The Bolt,square Neck, cataloged under National Stock Number 5306-00-268-2440, is classified within Federal Supply Class 5306 (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 13 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5306-00-268-2440 |
| Primary Part Number | NASM35751 |
| Item Name | Bolt,square Neck |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use |
| Status | CANCELLED |
| Neck Width | 0.616 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN |
| Head Style | BUTTON |
| Hardness Rating | 95.0 ROCKWELL B MAXIMUM OVERALL |
| Material Document and Classification | SAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL OVERALL |
| Head Height | 0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Neck Length | 0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN |
| Fastener Length | 4.875 INCHES MINIMUM AND 5.125 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 55000 POUNDS PER SQUARE INCH LBS |
| Surface Treatment | CADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL |
| Head Diameter | 1.219 INCHES MINIMUM AND 1.344 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | 1 TYPE AND 1 CLASS AND B STYLE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS35751-164 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| NASM35751 PRIMARY | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| MS35751-164 PRIMARY | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| FFB584 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5306-00-268-2440 is a Bolt,square Neck, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5306 (No Item Name Available). Status: cancelled.
NSN 5306-00-268-2440 has 4 cross-referenced part numbers: MS35751-164 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), NASM35751 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MS35751-164 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), FFB584 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 12 known substitutes for 5306-00-268-2440: 5306-00-010-9115, 5306-00-012-0955, 5306-00-012-6227 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for NASM35751: Neck Width: 0.616 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN; Head Style: BUTTON; Hardness Rating: 95.0 ROCKWELL B MAXIMUM OVERALL; Material Document and Classification: SAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 5306-00-268-2440 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.