The Helmet,combat Vehicle Crewman's, cataloged under National Stock Number 8415-01-654-0518, is classified within Federal Supply Class 8415 (Clothing, Special Purpose) of the Clothing, Individual Equipment, and Insignia group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 8415-01-654-0518 |
| Primary Part Number | 8430478-007 |
| Item Name | Helmet,combat Vehicle Crewman's |
| FSC / FSG | 8415 / 84 — Clothing, Special Purpose |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Garment Size | X-LARGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8430478-007 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 14127-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 8415-01-654-0518 is a Helmet,combat Vehicle Crewman's, manufactured by Naval Sea Systems Command, classified under FSC 8415, Clothing, Special Purpose. Status: active.
NSN 8415-01-654-0518 has 1 manufacturer part number on file: 8430478-007 (Naval Sea Systems Command).
Key specifications for 8430478-007: Garment Size: X-LARGE; Special Features: HGU-56/P HELMETCXCYGHGU-56/P HELMET, NIGHT VISION AGENCY GOGGLES AND INTERNAL COMMUNICATION SYSTEMS; Part Name Assigned by Controlling Agency: HGU-56/P HELMET, NIGHT VISION GOGGLES AND INTERNAL COMMUNICATION SYSTEMS. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 8415-01-654-0518 has DEMIL Code C. 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.