The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-628-4949, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army. Government technical data includes 10 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-628-4949 |
| Primary Part Number | MS21042-4 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army |
| Status | ACTIVE |
| Washer Thickness | 0.019 INCHES MINIMUM IN |
| Thread Quantity Per Inch | 28 |
| Nut Style | HEXAGON |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Width Across Flats | 0.304 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN |
| Washer Outside Diameter | 0.420 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-01-628-4949 is a Nut,self-Locking,extended Washer, manufactured by Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-628-4949 has 2 cross-referenced part numbers: NASM21042 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MS21042-4 (Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army).
There are 3 known substitutes for 5310-01-628-4949: 5310-00-807-1468, 5310-00-807-1473, 5310-01-497-8362. Verify interchangeability with system specifications before substitution.
Key specifications for MS21042-4: Washer Thickness: 0.019 INCHES MINIMUM IN; End Item Identification: 4910-01-539-6129; Thread Quantity Per Inch: 28; Part Name Assigned by Controlling Agency: NUT, SELF LOCKING. 13 total characteristics are documented in the Federal Logistics Information System.