The Breechblock, cataloged under National Stock Number 1005-01-645-3423, is classified within Federal Supply Class 1005 (No Item Name Available) of the Weapons group. The primary manufacturer of record is Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1005-01-645-3423 |
| Primary Part Number | 12576 |
| Item Name | Breechblock |
| FSC / FSG | 1005 / 10 — No Item Name Available |
| Manufacturer | Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc |
| Status | ACTIVE |
| Operational Direction | HORIZONTAL |
| Breechblock Type | SLIDING WEDGE |
| Size Designation | .50 CALIBER |
| Model Number | M-95SP |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 12576 PRIMARY | Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc (USA) |
NSN 1005-01-645-3423 is a Breechblock, manufactured by Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc, classified under FSC 1005 (No Item Name Available). Status: active.
NSN 1005-01-645-3423 has 1 cross-referenced part number: 12576 (Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc).
There are 6 known substitutes for 1005-01-645-3423: 6145-01-053-9901, 3610-01-064-5305, 5330-01-119-7160 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 12576: Operational Direction: HORIZONTAL; Part Name Assigned by Controlling Agency: BOLT COMPLETE; Breechblock Type: SLIDING WEDGE; End Item Identification: M-95SP MK II. 7 total characteristics are documented in the Federal Logistics Information System.