PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

70811Washer,flat

Cummins Inc. · NSN 5310-00-550-8124 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-550-8124 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-550-8124. Primary manufacturer part number: 70811.
Features
  • Washer,flat — FSC 5310
  • Material: STEEL OVERALL
  • Overall Diameter: 0.640 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Hole Diameter: 0.420 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
  • Thickness: 0.020 INCHES NOMINAL 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 5310-00-550-8124, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cummins 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-550-8124
Primary Part Number70811
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCummins Inc.
StatusCANCELLED
MaterialSTEEL OVERALL
Overall Diameter0.640 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter0.420 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Thickness0.020 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
3110-00-100-36251240077H1 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Dressta North America Ltd
5935-01-240-412210556106 INTERCHANGEABLE
Adapter,connector
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
3020-01-387-8536 INTERCHANGEABLE
Insert,pulley
5330-01-389-1141021-06607 NON-ASBESTOS INTERCHANGEABLE
Gasket
Grove Valve Operations
3040-01-518-04017081-1 INTERCHANGEABLE
Connecting Link,rigid
Tyee Aircraft Inc Div Tyee Aircraft
5310-01-559-393670811 INTERCHANGEABLE
Nut,plain,hexagon
Fastenal Company Div Flpan
Cross-Reference Index
Part NumberManufacturer
70811 PRIMARY Cummins Inc. (USA)
Related Parts
3110-00-100-3625INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
1240077H1
5935-01-240-4122INTERCHANGEABLE
ADAPTER,CONNECTOR
10556106
3020-01-387-8536INTERCHANGEABLE
INSERT,PULLEY
5330-01-389-1141INTERCHANGEABLE
GASKET
021-06607 NON-ASBESTOS
3040-01-518-0401INTERCHANGEABLE
CONNECTING LINK,RIGID
7081-1
5310-01-559-3936INTERCHANGEABLE
NUT,PLAIN,HEXAGON
70811

Frequently Asked Questions

What is NSN 5310-00-550-8124?

NSN 5310-00-550-8124 is a Washer,flat, manufactured by Cummins Inc., classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-550-8124?

NSN 5310-00-550-8124 has 1 cross-referenced part number: 70811 (Cummins Inc.).

What NSN replaces 5310-00-550-8124?

There are 6 known substitutes for 5310-00-550-8124: 3110-00-100-3625, 5935-01-240-4122, 3020-01-387-8536 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 70811?

Key specifications for 70811: Material: STEEL OVERALL; Overall Diameter: 0.640 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN; Center Hole Shape Style: ROUND; Cross-Sectional Shape Style: RECTANGULAR. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-550-8124 still in active supply?

NSN 5310-00-550-8124 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