PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFS85AMEND2TYPE2STYLE10PGRADE2Screw,cap,hexagon Head

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5305-00-550-1425 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-550-1425 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-550-1425. Primary manufacturer part number: FFS85AMEND2TYPE2STYLE10PGRADE2.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Class: 2A A
  • Width Between Flats: 1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
  • Head Height: 0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN
  • Material Document and Classification: SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Hardness Rating: 100.0 ROCKWELL B MAXIMUM OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Material: STEEL OVERALL
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 5305-00-550-1425, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-550-1425
Primary Part NumberFFS85AMEND2TYPE2STYLE10PGRADE2
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Thread Class2A A
Width Between Flats1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
Head Height0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN
Material Document and ClassificationSAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Hardness Rating100.0 ROCKWELL B MAXIMUM OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
MaterialSTEEL OVERALL
Minimum Yield Strength52000 POUNDS PER SQUARE INCH LBS
Thread Length2.000 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Nominal Thread Diameter0.750 INCHES IN
Thread Quantity Per Inch10
Fastener Length11.812 INCHES MINIMUM AND 12.000 INCHES MAXIMUM IN
Head StyleHEXAGON
Minimum Tensile Strength64000 POUNDS PER SQUARE INCH LBS
Nondefinitive Spec/std Data2 TYPE AND 10P STYLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-261-1868 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-00-261-1898 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-00-261-1916 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-00-261-1971 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-00-261-1997 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-00-266-6306 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-00-266-6348 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-00-266-6361 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-00-266-6408 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-00-270-7554 INTERCHANGEABLE
Screw,cap,hexagon Head
Cross-Reference Index
Part NumberManufacturer
FFS85AMEND2TYPE2STYLE10PGRADE2 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5305-00-261-1868INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-00-261-1898INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-00-261-1916INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-00-261-1971INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-00-261-1997INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-00-266-6306INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-00-266-6348INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-00-266-6361INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-00-266-6408INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-00-270-7554INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-00-558-7347INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-00-577-5448INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD

Frequently Asked Questions

What is NSN 5305-00-550-1425?

NSN 5305-00-550-1425 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 5305-00-550-1425?

NSN 5305-00-550-1425 has 1 cross-referenced part number: FFS85AMEND2TYPE2STYLE10PGRADE2 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5305-00-550-1425?

There are 12 known substitutes for 5305-00-550-1425: 5305-00-261-1868, 5305-00-261-1898, 5305-00-261-1916 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FFS85AMEND2TYPE2STYLE10PGRADE2?

Key specifications for FFS85AMEND2TYPE2STYLE10PGRADE2: Thread Class: 2A A; Width Between Flats: 1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN; Head Height: 0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN; Material Document and Classification: SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 16 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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