PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS35751-209Bolt,square Neck

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5306-01-460-3083 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-01-460-3083 — this item is cataloged by the U.S. Government under National Stock Number 5306-01-460-3083. Primary manufacturer part number: MS35751-209.
Features
  • Bolt,square Neck — FSC 5306
  • Fastener Length: 4.150 INCHES MINIMUM AND 4.330 INCHES MAXIMUM IN
  • Minimum Tensile Strength: 60000 POUNDS PER SQUARE INCH LBS
  • Surface Treatment Document and Classification: QQ-P-416 TY 2 CL 3 FED SPEC 1ST TREATMENT RESPONSE OR MIL-C-81562 TY 2 CL 3 MIL SPEC 1ST TREATMENT RESPONSE OR ASTM B633 TY 2 CL FE/ZN5 ASSN STD 2ND TREATMENT RESPONSE OR MIL-C-81562 TY 2 CL 3 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
  • Neck Length: 0.250 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
  • Head Diameter: 1.032 INCHES MINIMUM AND 1.094 INCHES MAXIMUM IN
  • Head Height: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.500 INCHES 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 5306-01-460-3083, 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 12 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-01-460-3083
Primary Part NumberMS35751-209
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
StatusACTIVE
Fastener Length4.150 INCHES MINIMUM AND 4.330 INCHES MAXIMUM IN
Minimum Tensile Strength60000 POUNDS PER SQUARE INCH LBS
Surface Treatment Document and ClassificationQQ-P-416 TY 2 CL 3 FED SPEC 1ST TREATMENT RESPONSE OR MIL-C-81562 TY 2 CL 3 MIL SPEC 1ST TREATMENT RESPONSE OR ASTM B633 TY 2 CL FE/ZN5 ASSN STD 2ND TREATMENT RESPONSE OR MIL-C-81562 TY 2 CL 3 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
Neck Length0.250 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
Head Diameter1.032 INCHES MINIMUM AND 1.094 INCHES MAXIMUM IN
Head Height0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Nominal Thread Diameter0.500 INCHES IN
Surface TreatmentCADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL
Neck Width0.492 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
Material Document and ClassificationASTM A307 GR A ASSN STD SINGLE MATERIAL RESPONSE OR SAE J429 GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL OVERALL
Head StyleBUTTON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5306-00-078-9696240144 SUCCESSOR
Bolt,square Neck
Hillman Group, Inc., the
Bolt,square Neck
Bolt,square Neck
Bolt,square Neck
5306-00-903-8593240054 SUCCESSOR
Bolt,square Neck
Hillman Group, Inc., the
5305-01-062-559413211E3106-2 INTERCHANGEABLE
Screw,machine
Cecom Lr Center
5306-01-656-67132-CB-25C-75 INTERCHANGEABLE
Bolt,square Neck
Star Stainless Screw Co
Cross-Reference Index
Part NumberManufacturer
MS35751-209 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS35751-209 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
ANSI B18.5 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
Related Parts
5306-00-078-9696SUCCESSOR
BOLT,SQUARE NECK
240144
5306-00-089-0174SUCCESSOR
BOLT,SQUARE NECK
5306-00-089-0176SUCCESSOR
BOLT,SQUARE NECK
5306-00-265-0782SUCCESSOR
BOLT,SQUARE NECK
5306-00-903-8593SUCCESSOR
BOLT,SQUARE NECK
240054
5305-01-062-5594INTERCHANGEABLE
SCREW,MACHINE
13211E3106-2
5306-01-656-6713INTERCHANGEABLE
BOLT,SQUARE NECK
2-CB-25C-75

Frequently Asked Questions

What is NSN 5306-01-460-3083?

NSN 5306-01-460-3083 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: active.

What are the part numbers for NSN 5306-01-460-3083?

NSN 5306-01-460-3083 has 3 cross-referenced part numbers: MS35751-209 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS35751-209 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), ANSI B18.5 (American National Standards Institute Incorporated Dba American National Standards Institute).

What NSN replaces 5306-01-460-3083?

There are 7 known substitutes for 5306-01-460-3083: 5306-00-078-9696, 5306-00-089-0174, 5306-00-089-0176 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS35751-209?

Key specifications for MS35751-209: Fastener Length: 4.150 INCHES MINIMUM AND 4.330 INCHES MAXIMUM IN; Minimum Tensile Strength: 60000 POUNDS PER SQUARE INCH LBS; Surface Treatment Document and Classification: QQ-P-416 TY 2 CL 3 FED SPEC 1ST TREATMENT RESPONSE OR MIL-C-81562 TY 2 CL 3 MIL SPEC 1ST TREATMENT RESPONSE OR ASTM B633 TY 2 CL FE/ZN5 ASSN STD 2ND TREATMENT RESPONSE OR MIL-C-81562 TY 2 CL 3 MIL SPEC 2ND TREATMENT RESPONSE OVERALL; Neck Length: 0.250 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN. 12 total characteristics are documented in the Federal Logistics Information System.

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