PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFS85AMEND2TYPE2STYLE10PGRADE5Screw,cap,hexagon Head

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5305-00-543-2865 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-543-2865 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-543-2865. Primary manufacturer part number: FFS85AMEND2TYPE2STYLE10PGRADE5.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Length: 1.250 INCHES NOMINAL IN
  • Head Style: HEXAGON
  • Hardness Rating: 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
  • Material: STEEL OVERALL
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Minimum Yield Strength: 120000 POUNDS PER SQUARE INCH LBS
  • Nondefinitive Spec/std Data: 2 TYPE AND 10P STYLE AND 5 GRADE
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-543-2865, is classified within Federal Supply Class 5305 (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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5305-00-543-2865
Primary Part NumberFFS85AMEND2TYPE2STYLE10PGRADE5
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Thread Length1.250 INCHES NOMINAL IN
Head StyleHEXAGON
Hardness Rating23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM OR ZINC OVERALL
Minimum Yield Strength120000 POUNDS PER SQUARE INCH LBS
Nondefinitive Spec/std Data2 TYPE AND 10P STYLE AND 5 GRADE
Width Between Flats0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Fastener Length1.250 INCHES NOMINAL IN
Nominal Thread Diameter0.500 INCHES IN
Head Height0.320 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
Thread Class2A A
Thread Quantity Per Inch13
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5305-00-017-9788 INTERCHANGEABLE
Screw,cap,hexagon Head
5306-00-018-0076 INTERCHANGEABLE
Bolt,machine
5306-00-270-8290 INTERCHANGEABLE
Bolt,machine
5305-00-550-1311 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-00-577-5453 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-00-638-9084 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-00-685-3193 INTERCHANGEABLE
Screw,cap,hexagon Head
Cross-Reference Index
Part NumberManufacturer
FFS85AMEND2TYPE2STYLE10PGRADE5 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS35297-111 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5305-00-017-9788INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5306-00-018-0076INTERCHANGEABLE
BOLT,MACHINE
5306-00-270-8290INTERCHANGEABLE
BOLT,MACHINE
5305-00-550-1311INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-00-577-5453INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-00-638-9084INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-00-685-3193INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD

Frequently Asked Questions

What is NSN 5305-00-543-2865?

NSN 5305-00-543-2865 is a Screw,cap,hexagon Head, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-543-2865?

NSN 5305-00-543-2865 has 2 cross-referenced part numbers: FFS85AMEND2TYPE2STYLE10PGRADE5 (Federal Specifications Promulgated by General Services Administration Washington DC), MS35297-111 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5305-00-543-2865?

There are 7 known substitutes for 5305-00-543-2865: 5305-00-017-9788, 5306-00-018-0076, 5306-00-270-8290 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FFS85AMEND2TYPE2STYLE10PGRADE5?

Key specifications for FFS85AMEND2TYPE2STYLE10PGRADE5: Thread Length: 1.250 INCHES NOMINAL IN; Head Style: HEXAGON; Hardness Rating: 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL; Material: STEEL OVERALL. 15 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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