PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7402866Screw,assembled Washer

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5305-00-639-6026 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-639-6026 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-639-6026. Primary manufacturer part number: 7402866.
Features
  • Screw,assembled Washer — FSC 5305
  • Washer Quantity: 1
  • Primary Washer Material Thickness: 0.060 INCHES NOMINAL IN
  • Head Style: PAN NO. 2
  • Fastener Length: 0.312 INCHES NOMINAL IN
  • Thread Length: 0.219 INCHES MINIMUM IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Material: STEEL OVERALL
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 5305-00-639-6026, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 17 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-639-6026
Primary Part Number7402866
Item NameScrew,assembled Washer
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusCANCELLED
Washer Quantity1
Primary Washer Material Thickness0.060 INCHES NOMINAL IN
Head StylePAN NO. 2
Fastener Length0.312 INCHES NOMINAL IN
Thread Length0.219 INCHES MINIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
MaterialSTEEL OVERALL
Primary Washer StyleFLAT INTERNAL TEETH
Surface TreatmentCADMIUM AND DICHROMATE OVERALL
Thread Class2A A
Internal Drive StyleSLOT
Head Height0.085 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
Head Diameter0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Nominal Thread Diameter0.164 INCHES IN
Thread Quantity Per Inch32
Primary Washer Outside Diameter0.350 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3020-00-036-33785900 INTERCHANGEABLE
Gear,drive Motion
Northrop Grumman Systems Corporation Div Marine Systems
6515-00-149-14755900 INTERCHANGEABLE
Respirator,mobile
Bird Products Corp
5310-00-471-40965900 INTERCHANGEABLE
Washer,concave
Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier
6115-00-500-40115900 INTERCHANGEABLE
Generator Set,gasoline Engine
Hiller Aircraft Corporation
4510-00-889-9759 INTERCHANGEABLE
Rod,lift,flush Bulb
6230-01-013-8443 INTERCHANGEABLE
Light,desk
6625-01-045-46435900 INTERCHANGEABLE
Multimeter
Astronics Test Systems Inc
6636-01-153-10029059 INTERCHANGEABLE
Temperature Chamber,unit Repair
Delta Design Inc Sub Cohu Inc
6515-01-172-5632 INTERCHANGEABLE
Bag,urine Collection
5955-01-322-20675900 INTERCHANGEABLE
Oscillator,noncrystal Controlled
Industrial Test Equipment Company, Inc. Dba Industrial Test Equipment Co
Cross-Reference Index
Part NumberManufacturer
7402866 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
5900 Wico-Prestolite Co the Div of Eltra Corp (USA)
Related Parts
3020-00-036-3378INTERCHANGEABLE
GEAR,DRIVE MOTION
5900
6515-00-149-1475INTERCHANGEABLE
RESPIRATOR,MOBILE
5900
5310-00-471-4096INTERCHANGEABLE
WASHER,CONCAVE
5900
6115-00-500-4011INTERCHANGEABLE
GENERATOR SET,GASOLINE ENGINE
5900
4510-00-889-9759INTERCHANGEABLE
ROD,LIFT,FLUSH BULB
6230-01-013-8443INTERCHANGEABLE
LIGHT,DESK
6625-01-045-4643INTERCHANGEABLE
MULTIMETER
5900
6636-01-153-1002INTERCHANGEABLE
TEMPERATURE CHAMBER,UNIT REPAIR
9059
6515-01-172-5632INTERCHANGEABLE
BAG,URINE COLLECTION
5955-01-322-2067INTERCHANGEABLE
OSCILLATOR,NONCRYSTAL CONTROLLED
5900
6145-01-334-4248INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
9641
6625-01-335-3088INTERCHANGEABLE
LEAD,TEST
TL220

Frequently Asked Questions

What is NSN 5305-00-639-6026?

NSN 5305-00-639-6026 is a Screw,assembled Washer, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-639-6026?

NSN 5305-00-639-6026 has 2 cross-referenced part numbers: 7402866 (U S Army Tank Automotive Command Amsta-Im-Mm), 5900 (Wico-Prestolite Co the Div of Eltra Corp).

What NSN replaces 5305-00-639-6026?

There are 12 known substitutes for 5305-00-639-6026: 3020-00-036-3378, 6515-00-149-1475, 5310-00-471-4096 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7402866?

Key specifications for 7402866: Washer Quantity: 1; Primary Washer Material Thickness: 0.060 INCHES NOMINAL IN; Head Style: PAN NO. 2; Fastener Length: 0.312 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-639-6026 still in active supply?

NSN 5305-00-639-6026 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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