PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

423562Screw,assembled Washer

General Motors Corp · NSN 5305-00-042-3562 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-042-3562 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-042-3562. Primary manufacturer part number: 423562.
Features
  • Screw,assembled Washer — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Thread Quantity Per Inch: 18
  • Width Between Flats: 0.491 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
  • Material: STEEL COMP 1010 OR STEEL COMP 1020 OR STEEL COMP 1050 OVERALL
  • Primary Washer Outside Diameter: 0.567 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Fastener Length: 0.969 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1010 or Steel Comp 1020 or Steel Comp 1050 Overall construction
General Description

The Screw,assembled Washer, cataloged under National Stock Number 5305-00-042-3562, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Motors Corp. Government technical data includes 19 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
NSN5305-00-042-3562
Primary Part Number423562
Item NameScrew,assembled Washer
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerGeneral Motors Corp
StatusACTIVE
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch18
Width Between Flats0.491 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
MaterialSTEEL COMP 1010 OR STEEL COMP 1020 OR STEEL COMP 1050 OVERALL
Primary Washer Outside Diameter0.567 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN
Surface TreatmentCADMIUM OR ZINC OVERALL
Fastener Length0.969 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
Primary Washer Material Thickness0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
Thread Length0.858 INCHES MINIMUM AND 0.969 INCHES MAXIMUM IN
Primary Washer StyleFLAT EXTERNAL TEETH
Internal Drive StyleSLOT
Head StyleHEXAGON
Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
Washer Quantity1
Head Height0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
Material Document and ClassificationSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Diameter0.312 INCHES IN
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5340-00-729-67638908763 INTERCHANGEABLE
Clamp,synchro
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
423562 General Motors Corp (USA)
423562 General Motors Llc Dba General Motors Llc (USA)
5305000423562 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
Related Parts
5340-00-729-6763INTERCHANGEABLE
CLAMP,SYNCHRO
8908763

Frequently Asked Questions

What is NSN 5305-00-042-3562?

NSN 5305-00-042-3562 is a Screw,assembled Washer, manufactured by General Motors Corp, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-042-3562?

NSN 5305-00-042-3562 has 3 cross-referenced part numbers: 423562 (General Motors Corp), 423562 (General Motors Llc Dba General Motors Llc), 5305000423562 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales).

What NSN replaces 5305-00-042-3562?

There is 1 known substitute for 5305-00-042-3562: 5340-00-729-6763. Verify interchangeability with system specifications before substitution.

What are the specifications of 423562?

Key specifications for 423562: Thread Direction: RIGHT-HAND; Thread Quantity Per Inch: 18; Width Between Flats: 0.491 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Material: STEEL COMP 1010 OR STEEL COMP 1020 OR STEEL COMP 1050 OVERALL. 19 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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