PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

425601Screw,assembled Washer

Diamond Reo Truck Co · NSN 5305-00-042-5601 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-042-5601 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-042-5601. Primary manufacturer part number: 425601.
Features
  • Screw,assembled Washer — FSC 5305
  • Primary Washer Outside Diameter: 0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
  • Washer Quantity: 1
  • Surface Treatment Document and Classification: QQ-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 Series Designator: UNF
  • Fastener Length: 0.969 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 24
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 5305-00-042-5601, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Diamond Reo Truck Co. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5305-00-042-5601
Primary Part Number425601
Item NameScrew,assembled Washer
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerDiamond Reo Truck Co
StatusACTIVE
Primary Washer Outside Diameter0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Washer Quantity1
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 Series DesignatorUNF
Fastener Length0.969 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
Thread Quantity Per Inch24
Primary Washer StyleFLAT EXTERNAL TEETH
Thread Length0.886 INCHES MINIMUM AND 0.969 INCHES MAXIMUM IN
Thread Class2A A
Width Between Flats0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Nominal Thread Diameter0.375 INCHES IN
Surface TreatmentCADMIUM OR ZINC OVERALL
MaterialSTEEL COMP 1010 OR STEEL COMP 1020 OR STEEL COMP 1050 OVERALL
Head Height0.270 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN
Internal Drive StyleSLOT
Head StyleHEXAGON
Primary Washer Material Thickness0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6130-01-074-0616M213-10E INTERCHANGEABLE
Power Supply
Rantec Power Systems Inc. Dba Rantec Power Systems
Cross-Reference Index
Part NumberManufacturer
425601 Diamond Reo Truck Co (USA)
425601 Army Weapons Command Attn Amswe-Ree-S (USA)
5305000425601 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
425601 General Motors Corp (USA)
Related Parts
6130-01-074-0616INTERCHANGEABLE
POWER SUPPLY
M213-10E

Frequently Asked Questions

What is NSN 5305-00-042-5601?

NSN 5305-00-042-5601 is a Screw,assembled Washer, manufactured by Diamond Reo Truck Co, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-042-5601?

NSN 5305-00-042-5601 has 4 cross-referenced part numbers: 425601 (Diamond Reo Truck Co), 425601 (Army Weapons Command Attn Amswe-Ree-S), 5305000425601 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 425601 (General Motors Corp).

What NSN replaces 5305-00-042-5601?

There is 1 known substitute for 5305-00-042-5601: 6130-01-074-0616. Verify interchangeability with system specifications before substitution.

What are the specifications of 425601?

Key specifications for 425601: Primary Washer Outside Diameter: 0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND; Washer Quantity: 1; Surface Treatment Document and Classification: QQ-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. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com