PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81022Screw,cap,socket Head

Fastenal Company Dba Fastenal Co Div Ilmon · NSN 5305-01-432-2437 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-432-2437 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-432-2437. Primary manufacturer part number: 81022.
Features
  • Screw,cap,socket Head — FSC 5305
  • Head Height: 0.077 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
  • Minimum Tensile Strength: 137000 POUNDS PER SQUARE INCH LBS
  • Material: STEEL OVERALL
  • Head Style: BUTTON
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Diameter: 0.164 INCHES IN
  • Surface Treatment: OXIDE 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 5305-01-432-2437, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company Dba Fastenal Co Div Ilmon. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-432-2437
Primary Part Number81022
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co Div Ilmon
StatusACTIVE
Head Height0.077 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
Minimum Tensile Strength137000 POUNDS PER SQUARE INCH LBS
MaterialSTEEL OVERALL
Head StyleBUTTON
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Diameter0.164 INCHES IN
Surface TreatmentOXIDE OVERALL
Hardness Rating38.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
ColorBLACK OVERALL
Material Document and ClassificationASTM F835 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread DirectionRIGHT-HAND
Fastener Length0.250 INCHES NOMINAL IN
Head Diameter0.298 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Thread Length0.188 INCHES MAXIMUM IN
Width Across Flats0.094 INCHES NOMINAL IN
Internal Drive StyleHEXAGON
Thread Class3A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-155-6723059094 INTERCHANGEABLE
Bearing,ball,annular
New Holland Construction
6930-00-211-238881022 INTERCHANGEABLE
Chassis Assembly,re
Cae Usa Inc.
5310-00-275-139822FP2-832 INTERCHANGEABLE
Nut,self-Locking,spline
Sps Technologies, Llc Dba PB Fasteners
5970-00-852-748720S840 INTERCHANGEABLE
Insulator,suspension
Ngk-Locke, Inc.
4820-01-223-325981022 INTERCHANGEABLE
Stem,needle Valve
Pneudraulics, Inc.
5950-01-261-5304BX8455 INTERCHANGEABLE
Transformer,power
Baltimore Transformer Co
6150-01-633-900081022 INTERCHANGEABLE
Cable Assembly,power,electrical
Petroleum Analyzer Co L.p
6515-01-714-123581022 INTERCHANGEABLE
Implant,mesh,surgical
Stryker Sales, Llc Div Stryker Instruments
Cross-Reference Index
Part NumberManufacturer
81022 PRIMARY Fastenal Company Dba Fastenal Co Div Ilmon (USA)
91255A190 Mcmaster-Carr Supply Co (USA)
Related Parts
3110-00-155-6723INTERCHANGEABLE
BEARING,BALL,ANNULAR
059094
6930-00-211-2388INTERCHANGEABLE
CHASSIS ASSEMBLY,RE
81022
5310-00-275-1398INTERCHANGEABLE
NUT,SELF-LOCKING,SPLINE
22FP2-832
5970-00-852-7487INTERCHANGEABLE
INSULATOR,SUSPENSION
20S840
4820-01-223-3259INTERCHANGEABLE
STEM,NEEDLE VALVE
81022
5950-01-261-5304INTERCHANGEABLE
TRANSFORMER,POWER
BX8455
6150-01-633-9000INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
81022
6515-01-714-1235INTERCHANGEABLE
IMPLANT,MESH,SURGICAL
81022

Frequently Asked Questions

What is NSN 5305-01-432-2437?

NSN 5305-01-432-2437 is a Screw,cap,socket Head, manufactured by Fastenal Company Dba Fastenal Co Div Ilmon, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-432-2437?

NSN 5305-01-432-2437 has 2 cross-referenced part numbers: 81022 (Fastenal Company Dba Fastenal Co Div Ilmon), 91255A190 (Mcmaster-Carr Supply Co).

What NSN replaces 5305-01-432-2437?

There are 8 known substitutes for 5305-01-432-2437: 3110-00-155-6723, 6930-00-211-2388, 5310-00-275-1398 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 81022?

Key specifications for 81022: Head Height: 0.077 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN; Minimum Tensile Strength: 137000 POUNDS PER SQUARE INCH LBS; Material: STEEL OVERALL; Head Style: BUTTON. 18 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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