PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN526-1032R20Screw,machine

Aeronautical Standards Group Dept of Navy and Air Force · NSN 5305-00-167-3931 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-167-3931 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-167-3931. Primary manufacturer part number: AN526-1032R20.
Features
  • Screw,machine — FSC 5305
  • Nominal Thread Diameter: 0.190 INCHES IN
  • Minimum Tensile Strength: 55000 POUNDS PER SQUARE INCH LBS
  • Screw Surface Treatment: CADMIUM
  • Head Style: BUTTON
  • Head Height: 0.118 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 32
  • Thread Series Designator: UNF
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-167-3931, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aeronautical Standards Group Dept of Navy and Air Force. 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
NSN5305-00-167-3931
Primary Part NumberAN526-1032R20
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerAeronautical Standards Group Dept of Navy and Air Force
StatusACTIVE
Nominal Thread Diameter0.190 INCHES IN
Minimum Tensile Strength55000 POUNDS PER SQUARE INCH LBS
Screw Surface TreatmentCADMIUM
Head StyleBUTTON
Head Height0.118 INCHES NOMINAL IN
Thread Quantity Per Inch32
Thread Series DesignatorUNF
Internal Drive StyleCROSS RECESS TYPE 1
Fastener Length1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
Screw Material Document and ClassificationQQ-S-671 FED SPEC SINGLE MATERIAL RESPONSE
Thread Length1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
Screw MaterialSTEEL COMP 1010
Thread DirectionRIGHT-HAND
Nondefinitive Spec/std Data3 TYPE AND 7C STYLE
Head Diameter0.425 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
Thread Class2A A
Screw Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-00-995-3442MS35207-268 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
AN526-1032R20 Aeronautical Standards Group Dept of Navy and Air Force (USA)
FFS92ANDTYPE3ANDSTYLE7C Federal Specifications Promulgated by General Services Administration Washington DC (USA)
LS557-12 Lockheed Martin Corp (USA)
Related Parts
5305-00-995-3442INTERCHANGEABLE
SCREW,MACHINE
MS35207-268

Frequently Asked Questions

What is NSN 5305-00-167-3931?

NSN 5305-00-167-3931 is a Screw,machine, manufactured by Aeronautical Standards Group Dept of Navy and Air Force, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-167-3931?

NSN 5305-00-167-3931 has 3 cross-referenced part numbers: AN526-1032R20 (Aeronautical Standards Group Dept of Navy and Air Force), FFS92ANDTYPE3ANDSTYLE7C (Federal Specifications Promulgated by General Services Administration Washington DC), LS557-12 (Lockheed Martin Corp).

What NSN replaces 5305-00-167-3931?

There is 1 known substitute for 5305-00-167-3931: 5305-00-995-3442. Verify interchangeability with system specifications before substitution.

What are the specifications of AN526-1032R20?

Key specifications for AN526-1032R20: Nominal Thread Diameter: 0.190 INCHES IN; Minimum Tensile Strength: 55000 POUNDS PER SQUARE INCH LBS; Screw Surface Treatment: CADMIUM; Head Style: BUTTON. 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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