The Sear, cataloged under National Stock Number 1005-00-550-4067, is classified within Federal Supply Class 1005 (No Item Name Available) of the Weapons group. The primary manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1005-00-550-4067 |
| Primary Part Number | 5504067 |
| Item Name | Sear |
| FSC / FSG | 1005 / 10 — No Item Name Available |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Mechanism Held | FIRING PIN |
| Material | STEEL COMP 4140H |
| Surface Treatment | PHOSPHATE |
| FSC Application Data | MACHINE GUN CAL..50 |
| Material Document and Classification | QQ-S-624, COMPOSITION 4140H FED SPEC SINGLE MATERIAL RESPONSE |
| Weapon Size Designation | .50 CALIBER |
| Metallic Hardness Rating | 62.0 MINIMUM ROCKWELL D AND 67.0 MAXIMUM ROCKWELL D |
| Weapon Model Number | M2 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 10074259 | Nimikkeistokeskus Ncb Finland (FIN) |
| 5504067 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
| A10197 | Fnh Uk Ltd (GBR) |
| 1005PL1646950 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 1005PL0953928 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 3662005048 | Fn Herstal Dba Fabrique Nationale Nouvelle Herstal (BEL) |
| 366-200-3782 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 10055504067 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 75F4036 | Giat Industries Centre De Tulle (FRA) |
| 201020004 | Samsun Yurt Sav.san. Ve Tic.a.s. (TUR) |
| 711662807901 | Ncb Hungary (honvedsegi Egyseges Termekkod) (HUN) |
| 1005005504067 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 366-200-5048 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 1005-00-550-4067 is a Sear, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 1005 (No Item Name Available). Status: active.
NSN 1005-00-550-4067 has 13 cross-referenced part numbers: 10074259 (Nimikkeistokeskus Ncb Finland), 5504067 (Army, United States Department of the Dba Rock Island Arsenal Jmtc), A10197 (Fnh Uk Ltd), 1005PL1646950 (Jednolity Indeks Materialowy - Uniform Material Index), 1005PL0953928 (Jednolity Indeks Materialowy - Uniform Material Index) and 8 more.
There is 1 known substitute for 1005-00-550-4067: 1005-00-500-9300. Verify interchangeability with system specifications before substitution.
Key specifications for 5504067: Mechanism Held: FIRING PIN; Overall Width: 0.609 INCHES MINIMUM AND 0.615 INCHES MAXIMUM IN; Overall Length: 1.645 INCHES MINIMUM AND 1.655 INCHES MAXIMUM IN; End Item Identification: 1005-322-9715 M2. 11 total characteristics are documented in the Federal Logistics Information System.