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AEP-4296
National Authorities and the contractors supplying them, procuring eye protection for individual soldiers under a nation's own tender documents
AEP-4296 sets NATO's minimum performance requirements, evaluation criteria and test methods for procuring eye protection (spectacles, goggles, visors) for the individual soldier, covered by STANAG 4296.
AEP-4296 is the NATO Allied Engineering Publication that sets minimum performance requirements, evaluation criteria and test methods for procuring eye protection for the individual soldier. Its own aim is "to provide guidance for the procurement of eye protection (e.g. spectacles, goggles, visors) intended to protect military users from injuries caused by hand gun munition, (small) fragments or spall and when necessary, environmental factors e.g. sand, dust, glare and sunlight." It covers spectacles, goggles and visors, plus a universal carrier for prescription lenses, and is meant to let "NATO nations to specify common performance levels for eye protection" so that procured systems reach "a NATO agreed minimum level of performance" and stay interoperable across nations. STANAG 4296 is the agreement that covers it, and the NSDD lists AEP-4296 as covered by that agreement: it is the STANAG that a nation implements, and the AEP that supplies the technical content behind it.
Laser eye protection, protection against nuclear flash, nuclear radiation, UV(C), X-rays or low-temperature infrared, and protection against gases or fine dust are explicitly outside its scope; laser protection is referred instead to STANAG 4495 and AEP-4495. The roles of explosive ordnance disposal and demining, aviation, CBRN, engineering and public order control are also excluded, as are face shields.
Coverage area follows EN 166 or ANSI/ISEA Z87.1, and a vented goggle must exclude "spherical objects 1.5 mm in diameter or greater." Ballistic protection applies to visor lenses: "The Vproof on the lens of a visor shall be at least 365 ± 10 m.s-1" against a 9 mm FMJ round, using a total of at least 22 fair shots on a helmet-mounted head form (clause 3.3). Fragment protection has three tiers, defined against F3/F5 or R3/R5 fragment-simulating projectiles from AEP-2920: low and medium energy both require a Vproof of at least 177 m/s, and the high energy tier, typically offered only by visors, requires at least 500 m/s (clause 3.4). Blunt impact, general impact, resistance to ignition, sunlight and glare filtering (against EN 172 classes), dust and droplet protection for goggles, and blast resistance each carry their own clause and test method in Chapter 3.
Usability requirements fix field of view at "≥ 85°" temporal, "≥ 45o" superior and "≥ 55o" inferior and nasal (clause 4.2), measured by the method in AEP-73; weight at 45 grams for low-energy-fragment spectacles and 150 grams for the equivalent goggle (clause 4.3); sizing to fit at least 95% of the specified user group (clause 4.4); and fogging resistance of "a minimum of 8 s" (clause 4.9.1). Lens exchange and donning/doffing must work without tools and without removing helmet or gloves (clauses 4.6, 4.8).
Optical quality and durability criteria, luminous transmittance, haze, refractive power, scratch and abrasion resistance, coating adhesion, corrosion, thermal stability, UV resistance and chemical resistance to lubricants, are set out in tables against EN 166/167/168 clauses in Chapters 6 and 7, each with an ANSI/ASTM alternative test method. Frames come in defined military colours (Black 357, Tan 499, Foliage Green 504, Coyote Brown, Dark Grey), preferably matte (clause 5.2), and detectability is checked with a Field User Trial minimum score of 3 (clause 5.1).
A universal RX carrier for prescription lenses "must be available for use with prescription lenses in the range of ± 8 dioptres" (clause 8.2.a), must seat with a pantoscopic tilt of 15 degrees or less (a negative tilt is not acceptable), must be replaceable, and must not create gaps in fragment or ballistic protection (clause 8.2.b-d). Chapter 9 requires the eye protection to work alongside the combat helmet, issued weapons systems (achieving a sight picture "without any impediment"), night vision devices (a 25 mm eye-relief distance offered as a guideline, clause 9.4), and in-ear or on-ear communication and hearing protection, without affecting their seal.
Materials in contact with the wearer must not cause skin irritation, and known human carcinogens are barred from manufacture or cleaning agents (clause 10.2). Lenses and visors carry an operational life of "at least 6 months" and frames "at least one year" (clause 12.1), both with a minimum storage life of three years, and the user must be able to replace lenses without tools (clause 12.2.a). Frame and lens marking, a waterproof instruction card, and technical documentation, design description, performance criteria, part numbers and NATO Stock Numbers, are required deliverables (clauses 13.1-13.2, 14.1-14.2), and a National Authority can add its own marking or material requirements in its tender documents.
The test facility must hold, and produce on request, calibration certification and proof of accreditation, and its test report must record how many samples were tested and how many failed against each requirement (Chapter 15). "In order to validate compliance of the eye protection to the requirements stated below the NA may set-up a Field User Evaluation" (clause 16.1.a): representative soldiers rate fit, comfort, fogging resistance and compatibility with helmet, weapons, night vision, communications and hearing protection during realistic tasks, including "highly dynamic movements (low crawling, jumping, running, etc.)".
AEP-4296 is published by NATO and listed free of charge in the NATO Standardization Document Database. NATO's documents are not sold by ComplyTrain and we host no copies of them.
AEP-4296 is an operational and technical standard, not a management system: meeting a Vproof threshold, an operational-life figure or a marking requirement is design, manufacturing and test work, not something software performs. ComplyTrain helps a programme hold the procedure that tells a design and test team which clause and which civil test-method track (EN or ANSI/ASTM) a given requirement follows, the test reports and calibration records a National Authority's evaluation would ask to see, the technical documentation and instruction-card content Chapter 14 requires, and the training and evidence trail behind a Field User Evaluation where the NA runs one.
ComplyTrain does not fire a ballistic test, run a Field User Evaluation, calibrate test equipment, or manufacture eye protection. That work happens at the test facility and on the range, not in a compliance platform.
Which of AEP-4296's requirements a given procurement actually has to meet is set by the contract and the National Authority's own tender documents, not by this page. See the standards explorer for what sits alongside AEP-4296 in the catalogue, and talk to us about the evidence trail behind it.
Tell us how you need to work with AEP-4296 and what you need from it. We will come back to you about what ComplyTrain can do.
Thank you. Your list is on its way to your inbox, and we will come back to you on what working with these standards in ComplyTrain involves, usually within one business day.
Not by itself. AEP-4296 is covered by STANAG 4296, the agreement nations commit to; a supplier meets it because a contract or tender invokes it, in the same way the document itself says a National Authority's extra requirements are "specified by the NA in tender documents." Whether it applies to a given procurement is a question for that tender, not for the document in the abstract.
No such certification exists. AEP-4296 names no accredited body, notified body, or audit scheme. Compliance is validated by the procuring National Authority itself, through contractor test reports and, where the NA sets one up, a Field User Evaluation, not by a certificate a supplier holds independently.
For a visor lens, "The Vproof on the lens of a visor shall be at least 365 ± 10 m.s-1" against a 9 mm FMJ round. For fragment protection, low and medium energy levels require a Vproof of at least 177 m/s, and the high energy level, typically offered only by visors, requires at least 500 m/s. Each figure is tested using the method in AEP-2920.
It does not cover it. AEP-4296 states that laser radiation protection requirements "are to be derived from STANAG 4495 Ed.2", so laser eye protection for individual military users is a separate procurement track under AEP-4495 and STANAG 4495.
From the NATO Standardization Document Database, which lists it free of charge. NATO's documents are not sold by ComplyTrain and we do not host copies of them.
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