The Bolt,square Neck, cataloged under National Stock Number 5306-00-012-6662, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aerospace Industries Association of America Inc. Government technical data includes 15 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5306-00-012-6662 |
| Primary Part Number | NASM35751 |
| Item Name | Bolt,square Neck |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Aerospace Industries Association of America Inc |
| Status | CANCELLED |
| Material | STEEL OVERALL |
| Minimum Tensile Strength | 55000 POUNDS PER SQUARE INCH LBS |
| Head Height | 0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN |
| Neck Length | 0.156 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Thread Length | 0.875 INCHES MINIMUM IN |
| Thread Quantity Per Inch | 18 |
| Minimum Yield Strength | 40000 POUNDS PER SQUARE INCH LBS |
| Head Style | BUTTON |
| Thread Class | 2A A |
| Surface Treatment | ZINC OVERALL |
| Surface Treatment Document and Classification | ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Hardness Rating | 95.0 ROCKWELL B MAXIMUM OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Fastener Length | 3.000 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| Successor | 5306-00-268-2440 (MS35751-164) |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| NASM35751 | Aerospace Industries Association of America Inc |
| MS35751-49 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| ASME B18.5 | The American Society of Mechanical Engineers (USA) |
NSN 5306-00-012-6662 is a Bolt,square Neck, manufactured by Aerospace Industries Association of America Inc, classified under FSC 5306 (No Item Name Available). Status: cancelled.
NSN 5306-00-012-6662 has 3 cross-referenced part numbers: NASM35751 (Aerospace Industries Association of America Inc), MS35751-49 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), ASME B18.5 (The American Society of Mechanical Engineers).
There are 12 known substitutes for 5306-00-012-6662: 5306-00-268-2440, 5306-01-089-5673, 5306-00-012-0231 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for NASM35751: Material: STEEL OVERALL; Minimum Tensile Strength: 55000 POUNDS PER SQUARE INCH LBS; Head Height: 0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN; Neck Length: 0.156 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 5306-00-012-6662 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.