The Visor,flyer's Helmet, cataloged under National Stock Number 8475-00-852-0811, 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 Avox Systems Inc Dba Avox Systems Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 8475-00-852-0811 |
| Primary Part Number | 561-409-1 |
| Item Name | Visor,flyer's Helmet |
| FSC / FSG | 8475 / 84 — Specialized Flight Clothing and Accessories |
| Manufacturer | Avox Systems Inc Dba Avox Systems Inc |
| Status | ACTIVE |
| Mounting Method | BY INSERTING GUIDES IN TRACKS ON HELMET SHELL AND INSERTING VISOR LOCK STEM IN KEYHOLE OPENING IN TOP OF VISOR |
| Color | GRAY/GREY |
| Material | PLASTIC LOCATION NOT OTHERWISE SPECIFIED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| TMC12-0102-2 | Astro-Technik Gmbh (DEU) |
| 561-409-1 PRIMARY | Avox Systems Inc Dba Avox Systems Inc (USA) |
NSN 8475-00-852-0811 is a Visor,flyer's Helmet, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 8475, Specialized Flight Clothing and Accessories. Status: active.
NSN 8475-00-852-0811 has 2 manufacturer part numbers on file: TMC12-0102-2 (Astro-Technik Gmbh), 561-409-1 (Avox Systems Inc Dba Avox Systems Inc).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-528-6357. Verify interchangeability with system specifications before substitution.
Key specifications for 561-409-1: Mounting Method: BY INSERTING GUIDES IN TRACKS ON HELMET SHELL AND INSERTING VISOR LOCK STEM IN KEYHOLE OPENING IN TOP OF VISOR; Color: GRAY/GREY; Material: PLASTIC LOCATION NOT OTHERWISE SPECIFIED. 3 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.
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.