The Brake,muzzle, cataloged under National Stock Number 1005-01-666-4420, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is Brownells, Incorporated Dba Brownells Inc. Government technical data includes 2 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1005-01-666-4420 |
| Primary Part Number | 080-102-578 |
| Item Name | Brake,muzzle |
| FSC / FSG | 1005 / 10 — Guns, Through 30mm |
| Manufacturer | Brownells, Incorporated Dba Brownells Inc |
| Status | ACTIVE |
| Size Designation | .30 CALIBER |
| Weapon Size Designation | .30 CALIBER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 080-102-578 PRIMARY | Brownells, Incorporated Dba Brownells Inc (USA) |
NSN 1005-01-666-4420 is a Brake,muzzle, manufactured by Brownells, Incorporated Dba Brownells Inc, classified under FSC 1005, Guns, Through 30mm. Status: active.
NSN 1005-01-666-4420 has 1 manufacturer part number on file: 080-102-578 (Brownells, Incorporated Dba Brownells Inc).
Key specifications for 080-102-578: Overall Length: 1.0 INCHES NOMINAL IN; Size Designation: .30 CALIBER; Weapon Size Designation: .30 CALIBER; Part Name Assigned by Controlling Agency: AR .308 SHORT MUZZLE BRAK 30 CALIBER. 2 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 1005-01-666-4420 has DEMIL Code B. 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.