The Helmet,nape Retention System, cataloged under National Stock Number 8470-01-644-2149, is classified within Federal Supply Class 8470 (Armor, Personal) of the Clothing, Individual Equipment, and Insignia group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 8470-01-644-2149 |
| Item Name | Helmet,nape Retention System |
| FSC / FSG | 8470 / 84 — Armor, Personal |
| Status | ACTIVE |
| Color | TAN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| AR/PD 12-01 | 3/1 Design control — primary reference U.S. Government activity |
NSN 8470-01-644-2149 is a Helmet,nape Retention System, classified under FSC 8470, Armor, Personal. Status: active.
Key specifications for 8470-01-644-2149: Color: TAN; Special Features: ADVANCED COMBAT HELMET (ACH/ECH) IMPROVED RETENTION SYSTEM LEFT HANDED WITH ATTACHMENT HARDWARE; Part Name Assigned by Controlling Agency: HELMET,NAPE RETENTION SYSTEM,LEFT HAND. 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.
NSN 8470-01-644-2149 has DEMIL Code D. 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.