PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FF-S-85CBolt,machine

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5306-00-275-9785 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-275-9785 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-275-9785. Primary manufacturer part number: FF-S-85C.
Features
  • Bolt,machine — FSC 5306
  • Thread Quantity Per Inch: 16
  • Nondefinitive Spec/std Data: 2 TYPE AND 10P STYLE AND 5 GRADE
  • Surface Treatment: ZINC OVERALL
  • Head Height: 0.234 INCHES NOMINAL IN
  • Thread Length: 0.750 INCHES MINIMUM IN
  • Nominal Thread Diameter: 0.375 INCHES IN
  • Fastener Length: 0.750 INCHES NOMINAL IN
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 5306-00-275-9785, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-275-9785
Primary Part NumberFF-S-85C
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Thread Quantity Per Inch16
Nondefinitive Spec/std Data2 TYPE AND 10P STYLE AND 5 GRADE
Surface TreatmentZINC OVERALL
Head Height0.234 INCHES NOMINAL IN
Thread Length0.750 INCHES MINIMUM IN
Nominal Thread Diameter0.375 INCHES IN
Fastener Length0.750 INCHES NOMINAL IN
Width Between Flats0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
MaterialSTEEL OVERALL
Thread DirectionRIGHT-HAND
Features ProvidedFINISHED HEAD
Thread Class2A A
Head StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
Bolt,machine
5306-01-448-3920MS35307-348 SUCCESSOR
Bolt,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
FF-S-85C Federal Specifications Promulgated by General Services Administration Washington DC (USA)
280450PC246 Naval Sea Systems Command (USA)
12Z24PC241 Naval Sea Systems Command (USA)
Related Parts
5306-00-272-4229SUCCESSOR
BOLT,MACHINE
5306-01-448-3920SUCCESSOR
BOLT,MACHINE
MS35307-348

Frequently Asked Questions

What is NSN 5306-00-275-9785?

NSN 5306-00-275-9785 is a Bolt,machine, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-275-9785?

NSN 5306-00-275-9785 has 3 cross-referenced part numbers: FF-S-85C (Federal Specifications Promulgated by General Services Administration Washington DC), 280450PC246 (Naval Sea Systems Command), 12Z24PC241 (Naval Sea Systems Command).

What NSN replaces 5306-00-275-9785?

There are 2 known substitutes for 5306-00-275-9785: 5306-00-272-4229, 5306-01-448-3920. Verify interchangeability with system specifications before substitution.

What are the specifications of FF-S-85C?

Key specifications for FF-S-85C: Thread Quantity Per Inch: 16; Nondefinitive Spec/std Data: 2 TYPE AND 10P STYLE AND 5 GRADE; Surface Treatment: ZINC OVERALL; Head Height: 0.234 INCHES NOMINAL IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-275-9785 still in active supply?

NSN 5306-00-275-9785 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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