AB DEFENCE
Block, Bolt, Machine Gun – NSN 1005-00-857-0021
- SKU
- AB-3367
- NSN
- 1005-00-857-0021
- PN
- 7791382
AB DEFENCE
Product enquiry
Block, Bolt, Machine Gun – NSN 1005-00-857-0021
Product information
Block, Bolt, Machine Gun (NSN 1005-00-857-0021 (1005008570021)) for NATO Military Vehicle. Genuine NATO-standard military vehicle spare part supplied by AB Defence with full traceability and export compliance.
Technical Identification & NATO Cross-Reference Matrix
Block, Bolt, Machine Gun (NSN 1005-00-857-0021 (1005008570021)) is a defense-grade replacement component engineered for NATO Military Vehicle fleets and compatible military land platforms. Classified under Hydraulics & Mechanical Components (Hydraulics & Mechanical Components), this part meets strict dimensional, metallurgical, and environmental tolerances required for tactical field maintenance and depot-level overhaul programs.
| Technical Parameter | Specification & Reference Value |
|---|---|
| Component Nomenclature | Block, Bolt, Machine Gun |
| Primary Vehicle Platform | NATO Military Vehicle |
| Subsystem / Functional Group | Hydraulics & Mechanical Components |
| NATO Stock Number (Dashed) | 1005-00-857-0021 |
| NSN (13-Digit Unformatted) | 1005008570021 |
| NIIN (National Item ID Number) | 00-857-0021 / 008570021 |
| Federal Supply Class (FSC / FSG) | FSC 1005 (FSG 10) — Hydraulics & Mechanical Components |
| NCB Codification Country | 00 — United States (DLA / US DoD) |
| Cross-Reference Search Codes | 1005-00-857-0021, 1005008570021, NIIN 00-857-0021, NIIN 008570021 |
| Manufacturer / Platform Ecosystem | NATO Defense OEM |
| Quality & Traceability Standard | NATO STANAG / MIL-STD Compliant — Certificate of Conformity (CoC) & Batch Traceability |
Subsystem Engineering Role & Maintenance Protocol
- Functional Application: Engineered to sustain mission-critical reliability within Hydraulics & Mechanical Components assemblies under extreme thermal, mechanical, and cross-country vibration loads.
- Platform Integration: Specifically cross-referenced for NATO Military Vehicle maintenance schedules, ensuring direct fitment, interchangeability, and zero modification during unit replacement.
- Preventive Maintenance & Inspection: During scheduled periodic maintenance (PMCS) or subsystem overhaul, inspect mating interfaces, torque specifications, and fluid/electrical seals alongside adjacent Hydraulics & Mechanical Components assemblies to prevent cascading downtime.
Defense Procurement, Documentation & Global Export Supply
AB Defence supplies verified OEM and NATO-codified spare parts to Ministries of Defence, armed forces maintenance commands, and prime defense contractors worldwide. Every shipment of NSN 1005-00-857-0021 (1005008570021) is supported by controlled documentation, serial/lot traceability, military-grade protective packaging, and full export compliance. Explore our complete NATO Military Vehicle Spare Parts & Sustainment Coverage or submit a Request for Quotation (RFQ) using the form above.
