The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-449-2378, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-449-2378 |
| Primary Part Number | MS21245L8 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use |
| Status | CANCELLED |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hardness Rating | 46.0 ROCKWELL C MAXIMUM |
| Surface Treatment | CADMIUM OVERALL |
| Bearing Surface Finish | 125.0 MICROINCHES |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Temp Rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| Material | STEEL OVERALL |
| Thread Class | 3B |
| Thread Direction | RIGHT-HAND |
| Lubrication | DRY FILM LUBRICANT |
| Nut Style | HEXAGON |
| Thread Quantity Per Inch | 20 |
| Width Across Flats | 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Nominal Thread Size | 0.500 INCHES IN |
| Nut Height | 0.328 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| LH7644-080 | Harvard Industries Inc (USA) |
| 5310004492378 | E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| H10E8 | Howmet Global Fastening Systems Inc (USA) |
| NASM21245 | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| MS21245L8 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 10172712 | Nimikkeistokeskus Ncb Finland (FIN) |
| MS21245L8 PRIMARY | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| 5310PL1016796 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| RMLH7644-080 | Harvard Industries Inc (USA) |
NSN 5310-00-449-2378 is a Nut,self-Locking,hexagon, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-449-2378 has 9 cross-referenced part numbers: LH7644-080 (Harvard Industries Inc), 5310004492378 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee), H10E8 (Howmet Global Fastening Systems Inc), NASM21245 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MS21245L8 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 4 more.
There is 1 known substitute for 5310-00-449-2378: 5310-00-616-5997. Verify interchangeability with system specifications before substitution.
Key specifications for MS21245L8: Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Hardness Rating: 46.0 ROCKWELL C MAXIMUM; Surface Treatment: CADMIUM OVERALL; Bearing Surface Finish: 125.0 MICROINCHES. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-449-2378 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.