The Visor,flyer's Helmet, cataloged under National Stock Number 8475-01-537-1549, 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 O&s Aviation Srl. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 8475-01-537-1549 |
| Primary Part Number | 04D11873-3 |
| Item Name | Visor,flyer's Helmet |
| FSC / FSG | 8475 / 84 — Specialized Flight Clothing and Accessories |
| Manufacturer | O&s Aviation Srl |
| Status | ACTIVE |
| Procurement Group Code | 91738 |
| Size Sequence Indicator | 000 |
| 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 |
|---|---|
| 04D11873-3 | O&s Aviation Srl (ITA) |
| Reference | Meaning |
|---|---|
| 04D11873-3 | 3/2 Design control — primary reference U.S. Government activity |
| 8475PL2003607 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 8475-01-537-1549 is a Visor,flyer's Helmet, manufactured by O&s Aviation Srl, classified under FSC 8475, Specialized Flight Clothing and Accessories. Status: active.
NSN 8475-01-537-1549 has 1 manufacturer part number on file: 04D11873-3 (O&s Aviation Srl).
Key specifications for 04D11873-3: Procurement Group Code: 91738; Special Features: 15 PERCENT GRAY VISOR; NON LASER PROTECTIVE LENSES; DESIGNED FOR DAY MISSIONS (COMBAT EDGE); Size Sequence Indicator: 000. 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 8475-01-537-1549 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.