PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFS85TYPE2STYLE10PGRADE5Screw,cap,hexagon Head

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5305-00-582-8549 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-582-8549 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-582-8549. Primary manufacturer part number: FFS85TYPE2STYLE10PGRADE5.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Class: 2A A
  • Minimum Tensile Strength: 120000 POUNDS PER SQUARE INCH LBS
  • Fastener Length: 2.500 INCHES NOMINAL IN
  • Head Height: 0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 10
  • Surface Treatment: CADMIUM OR ZINC 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
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 5305-00-582-8549, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-582-8549
Primary Part NumberFFS85TYPE2STYLE10PGRADE5
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
Minimum Tensile Strength120000 POUNDS PER SQUARE INCH LBS
Fastener Length2.500 INCHES NOMINAL IN
Head Height0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN
Thread Quantity Per Inch10
Surface TreatmentCADMIUM OR ZINC 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
Minimum Yield Strength85000 POUNDS PER SQUARE INCH LBS
Material Document and ClassificationSAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Hardness Rating23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
MaterialSTEEL OVERALL
Thread Length1.750 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
Head StyleHEXAGON
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Diameter0.750 INCHES IN
Width Between Flats1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-00-922-7994AES01C750B50AW9A91 INTERCHANGEABLE
Screw,cap,hexagon Head
The American Society of Mechanical Engineers
Cross-Reference Index
Part NumberManufacturer
FFS85TYPE2STYLE10PGRADE5 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
NASM90725 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MS35297-189 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5305-00-922-7994INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
AES01C750B50AW9A91

Frequently Asked Questions

What is NSN 5305-00-582-8549?

NSN 5305-00-582-8549 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 5305-00-582-8549?

NSN 5305-00-582-8549 has 3 cross-referenced part numbers: FFS85TYPE2STYLE10PGRADE5 (Federal Specifications Promulgated by General Services Administration Washington DC), NASM90725 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MS35297-189 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5305-00-582-8549?

There is 1 known substitute for 5305-00-582-8549: 5305-00-922-7994. Verify interchangeability with system specifications before substitution.

What are the specifications of FFS85TYPE2STYLE10PGRADE5?

Key specifications for FFS85TYPE2STYLE10PGRADE5: Thread Class: 2A A; Minimum Tensile Strength: 120000 POUNDS PER SQUARE INCH LBS; Fastener Length: 2.500 INCHES NOMINAL IN; Head Height: 0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN. 17 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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