PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

423568Screw,assembled Washer

Army Weapons Command Attn Amswe-Ree-S · NSN 5305-00-042-3568 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-042-3568 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-042-3568. Primary manufacturer part number: 423568.
Features
  • Screw,assembled Washer — FSC 5305
  • Head Height: 0.270 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN
  • Primary Washer Material Thickness: 0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
  • Thread Class: 2A A
  • Nominal Thread Diameter: 0.375 INCHES IN
  • Material: STEEL COMP 1010 OR STEEL COMP 1020 OR STEEL COMP 1050 OVERALL
  • Width Between Flats: 0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
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 5305-00-042-3568, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Army Weapons Command Attn Amswe-Ree-S. Government technical data includes 19 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-042-3568
Primary Part Number423568
Item NameScrew,assembled Washer
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerArmy Weapons Command Attn Amswe-Ree-S
StatusACTIVE
Head Height0.270 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN
Primary Washer Material Thickness0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
Thread Class2A A
Nominal Thread Diameter0.375 INCHES IN
MaterialSTEEL COMP 1010 OR STEEL COMP 1020 OR STEEL COMP 1050 OVERALL
Width Between Flats0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Washer Quantity1
Primary Washer Outside Diameter0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN
Primary Washer StyleFLAT EXTERNAL TEETH
Material Document and ClassificationSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
Surface TreatmentCADMIUM OR ZINC OVERALL
Internal Drive StyleSLOT
Thread Length0.469 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN
Thread Quantity Per Inch16
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
Thread DirectionRIGHT-HAND
Head StyleHEXAGON
Fastener Length0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2910-00-773-5750 INTERCHANGEABLE
Pump
5340-00-831-3022DTS-A1-8 INTERCHANGEABLE
Clamp,synchro
Nordex, Incorporated Dba Nordex Inc
Cross-Reference Index
Part NumberManufacturer
423568 Army Weapons Command Attn Amswe-Ree-S (USA)
5305000423568 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
Related Parts
2910-00-773-5750INTERCHANGEABLE
PUMP
5340-00-831-3022INTERCHANGEABLE
CLAMP,SYNCHRO
DTS-A1-8

Frequently Asked Questions

What is NSN 5305-00-042-3568?

NSN 5305-00-042-3568 is a Screw,assembled Washer, manufactured by Army Weapons Command Attn Amswe-Ree-S, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-042-3568?

NSN 5305-00-042-3568 has 2 cross-referenced part numbers: 423568 (Army Weapons Command Attn Amswe-Ree-S), 5305000423568 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales).

What NSN replaces 5305-00-042-3568?

There are 2 known substitutes for 5305-00-042-3568: 2910-00-773-5750, 5340-00-831-3022. Verify interchangeability with system specifications before substitution.

What are the specifications of 423568?

Key specifications for 423568: Head Height: 0.270 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN; Primary Washer Material Thickness: 0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN; Thread Class: 2A A; Nominal Thread Diameter: 0.375 INCHES IN. 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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