The Shell Assembly,helmet, cataloged under National Stock Number 8475-01-253-7226, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 8475-01-253-7226 |
| Primary Part Number | 954AS300-22 |
| Item Name | Shell Assembly,helmet |
| FSC / FSG | 8475 / 84 — Specialized Flight Clothing and Accessories |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 954AS300-22 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 954AS300-12 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| MIL-H-85047 | 4/1 Identification reference U.S. Government activity |
NSN 8475-01-253-7226 is a Shell Assembly,helmet, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 8475, Specialized Flight Clothing and Accessories. Status: active.
NSN 8475-01-253-7226 has 2 manufacturer part numbers on file: 954AS300-22 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 954AS300-12 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 954AS300-22: End Item Identification: SAFETY AND SURVIVAL MATERIAL. 0 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 8475-01-253-7226 has DEMIL Code B. 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.