The Bolt,square Neck, cataloged under National Stock Number 5306-00-058-9259, 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 | 5306-00-058-9259 |
| Primary Part Number | MS35751-32 |
| 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 |
| Thread Quantity Per Inch | 20 |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Surface Treatment Document and Classification | QQ-Z-325,TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OR MIL-C-81562,TYPE 2 CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.525 INCHES MINIMUM IN |
| Head Height | 0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| Head Style | BUTTON |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Minimum Tensile Strength | 60000 POUNDS PER SQUARE INCH LBS |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Hardness Rating | 95.0 ROCKWELL B MAXIMUM OVERALL |
| Material | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 384 OR STEEL COMP 385 OVERALL |
| Criticality Code Justification | SFTT |
| Thread Class | 2A A |
| Head Diameter | 0.563 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN |
| Neck Width | 0.245 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Fastener Length | 5.900 INCHES MINIMUM AND 6.060 INCHES MAXIMUM IN |
| Neck Length | 0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | 1 TYPE AND 1 CLASS AND A STYLE |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS35751-32 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MS35751-32 PRIMARY | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| FF-B-584 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5306-00-058-9259 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 5306-00-058-9259 has 3 cross-referenced part numbers: MS35751-32 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS35751-32 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), FF-B-584 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 12 known substitutes for 5306-00-058-9259: 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 MS35751-32: Thread Quantity Per Inch: 20; Surface Treatment: ZINC AND CHROMATE OVERALL; Surface Treatment Document and Classification: QQ-Z-325,TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OR MIL-C-81562,TYPE 2 CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.525 INCHES MINIMUM IN. 19 total characteristics are documented in the Federal Logistics Information System.
NSN 5306-00-058-9259 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.