The Bolt,machine, cataloged under National Stock Number 5306-00-021-4261, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-021-4261 |
| Primary Part Number | 214261 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Fastener Length | 1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN |
| Head Height | 0.438 INCHES MINIMUM AND 0.458 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Features Provided | UNFINISHED HEAD |
| Thread Quantity Per Inch | 16 |
| Thread Series Designator | UNF |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Thread Length | 1.750 INCHES MINIMUM AND 1.938 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 130000 POUNDS PER SQUARE INCH LBS |
| Locking Feature | DISTORTIONS BEARING SURFACE OF HEAD |
| Hardness Rating | 302.0 BRINELL STANDARD MINIMUM AND 351.0 BRINELL STANDARD MAXIMUM OVERALL |
| Material | STEEL OVERALL |
| Width Between Flats | 0.985 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Head Style | HEXAGON |
| Thread Class | 2A A |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5306-00-021-4261 is a Bolt,machine, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5306 (No Item Name Available). Status: active.
NSN 5306-00-021-4261 has 3 cross-referenced part numbers: 214261 (General Motors Llc Dba General Motors Llc), 214261 (General Motors Corp), 214261 (Army Weapons Command Attn Amswe-Ree-S).
There are 2 known substitutes for 5306-00-021-4261: 4730-00-277-7133, 5995-01-134-0829. Verify interchangeability with system specifications before substitution.
Key specifications for 214261: Fastener Length: 1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN; Head Height: 0.438 INCHES MINIMUM AND 0.458 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND; Features Provided: UNFINISHED HEAD. 18 total characteristics are documented in the Federal Logistics Information System.