PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFS85TYPE2STYLE10PScrew,cap,hexagon Head

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5305-00-285-3871 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-285-3871 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-285-3871. Primary manufacturer part number: FFS85TYPE2STYLE10P.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Length: 1.000 INCHES MINIMUM AND 1.094 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
  • Thread Series Designator: UNF
  • Minimum Yield Strength: 130000 POUNDS PER SQUARE INCH LBS
  • Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
  • Hole Configuration Style: HEXAGON FLATS
  • 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 5305-00-285-3871, 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 21 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: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-285-3871
Primary Part NumberFFS85TYPE2STYLE10P
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Thread Length1.000 INCHES MINIMUM AND 1.094 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNF
Minimum Yield Strength130000 POUNDS PER SQUARE INCH LBS
Hardness Rating32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
Hole Configuration StyleHEXAGON FLATS
MaterialSTEEL OVERALL
Material Document and ClassificationSAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Hole Diameter0.062 INCHES NOMINAL IN
Fastener Length2.250 INCHES NOMINAL IN
Thread Quantity Per Inch24
Head Height0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
Departure From Cited DocumentAS MODIFIED BY HEAD HOLE CONFIGURATION
Hole TypeDRILLED
Nominal Thread Diameter0.375 INCHES IN
Hole Quantity1
Width Between Flats0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Surface TreatmentCADMIUM OR ZINC OVERALL
Thread Class2A A
Head StyleHEXAGON
Minimum Tensile Strength150000 POUNDS PER SQUARE INCH LBS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5330-00-179-143021158-1821 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
Cross-Reference Index
Part NumberManufacturer
FFS85TYPE2STYLE10P Federal Specifications Promulgated by General Services Administration Washington DC (USA)
455147 Army Weapons Command Attn Amswe-Ree-S (USA)
5305008612082 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
Related Parts
5330-00-179-1430INTERCHANGEABLE
SEAL,PLAIN ENCASED
21158-1821

Frequently Asked Questions

What is NSN 5305-00-285-3871?

NSN 5305-00-285-3871 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: cancelled.

What are the part numbers for NSN 5305-00-285-3871?

NSN 5305-00-285-3871 has 3 cross-referenced part numbers: FFS85TYPE2STYLE10P (Federal Specifications Promulgated by General Services Administration Washington DC), 455147 (Army Weapons Command Attn Amswe-Ree-S), 5305008612082 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales).

What NSN replaces 5305-00-285-3871?

There is 1 known substitute for 5305-00-285-3871: 5330-00-179-1430. Verify interchangeability with system specifications before substitution.

What are the specifications of FFS85TYPE2STYLE10P?

Key specifications for FFS85TYPE2STYLE10P: Thread Length: 1.000 INCHES MINIMUM AND 1.094 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND; Thread Series Designator: UNF; Minimum Yield Strength: 130000 POUNDS PER SQUARE INCH LBS. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-285-3871 still in active supply?

NSN 5305-00-285-3871 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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