The Lens and Lock Assembly,outer, cataloged under National Stock Number 8475-00-766-5622, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 8475-00-766-5622 |
| Primary Part Number | 75C2921 |
| Item Name | Lens and Lock Assembly,outer |
| FSC / FSG | 8475 / 84 — Specialized Flight Clothing and Accessories |
| Manufacturer | Gentex Corp |
| Status | ACTIVE |
| General Characteristics Item Description | PART OF LENS,VISOR ASSEMBLY PART NUMBER 561-630,USED ON FLYING HELMETS PART NUMBER HGU2AP AND HGU26P |
| Procurement Group Code | 28026 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 75C2921 | Gentex Corp (USA) |
| Reference | Meaning |
|---|---|
| 561-625-4 | 5/2 Secondary reference U.S. Government activity |
| 561-636 | 3/9 Design control — primary reference Avox Systems Inc Dba Avox Systems Inc |
NSN 8475-00-766-5622 is a Lens and Lock Assembly,outer, manufactured by Gentex Corp, classified under FSC 8475, Specialized Flight Clothing and Accessories. Status: active.
NSN 8475-00-766-5622 has 1 manufacturer part number on file: 75C2921 (Gentex Corp).
Key specifications for 75C2921: General Characteristics Item Description: PART OF LENS,VISOR ASSEMBLY PART NUMBER 561-630,USED ON FLYING HELMETS PART NUMBER HGU2AP AND HGU26P; Procurement Group Code: 28026. 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 8475-00-766-5622 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.