PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFS86TYPE1STYLE2Screw,cap,socket Head

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5305-00-207-7131 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-207-7131 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-207-7131. Primary manufacturer part number: FFS86TYPE1STYLE2.
Features
  • Screw,cap,socket Head — FSC 5305
  • Head Style: FLAT CHAMFER
  • Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Thread Quantity Per Inch: 32
  • Nominal Thread Diameter: 0.138 INCHES IN
  • Minimum Yield Strength: 35000 POUNDS PER SQUARE INCH LBS
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 302 or Steel Comp 303 or Steel Comp 304 Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-207-7131, 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 1 commercial cross-reference from 1 manufacturer, 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
NSN5305-00-207-7131
Primary Part NumberFFS86TYPE1STYLE2
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Head StyleFLAT CHAMFER
MaterialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL
Surface TreatmentPASSIVATE OVERALL
Thread Quantity Per Inch32
Nominal Thread Diameter0.138 INCHES IN
Minimum Yield Strength35000 POUNDS PER SQUARE INCH LBS
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nondefinitive Spec/std Data1 TYPE AND 11 STYLE
Thread Length0.375 INCHES MAXIMUM IN
Head Diameter0.221 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN
Fastener Length0.375 INCHES NOMINAL IN
Thread Class3A A
Internal Drive StyleHEXAGON
Width Across Flats0.093 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
Head Height0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Material Document and ClassificationQQ-S-763B COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5305-00-570-6002 INTERCHANGEABLE
Screw,machine
5305-00-582-9523 INTERCHANGEABLE
Screw,cap,socket Head
5305-00-687-6738NAS608C832-8 INTERCHANGEABLE
Screw,cap,socket Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-722-2736 INTERCHANGEABLE
Screw,cap,socket Head
5305-00-727-98705A31020 INTERCHANGEABLE
Screw,cap,socket Head
Triumph Engine Control Systems Llc
5305-00-804-5211NAS608C3-24 INTERCHANGEABLE
Screw,cap,socket Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-954-9810 INTERCHANGEABLE
Screw,cap,socket Head
Cross-Reference Index
Part NumberManufacturer
FFS86TYPE1STYLE2 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5305-00-570-6002INTERCHANGEABLE
SCREW,MACHINE
5305-00-582-9523INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-00-687-6738INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
NAS608C832-8
5305-00-722-2736INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-00-727-9870INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5A31020
5305-00-804-5211INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
NAS608C3-24
5305-00-954-9810INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD

Frequently Asked Questions

What is NSN 5305-00-207-7131?

NSN 5305-00-207-7131 is a Screw,cap,socket 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 5305-00-207-7131?

NSN 5305-00-207-7131 has 1 cross-referenced part number: FFS86TYPE1STYLE2 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5305-00-207-7131?

There are 7 known substitutes for 5305-00-207-7131: 5305-00-570-6002, 5305-00-582-9523, 5305-00-687-6738 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FFS86TYPE1STYLE2?

Key specifications for FFS86TYPE1STYLE2: Head Style: FLAT CHAMFER; Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL; Surface Treatment: PASSIVATE OVERALL; Thread Quantity Per Inch: 32. 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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