The Block Assembly,helmet, cataloged under National Stock Number 8475-01-398-6716, 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. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 8475-01-398-6716 |
| Primary Part Number | 3151AS130-1 |
| Item Name | Block 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 |
| Procurement Group Code | 25848 |
| 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 |
|---|---|
| 3151AS130-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 93A8556 | 3/2 Design control — primary reference U.S. Government activity |
NSN 8475-01-398-6716 is a Block 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 8475-01-398-6716 has 1 manufacturer part number on file: 3151AS130-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 3151AS130-1: Procurement Group Code: 25848; End Item Identification: AIRCRAFT MODEL SAFETY AND SURVIVAL. 1 specification is 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.