PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

65-7-20Bolt,machine

Air Force Standard · NSN 5306-00-174-9458 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-174-9458 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-174-9458. Primary manufacturer part number: 65-7-20.
Features
  • Bolt,machine — FSC 5306
  • Grip Length: 0.750 INCHES NOMINAL IN
  • Width Between Flats: 0.603 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 14
  • Fastener Length: 2.000 INCHES NOMINAL IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Surface Treatment Document and Classification: QQ-Z-325,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Thread Class: 2A A
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 5306-00-174-9458, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Air Force Standard. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN5306-00-174-9458
Primary Part Number65-7-20
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerAir Force Standard
StatusCANCELLED
Grip Length0.750 INCHES NOMINAL IN
Width Between Flats0.603 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
Thread Quantity Per Inch14
Fastener Length2.000 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Surface Treatment Document and ClassificationQQ-Z-325,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread Class2A A
Head Height0.281 INCHES NOMINAL IN
Head StyleHEXAGON
Hardness Rating100.0 ROCKWELL B NOMINAL OVERALL
Thread Length1.250 INCHES MINIMUM IN
Minimum Tensile Strength69000 POUNDS PER SQUARE INCH LBS
MaterialSTEEL OVERALL
Surface TreatmentZINC OVERALL
Thread DirectionRIGHT-HAND
Features ProvidedFINISHED HEAD
Nominal Thread Diameter0.438 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5306-00-150-9303
HAZMATNo
Verified Substitutes 12
No Item Name Available
Bolt,machine
Bolt,machine
Bolt,machine
Bolt,machine
Bolt,machine
Bolt,machine
Bolt,machine
Bolt,machine
Bolt,machine
Cross-Reference Index
Part NumberManufacturer
65-7-20 Air Force Standard
FF-S-85 TY II STY 10P GR 2 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MILB857TYPE2GRADE2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
FFB571ANDTYPEB2ANDCLASSC Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
SUCCESSOR 5306-00-150-9303 Bolt,machine
5306-00-527-4553SUCCESSOR
NO ITEM NAME AVAILABLE
5306-00-150-9309SUCCESSOR
BOLT,MACHINE
5306-00-150-9311SUCCESSOR
BOLT,MACHINE
5306-00-151-1912SUCCESSOR
BOLT,MACHINE
5306-00-151-1917SUCCESSOR
BOLT,MACHINE
5306-00-151-1921SUCCESSOR
BOLT,MACHINE
5306-00-151-1924SUCCESSOR
BOLT,MACHINE
5306-00-151-1927SUCCESSOR
BOLT,MACHINE
5306-00-151-1929SUCCESSOR
BOLT,MACHINE
5306-00-156-2231SUCCESSOR
BOLT,MACHINE
5306-00-272-5104SUCCESSOR
BOLT,MACHINE

Frequently Asked Questions

What is NSN 5306-00-174-9458?

NSN 5306-00-174-9458 is a Bolt,machine, manufactured by Air Force Standard, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-174-9458?

NSN 5306-00-174-9458 has 4 cross-referenced part numbers: 65-7-20 (Air Force Standard), FF-S-85 TY II STY 10P GR 2 (Federal Specifications Promulgated by General Services Administration Washington DC), MILB857TYPE2GRADE2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), FFB571ANDTYPEB2ANDCLASSC (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5306-00-174-9458?

There are 12 known substitutes for 5306-00-174-9458: 5306-00-527-4553, 5306-00-150-9303, 5306-00-150-9309 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 65-7-20?

Key specifications for 65-7-20: Grip Length: 0.750 INCHES NOMINAL IN; Width Between Flats: 0.603 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN; Thread Quantity Per Inch: 14; Fastener Length: 2.000 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-174-9458 still in active supply?

NSN 5306-00-174-9458 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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