PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

424655Screw,assembled Washer

Army Weapons Command Attn Amswe-Ree-S · NSN 5305-00-042-4655 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-042-4655 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-042-4655. Primary manufacturer part number: 424655.
Features
  • Screw,assembled Washer — FSC 5305
  • Internal Drive Style: CROSS RECESS TYPE 1
  • Fastener Length: 0.625 INCHES NOMINAL IN
  • Washer Quantity: 1
  • Head Style: ROUND
  • Thread Series Designator: UNF
  • Material: STEEL OVERALL
  • Primary Washer Style: FLAT EXTERNAL TEETH
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,assembled Washer, cataloged under National Stock Number 5305-00-042-4655, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5305-00-042-4655
Primary Part Number424655
Item NameScrew,assembled Washer
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerArmy Weapons Command Attn Amswe-Ree-S
StatusACTIVE
Internal Drive StyleCROSS RECESS TYPE 1
Fastener Length0.625 INCHES NOMINAL IN
Washer Quantity1
Head StyleROUND
Thread Series DesignatorUNF
MaterialSTEEL OVERALL
Primary Washer StyleFLAT EXTERNAL TEETH
Head Diameter0.670 INCHES MINIMUM AND 0.708 INCHES MAXIMUM IN
Primary Washer Outside Diameter0.680 INCHES MINIMUM AND 0.695 INCHES MAXIMUM IN
Surface TreatmentCADMIUM OR ZINC OVERALL
Head Height0.237 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN
Thread Quantity Per Inch24
Material Document and ClassificationSAE ASSN STD ALL MATERIAL RESPONSES OR AISI ASSN STD ALL MATERIAL RESPONSES OR 66 FED STD ALL MATERIAL RESPONSES OVERALL
Hardness Rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM PRIMARY WASHER
Primary Washer Material Thickness0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
Thread Length0.471 INCHES MINIMUM AND 0.593 INCHES MAXIMUM IN
Nominal Thread Diameter0.375 INCHES IN
Thread Class2A A
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
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5342-01-167-4264424666-1 INTERCHANGEABLE
Mechanism Adjustment Mount
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
5365-01-258-96436289516 INTERCHANGEABLE
Swivel,screw Clamp
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
424655 Army Weapons Command Attn Amswe-Ree-S (USA)
Related Parts
5342-01-167-4264INTERCHANGEABLE
MECHANISM ADJUSTMENT MOUNT
424666-1
5365-01-258-9643INTERCHANGEABLE
SWIVEL,SCREW CLAMP
6289516

Frequently Asked Questions

What is NSN 5305-00-042-4655?

NSN 5305-00-042-4655 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 5305-00-042-4655?

NSN 5305-00-042-4655 has 1 cross-referenced part number: 424655 (Army Weapons Command Attn Amswe-Ree-S).

What NSN replaces 5305-00-042-4655?

There are 2 known substitutes for 5305-00-042-4655: 5342-01-167-4264, 5365-01-258-9643. Verify interchangeability with system specifications before substitution.

What are the specifications of 424655?

Key specifications for 424655: Internal Drive Style: CROSS RECESS TYPE 1; Fastener Length: 0.625 INCHES NOMINAL IN; Washer Quantity: 1; Head Style: ROUND. 20 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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