PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FF-S-86 REVISION CScrew,cap,socket Head

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5305-00-983-5342 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-983-5342 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-983-5342. Primary manufacturer part number: FF-S-86 REVISION C.
Features
  • Screw,cap,socket Head — FSC 5305
  • Minimum Yield Strength: 130000 POUNDS PER SQUARE INCH LBS
  • Thread Length: 1.440 INCHES MINIMUM AND 1.813 INCHES MAXIMUM IN
  • Head Diameter: 0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
  • Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Surface Treatment Document and Classification: QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-983-5342, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN5305-00-983-5342
Primary Part NumberFF-S-86 REVISION C
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Minimum Yield Strength130000 POUNDS PER SQUARE INCH LBS
Thread Length1.440 INCHES MINIMUM AND 1.813 INCHES MAXIMUM IN
Head Diameter0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Hardness Rating36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Surface Treatment Document and ClassificationQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Specification/standard Data96906-NAS1352-6-80P NATIONAL STD/SPEC
Fastener Length4.940 INCHES MINIMUM AND 5.000 INCHES MAXIMUM IN
Minimum Tensile Strength160000 POUNDS PER SQUARE INCH LBS
Head StyleFLAT CHAMFER
Width Across Flats0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
Nominal Thread Diameter0.375 INCHES IN
Nondefinitive Spec/std Data6 TYPE
Thread Quantity Per Inch16
Thread Class3A A
Internal Drive StyleHEXAGON
Thread DirectionRIGHT-HAND
Head Height0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6515-01-589-0846690.381 INTERCHANGEABLE
Case,plate Set,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
FF-S-86 REVISION C Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS16997-112 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
690381 Eaton Aerospace, Llc Dba Jackson South (USA)
NAS1352-6-80P Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6515-01-589-0846INTERCHANGEABLE
CASE,PLATE SET,BONE
690.381

Frequently Asked Questions

What is NSN 5305-00-983-5342?

NSN 5305-00-983-5342 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 5305-00-983-5342?

NSN 5305-00-983-5342 has 4 cross-referenced part numbers: FF-S-86 REVISION C (Federal Specifications Promulgated by General Services Administration Washington DC), MS16997-112 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 690381 (Eaton Aerospace, Llc Dba Jackson South), NAS1352-6-80P (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5305-00-983-5342?

There is 1 known substitute for 5305-00-983-5342: 6515-01-589-0846. Verify interchangeability with system specifications before substitution.

What are the specifications of FF-S-86 REVISION C?

Key specifications for FF-S-86 REVISION C: Minimum Yield Strength: 130000 POUNDS PER SQUARE INCH LBS; Thread Length: 1.440 INCHES MINIMUM AND 1.813 INCHES MAXIMUM IN; Head Diameter: 0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN; Material: STEEL OVERALL. 20 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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