PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS35751-136Bolt,square Neck

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5306-00-089-1424 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-089-1424 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-089-1424. Primary manufacturer part number: MS35751-136.
Features
  • Bolt,square Neck — FSC 5306
  • Material Document and Classification: SAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • 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
  • Hardness Rating: 95.0 ROCKWELL B MAXIMUM OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Material: STEEL OVERALL
  • Fastener Length: 4.438 INCHES MINIMUM AND 4.562 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Bolt,square Neck, cataloged under National Stock Number 5306-00-089-1424, 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 18 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.

Technical Specifications
ParameterValue
NSN5306-00-089-1424
Primary Part NumberMS35751-136
Item NameBolt,square Neck
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Material Document and ClassificationSAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface Treatment Document and ClassificationQQ-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 TreatmentCADMIUM OR ZINC OVERALL
Hardness Rating95.0 ROCKWELL B MAXIMUM OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
MaterialSTEEL OVERALL
Fastener Length4.438 INCHES MINIMUM AND 4.562 INCHES MAXIMUM IN
Thread Length1.250 INCHES MINIMUM IN
Nominal Thread Diameter0.500 INCHES IN
Thread DirectionRIGHT-HAND
Head Height0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Thread Quantity Per Inch13
Head StyleBUTTON
Minimum Tensile Strength55000 POUNDS PER SQUARE INCH LBS
Head Diameter1.032 INCHES MINIMUM AND 1.094 INCHES MAXIMUM IN
Neck Width0.492 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
Thread Class2A A
Neck Length0.250 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5306-00-006-2269 (MS35751-53)
HAZMATNo
Verified Substitutes 12
5306-00-006-2269MS35751-53 SUCCESSOR
Bolt,square Neck
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Bolt,square Neck
5306-00-012-023121260 SUCCESSOR
Bolt,square Neck
Fastenal Company
5306-00-012-61984864282 ITEM 31 SUCCESSOR
Bolt,square Neck
Naval Ship Systems Command
Bolt,square Neck
Bolt,square Neck
Bolt,square Neck
Bolt,square Neck
Bolt,square Neck
Bolt,square Neck
Cross-Reference Index
Part NumberManufacturer
MS35751-136 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)
MS35751-136 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
SUCCESSOR 5306-00-006-2269 Bolt,square Neck · MS35751-53
5306-00-011-9430SUCCESSOR
BOLT,SQUARE NECK
5306-00-012-0231SUCCESSOR
BOLT,SQUARE NECK
21260
5306-00-012-6198SUCCESSOR
BOLT,SQUARE NECK
4864282 ITEM 31
5306-00-012-6373SUCCESSOR
BOLT,SQUARE NECK
5306-00-012-6638SUCCESSOR
BOLT,SQUARE NECK
5306-00-012-6652SUCCESSOR
BOLT,SQUARE NECK
5306-00-044-5623SUCCESSOR
BOLT,SQUARE NECK
5306-00-054-8024SUCCESSOR
BOLT,SQUARE NECK
5306-00-058-0518SUCCESSOR
BOLT,SQUARE NECK
5306-00-058-9259SUCCESSOR
BOLT,SQUARE NECK
MS35751-32
5306-00-089-0174SUCCESSOR
BOLT,SQUARE NECK

Frequently Asked Questions

What is NSN 5306-00-089-1424?

NSN 5306-00-089-1424 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.

What are the part numbers for NSN 5306-00-089-1424?

NSN 5306-00-089-1424 has 3 cross-referenced part numbers: MS35751-136 (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), MS35751-136 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5306-00-089-1424?

There are 12 known substitutes for 5306-00-089-1424: 5306-00-006-2269, 5306-00-011-9430, 5306-00-012-0231 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS35751-136?

Key specifications for MS35751-136: Material Document and Classification: SAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; 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; Hardness Rating: 95.0 ROCKWELL B MAXIMUM OVERALL. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-089-1424 still in active supply?

NSN 5306-00-089-1424 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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