The Bolt,square Neck, cataloged under National Stock Number 5306-00-006-2269, 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 19 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 | 5306-00-006-2269 |
| Primary Part Number | MS35751-53 |
| 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 |
| Hardness Rating | 95.0 ROCKWELL B MAXIMUM OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Neck Width | 0.307 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Minimum Tensile Strength | 55000 POUNDS PER SQUARE INCH LBS |
| Material Document and Classification | ASTM-307 GRADE A ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Height | 0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Head Diameter | 0.688 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | BUTTON |
| Neck Length | 0.156 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Fastener Length | 3.969 INCHES MINIMUM AND 4.031 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Length | 0.875 INCHES MINIMUM IN |
| Nondefinitive Spec/std Data | 1 TYPE AND A STYLE |
| Material | STEEL OVERALL |
| Thread Quantity Per Inch | 18 |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS35751-53 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| FFB584 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| MS35751-53 PRIMARY | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
NSN 5306-00-006-2269 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 5306-00-006-2269 has 3 cross-referenced part numbers: MS35751-53 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), FFB584 (Federal Specifications Promulgated by General Services Administration Washington DC), MS35751-53 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).
There are 12 known substitutes for 5306-00-006-2269: 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 MS35751-53: Hardness Rating: 95.0 ROCKWELL B MAXIMUM OVERALL; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Neck Width: 0.307 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL. 19 total characteristics are documented in the Federal Logistics Information System.
NSN 5306-00-006-2269 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.