The Lens,visor,flying Helmet,anti-G,, cataloged under National Stock Number 8475-01-141-5918, is classified within Federal Supply Class 8475 (Specialized Flight Clothing and Accessories) of the Clothing, Individual Equipment, and Insignia group. The manufacturer of record is Gentex Corp. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 8475-01-141-5918 |
| Primary Part Number | 79D4684-3 |
| Item Name | Lens,visor,flying Helmet,anti-G, |
| FSC / FSG | 8475 / 84 — Specialized Flight Clothing and Accessories |
| Manufacturer | Gentex Corp |
| Status | ACTIVE |
| General Characteristics Item Description | CLEAR LENS WHICH ARE INTENDED FOR NIGHT MISSIONS; THESE LENSES ARE SUITABLE FOR USE WITH THE MBU-5/P OXYGEN MASK |
| Procurement Group Code | 91303 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 79D4684-3 PRIMARY | Gentex Corp (USA) |
| Reference | Meaning |
|---|---|
| MIL-V-43511 | 4/1 Identification reference U.S. Government activity |
| 79D4684-1 | 5/9 Secondary reference Gentex Corp |
NSN 8475-01-141-5918 is a Lens,visor,flying Helmet,anti-G,, manufactured by Gentex Corp, classified under FSC 8475, Specialized Flight Clothing and Accessories. Status: active.
NSN 8475-01-141-5918 has 1 manufacturer part number on file: 79D4684-3 (Gentex Corp).
2 possible matches (shared part number, not a government interchangeability claim): 8475-01-142-9184, 8475-01-379-2667. Verify interchangeability with system specifications before substitution.
Key specifications for 79D4684-3: General Characteristics Item Description: CLEAR LENS WHICH ARE INTENDED FOR NIGHT MISSIONS; THESE LENSES ARE SUITABLE FOR USE WITH THE MBU-5/P OXYGEN MASK; Procurement Group Code: 91303; End Item Identification: HGU-55/P HELMET. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 8475-01-141-5918 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.