The Bolt,square Neck, cataloged under National Stock Number 5306-00-012-6759, 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 Corp. Government technical data includes 20 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5306-00-012-6759 |
| Primary Part Number | 126759 |
| Item Name | Bolt,square Neck |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | General Motors Corp |
| Status | CANCELLED |
| Thread Quantity Per Inch | 14 |
| Minimum Tensile Strength | 55000 POUNDS PER SQUARE INCH LBS |
| Fastener Length | 3.500 INCHES NOMINAL IN |
| Minimum Yield Strength | 40000 POUNDS PER SQUARE INCH LBS |
| Material Document and Classification | GM 255M,GENERAL MOTORS CORP MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Neck Length | 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | 4252-M FSCM 24617 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Nondefinitive Spec/std Data | C-2 TYPE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Material | STEEL OVERALL |
| Surface Treatment | CADMIUM AND ZINC OVERALL |
| Neck Width | 0.431 INCHES MINIMUM AND 0.452 INCHES MAXIMUM IN |
| Head Style | BUTTON |
| Thread Length | 1.125 INCHES MINIMUM IN |
| Head Height | 0.219 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN |
| Hardness Rating | 95.0 ROCKWELL B MAXIMUM OVERALL |
| Thread Direction | RIGHT-HAND |
| Head Diameter | 0.907 INCHES MINIMUM AND 0.969 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Nominal Thread Diameter | 0.060 INCHES IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 5306-00-012-6759 is a Bolt,square Neck, manufactured by General Motors Corp, classified under FSC 5306 (No Item Name Available). Status: cancelled.
NSN 5306-00-012-6759 has 2 cross-referenced part numbers: 126759 (General Motors Corp), 126759 (General Motors Corp Chevrolet-Pontiac-Canada Group).
There are 4 known substitutes for 5306-00-012-6759: 5306-00-059-1261, 5340-00-362-6763, 3930-00-932-2157 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 126759: Thread Quantity Per Inch: 14; Minimum Tensile Strength: 55000 POUNDS PER SQUARE INCH LBS; Fastener Length: 3.500 INCHES NOMINAL IN; Minimum Yield Strength: 40000 POUNDS PER SQUARE INCH LBS. 20 total characteristics are documented in the Federal Logistics Information System.
NSN 5306-00-012-6759 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.