The Crown,service Hat, cataloged under National Stock Number 8410-01-305-6979, is classified within Federal Supply Class 8410 (Outerwear, Women's) of the Clothing, Individual Equipment, and Insignia group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 8410-01-305-6979 |
| Item Name | Crown,service Hat |
| FSC / FSG | 8410 / 84 — Outerwear, Women's |
| Status | ACTIVE |
| Garment Size | 20-1/2 |
| Headwear Attachment Method | BUTTON |
| Departure From Cited Designator | AS MODIFIED BY ITEM NAME |
| Nondefinitive Spec/std Data | IV TYPE |
| Procurement Group Code | 02102 |
| Color | WHITE, US NAVY, 3053 MAIN BODY |
| Fiber Material | COTTON AND POLYESTER MAIN BODY |
| User Designator | WOMAN |
| Cloth-Fabric Name | TWILL MAIN BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MIL-H-15505K | 4/1 Identification reference U.S. Government activity |
NSN 8410-01-305-6979 is a Crown,service Hat, classified under FSC 8410, Outerwear, Women's. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 8410-01-305-6980, 8410-01-305-6981. Verify interchangeability with system specifications before substitution.
Key specifications for 8410-01-305-6979: Garment Size: 20-1/2; Headwear Attachment Method: BUTTON; Departure From Cited Designator: AS MODIFIED BY ITEM NAME; Nondefinitive Spec/std Data: IV TYPE. 9 specifications are 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.
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.