The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-050-3267, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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 | 5310-00-050-3267 |
| Primary Part Number | BBSX2AA1 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Status | ACTIVE |
| Thread Class | 3B |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Quantity Per Inch | 20 |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material | STEEL OVERALL |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN AND DOWEL PIN |
| Width Across Flats | 0.500 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Nut Height | 0.375 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Material Document and Classification | QQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-00-050-3267 is a Nut,self-Locking,hexagon, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-050-3267 has 4 cross-referenced part numbers: BBSX2AA1, P420 (Bae Systems Land & Armaments L.p.), P420 (Fmc Corp), 503267 (Army Weapons Command Attn Amswe-Ree-S).
There are 3 known substitutes for 5310-00-050-3267: 1005-00-319-8521, 4320-00-776-7180, 2930-00-905-5952. Verify interchangeability with system specifications before substitution.
Key specifications for BBSX2AA1: Thread Class: 3B; Nominal Thread Size: 0.250 INCHES IN; Thread Quantity Per Inch: 20; Thread Series: UNIFIED NATIONAL COARSE (UNC). 12 total characteristics are documented in the Federal Logistics Information System.