The Shell,subassembly,flyers Helmet, cataloged under National Stock Number 8475-01-446-2423, is classified within Federal Supply Class 8475 (Specialized Flight Clothing and Accessories) of the Clothing, Individual Equipment, and Insignia group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 8475-01-446-2423 |
| Item Name | Shell,subassembly,flyers Helmet |
| FSC / FSG | 8475 / 84 — Specialized Flight Clothing and Accessories |
| Status | ACTIVE |
| Procurement Group Code | 02519 |
| Color | GRAY/GREY |
| Material | PLASTIC |
| 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 |
| Reference | Meaning |
|---|---|
| 81D5331-20 | 3/2 Design control — primary reference U.S. Government activity |
| 81D5331-20 | 5/9 Secondary reference U.S. Government activity |
NSN 8475-01-446-2423 is a Shell,subassembly,flyers Helmet, classified under FSC 8475, Specialized Flight Clothing and Accessories. Status: active.
Key specifications for 8475-01-446-2423: Procurement Group Code: 02519; Color: GRAY/GREY; Special Features: HELMET SHELL SUBASSEMBLY; USED TOASSEMBLE THE 81D5330-8 LARGE, HGU-55/PLIGHTWEIGHT FLYERS HELMET; MADE FROM GRAPHITE FABRIC, CARBON FIBER YARN AND ARIMID FABRIC; SAME AS THE 81D5331-2 SHELL SUBASSEMBLY EXCEPT MATERIAL WEIGHT IS 345 GRAMS (0.75 LBS) LIGHTER LBS; Material: PLASTIC. 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.
NSN 8475-01-446-2423 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.