PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4-0234Washer,flat

Namjet Llc · NSN 5310-01-653-7780 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-653-7780 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-653-7780. Primary manufacturer part number: 4-0234.
Features
  • Washer,flat — FSC 5310
  • Material: STEEL OVERALL
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: BLANK RECTANGULAR
  • Hole Diameter: 0.401 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN
  • Overall Diameter: 0.805 INCHES MINIMUM AND 0.827 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
  • Thickness: 0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-653-7780, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Namjet Llc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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: Active.

Technical Specifications
ParameterValue
NSN5310-01-653-7780
Primary Part Number4-0234
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNamjet Llc
StatusACTIVE
MaterialSTEEL OVERALL
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleBLANK RECTANGULAR
Hole Diameter0.401 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN
Overall Diameter0.805 INCHES MINIMUM AND 0.827 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Thickness0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1560-00-066-191040234 INTERCHANGEABLE
Control Assembly,br
Triumph Controls, Llc Dba Triumph Controls, Llc
4730-00-068-65555600-8-10S INTERCHANGEABLE
Coupling Assembly,quick Disconne
Danfoss Power Solutions II, Llc
5961-00-122-8678 INTERCHANGEABLE
Transistor
3110-00-198-0486M-484-Q INTERCHANGEABLE
Roller,bearing
Jtekt Bearings North America Llc Div Kbna - Ord 1
5935-00-201-8151 INTERCHANGEABLE
Adapter,connector
5950-00-686-6312152A654H01 INTERCHANGEABLE
Reactor
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
4820-01-011-1285 INTERCHANGEABLE
Parts Kit,linear Directional Con
5330-01-011-8535 INTERCHANGEABLE
Seal Kit,valve
5330-01-054-4006JC-400-525-20 INTERCHANGEABLE
Seal,plain Encased
John Crane, Inc
5330-01-055-6864W40041 INTERCHANGEABLE
Gasket
Rawson-Koenig Inc
Cross-Reference Index
Part NumberManufacturer
4-0234 PRIMARY Namjet Llc (USA)
4-0041 Birdon Pty Ltd (AUS)
N0083 Namjet Llc (USA)
4-0041 Namjet Llc (USA)
4-0004 Namjet Llc (USA)
Related Parts
1560-00-066-1910INTERCHANGEABLE
CONTROL ASSEMBLY,BR
40234
4730-00-068-6555INTERCHANGEABLE
COUPLING ASSEMBLY,QUICK DISCONNE
5600-8-10S
5961-00-122-8678INTERCHANGEABLE
TRANSISTOR
3110-00-198-0486INTERCHANGEABLE
ROLLER,BEARING
M-484-Q
5935-00-201-8151INTERCHANGEABLE
ADAPTER,CONNECTOR
5950-00-686-6312INTERCHANGEABLE
REACTOR
152A654H01
4820-01-011-1285INTERCHANGEABLE
PARTS KIT,LINEAR DIRECTIONAL CON
5330-01-011-8535INTERCHANGEABLE
SEAL KIT,VALVE
5330-01-054-4006INTERCHANGEABLE
SEAL,PLAIN ENCASED
JC-400-525-20
5330-01-055-6864INTERCHANGEABLE
GASKET
W40041
5998-01-064-0430INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
DA63323
5962-01-078-5740INTERCHANGEABLE
MICROCIRCUIT,MEMORY
40234

Frequently Asked Questions

What is NSN 5310-01-653-7780?

NSN 5310-01-653-7780 is a Washer,flat, manufactured by Namjet Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-653-7780?

NSN 5310-01-653-7780 has 5 cross-referenced part numbers: 4-0234 (Namjet Llc), 4-0041 (Birdon Pty Ltd), N0083 (Namjet Llc), 4-0041 (Namjet Llc), 4-0004 (Namjet Llc).

What NSN replaces 5310-01-653-7780?

There are 12 known substitutes for 5310-01-653-7780: 1560-00-066-1910, 4730-00-068-6555, 5961-00-122-8678 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4-0234?

Key specifications for 4-0234: Material: STEEL OVERALL; Center Hole Shape Style: ROUND; End Item Identification: 1940-01-615-8699; Cross-Sectional Shape Style: BLANK RECTANGULAR. 9 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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