PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

810-0023Washer,flat

Kongsberg Maritime Inc Dba Kongsberg Maritime Inc · NSN 5310-01-612-8870 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-612-8870 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-612-8870. Primary manufacturer part number: 810-0023.
Features
  • Washer,flat — FSC 5310
  • Material: STEEL OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Hole Diameter: 4.3 MILLIMETERS NOMINAL MM
  • Overall Diameter: 9.0 MILLIMETERS NOMINAL MM
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
  • Thickness: 0.8 MILLIMETERS NOMINAL MM
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 5310-01-612-8870, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kongsberg Maritime Inc Dba Kongsberg Maritime Inc. Government technical data includes 7 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-612-8870
Primary Part Number810-0023
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerKongsberg Maritime Inc Dba Kongsberg Maritime Inc
StatusACTIVE
MaterialSTEEL OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter4.3 MILLIMETERS NOMINAL MM
Overall Diameter9.0 MILLIMETERS NOMINAL MM
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Thickness0.8 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5310-00-630-1933 INTERCHANGEABLE
Washer,shouldered and Recessed
4820-01-290-9059810-0023 INTERCHANGEABLE
Valve,safety Relief
Frymaster/dean Dba Varimixer
5306-01-547-294115635 INTERCHANGEABLE
Bolt,machine
Imperial Supplies Llc
Cross-Reference Index
Part NumberManufacturer
810-0023 PRIMARY Kongsberg Maritime Inc Dba Kongsberg Maritime Inc (USA)
Related Parts
5310-00-630-1933INTERCHANGEABLE
WASHER,SHOULDERED AND RECESSED
4820-01-290-9059INTERCHANGEABLE
VALVE,SAFETY RELIEF
810-0023
5306-01-547-2941INTERCHANGEABLE
BOLT,MACHINE
15635

Frequently Asked Questions

What is NSN 5310-01-612-8870?

NSN 5310-01-612-8870 is a Washer,flat, manufactured by Kongsberg Maritime Inc Dba Kongsberg Maritime Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-612-8870?

NSN 5310-01-612-8870 has 1 cross-referenced part number: 810-0023 (Kongsberg Maritime Inc Dba Kongsberg Maritime Inc).

What NSN replaces 5310-01-612-8870?

There are 3 known substitutes for 5310-01-612-8870: 5310-00-630-1933, 4820-01-290-9059, 5306-01-547-2941. Verify interchangeability with system specifications before substitution.

What are the specifications of 810-0023?

Key specifications for 810-0023: Material: STEEL OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Hole Diameter: 4.3 MILLIMETERS NOMINAL MM; Overall Diameter: 9.0 MILLIMETERS NOMINAL MM. 8 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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