PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS35355-127Bolt,machine

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5306-00-018-6682 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-018-6682 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-018-6682. Primary manufacturer part number: MS35355-127.
Features
  • Bolt,machine — FSC 5306
  • Thread Length: 1.250 INCHES MINIMUM IN
  • Thread Class: 2A A
  • Grip Length: 0.750 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 13
  • Hardness Rating: 95.0 ROCKWELL B MAXIMUM 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
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-018-6682, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN5306-00-018-6682
Primary Part NumberMS35355-127
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Thread Length1.250 INCHES MINIMUM IN
Thread Class2A A
Grip Length0.750 INCHES NOMINAL IN
Thread Quantity Per Inch13
Hardness Rating95.0 ROCKWELL B MAXIMUM 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
Features ProvidedUNFINISHED HEAD
Thread DirectionRIGHT-HAND
MaterialSTEEL OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Material Document and ClassificationFF-B-575,GR 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Fastener Length2.000 INCHES NOMINAL IN
Nondefinitive Spec/std Data1 TYPE AND 1 GRADE
Nominal Thread Diameter0.500 INCHES IN
Head StyleSQUARE
Minimum Tensile Strength55000 POUNDS PER SQUARE INCH LBS
Width Between Flats0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Head Height0.308 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5306-00-010-2484 (102484)
HAZMATNo
Verified Substitutes 12
5306-00-010-2484102484 SUCCESSOR
Bolt,machine
General Motors Llc Dba General Motors Llc
Bolt,machine
5306-00-010-9177109177 SUCCESSOR
Bolt,machine
General Motors Llc Dba General Motors Llc
Bolt,machine
Bolt,machine
Bolt,machine
5306-00-019-0882190882 SUCCESSOR
Bolt,machine
General Motors Llc Dba General Motors Llc
Bolt,machine
Bolt,machine
5306-00-042-6921426921 SUCCESSOR
Bolt,machine
General Motors Llc Dba General Motors Llc
Cross-Reference Index
Part NumberManufacturer
MS35355-127 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
FF-B-575 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
186682 General Motors Corp (USA)
FF-B-575 TY1 General Services Administration Federal Supply Service (USA)
K1628 Amca Intl Corp Insley Mfg Corp Div (USA)
Related Parts
SUCCESSOR 5306-00-010-2484 Bolt,machine · 102484
5306-00-010-2495SUCCESSOR
BOLT,MACHINE
5306-00-010-9177SUCCESSOR
BOLT,MACHINE
109177
5306-00-010-9191SUCCESSOR
BOLT,MACHINE
5306-00-013-1286SUCCESSOR
BOLT,MACHINE
5306-00-018-7532SUCCESSOR
BOLT,MACHINE
5306-00-019-0882SUCCESSOR
BOLT,MACHINE
190882
5306-00-021-7840SUCCESSOR
BOLT,MACHINE
5306-00-021-8057SUCCESSOR
BOLT,MACHINE
5306-00-042-6921SUCCESSOR
BOLT,MACHINE
426921
5306-00-042-6924SUCCESSOR
BOLT,MACHINE
5306-00-042-6926SUCCESSOR
BOLT,MACHINE

Frequently Asked Questions

What is NSN 5306-00-018-6682?

NSN 5306-00-018-6682 is a Bolt,machine, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-018-6682?

NSN 5306-00-018-6682 has 5 cross-referenced part numbers: MS35355-127 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), FF-B-575 (Federal Specifications Promulgated by General Services Administration Washington DC), 186682 (General Motors Corp), FF-B-575 TY1 (General Services Administration Federal Supply Service), K1628 (Amca Intl Corp Insley Mfg Corp Div).

What NSN replaces 5306-00-018-6682?

There are 12 known substitutes for 5306-00-018-6682: 5306-00-010-2484, 5306-00-010-2495, 5306-00-010-9177 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS35355-127?

Key specifications for MS35355-127: Thread Length: 1.250 INCHES MINIMUM IN; Thread Class: 2A A; Grip Length: 0.750 INCHES NOMINAL IN; Thread Quantity Per Inch: 13. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-018-6682 still in active supply?

NSN 5306-00-018-6682 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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