The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-00-877-9298, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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 | 5310-00-877-9298 |
| Primary Part Number | MS21042-06 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Temp Rating | 500.0 FAHRENHEIT NOMINAL DEGF |
| Washer Outside Diameter | 0.214 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.138 INCHES IN |
| Width Across Flats | 0.181 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Washer Thickness | 0.010 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 32 |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material | STEEL OVERALL |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3B |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS21042-06 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 721009664400 | Leonardo Spa Divisione Sistemi Di Difesa (ITA) |
NSN 5310-00-877-9298 is a Nut,self-Locking,extended Washer, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-877-9298 has 2 cross-referenced part numbers: MS21042-06 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 721009664400 (Leonardo Spa Divisione Sistemi Di Difesa).
There is 1 known substitute for 5310-00-877-9298: 5310-00-807-1465. Verify interchangeability with system specifications before substitution.
Key specifications for MS21042-06: Temp Rating: 500.0 FAHRENHEIT NOMINAL DEGF; Washer Outside Diameter: 0.214 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN; Nominal Thread Size: 0.138 INCHES IN; Width Across Flats: 0.181 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN. 14 total characteristics are documented in the Federal Logistics Information System.