PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1JA2631H23Washer,flat

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5310-00-815-1982 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-815-1982 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-815-1982. Primary manufacturer part number: 1JA2631H23.
Features
  • Washer,flat — FSC 5310
  • Cross-Sectional Shape Style: RECTANGULAR
  • Thickness: 0.032 INCHES NOMINAL IN
  • Material: STEEL COMP 1010 OVERALL
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment: CADMIUM OVERALL
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1010 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-815-1982, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-815-1982
Primary Part Number1JA2631H23
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusCANCELLED
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.032 INCHES NOMINAL IN
MaterialSTEEL COMP 1010 OVERALL
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentCADMIUM OVERALL
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Overall Diameter0.500 INCHES NOMINAL IN
Hole Diameter0.172 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
3020-00-326-419726404 INTERCHANGEABLE
Gear,worm
Honeywell International Inc. Div Aerospace - Torrance
4720-00-678-87321014-H-5 INTERCHANGEABLE
Hose,preformed
Cepeda Associates, Inc. Dba Cepeda Associates Inc
3040-01-289-8301 INTERCHANGEABLE
Shaft,shouldered
6220-01-649-354226404 INTERCHANGEABLE
Reflector,light
Generac Mobile Products, Llc
Cross-Reference Index
Part NumberManufacturer
AC1593 Essex Industries, Inc. Dba Essex Industries (USA)
1JA2631H23 Westinghouse Electric Corp (USA)
1JA2631H23 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
26404 Briggs and Stratton Corp (USA)
97426 Federal Screw Products, Inc. (USA)
26404 Briggs & Stratton Uk Ltd (GBR)
97426ADX Airdale Express Llc Div Airdale Express (USA)
Related Parts
3020-00-326-4197INTERCHANGEABLE
GEAR,WORM
26404
4720-00-678-8732INTERCHANGEABLE
HOSE,PREFORMED
1014-H-5
3040-01-289-8301INTERCHANGEABLE
SHAFT,SHOULDERED
6220-01-649-3542INTERCHANGEABLE
REFLECTOR,LIGHT
26404

Frequently Asked Questions

What is NSN 5310-00-815-1982?

NSN 5310-00-815-1982 is a Washer,flat, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-815-1982?

NSN 5310-00-815-1982 has 7 cross-referenced part numbers: AC1593 (Essex Industries, Inc. Dba Essex Industries), 1JA2631H23 (Westinghouse Electric Corp), 1JA2631H23 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 26404 (Briggs and Stratton Corp), 97426 (Federal Screw Products, Inc.) and 2 more.

What NSN replaces 5310-00-815-1982?

There are 4 known substitutes for 5310-00-815-1982: 3020-00-326-4197, 4720-00-678-8732, 3040-01-289-8301 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1JA2631H23?

Key specifications for 1JA2631H23: Cross-Sectional Shape Style: RECTANGULAR; Thickness: 0.032 INCHES NOMINAL IN; Material: STEEL COMP 1010 OVERALL; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-815-1982 still in active supply?

NSN 5310-00-815-1982 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.
PartsTable Design LLC · partstable.com