PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9007651-00Washer,lock

Compaq Federal Llc · NSN 5310-00-527-5781 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-527-5781 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-527-5781. Primary manufacturer part number: 9007651-00.
Features
  • Washer,lock — FSC 5310
  • Surface Treatment: CADMIUM OVERALL
  • Style Designator: FLAT EXTERNAL TEETH
  • Hole Diameter: 0.195 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
  • Material Thickness: 0.025 INCHES NOMINAL IN
  • Outside Diameter: 0.494 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN
  • 5 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-527-5781, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Compaq Federal Llc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN5310-00-527-5781
Primary Part Number9007651-00
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCompaq Federal Llc
StatusCANCELLED
Surface TreatmentCADMIUM OVERALL
Style DesignatorFLAT EXTERNAL TEETH
Hole Diameter0.195 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Material Thickness0.025 INCHES NOMINAL IN
Outside Diameter0.494 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5310-00-596-7691 INTERCHANGEABLE
Washer,lock
4920-00-651-5515A300-4-1386 INTERCHANGEABLE
Cooler,oil,test Sta
Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc
5310-01-087-9751111007 INTERCHANGEABLE
Washer,flat
Valcom Manufacturing Group Inc
4320-01-669-9877111007 INTERCHANGEABLE
Parts Kit,centrifugal Pump
Hamilton Jet, Inc.
Cross-Reference Index
Part NumberManufacturer
9007651-00 PRIMARY Compaq Federal Llc (USA)
5310PL0894324 Jednolity Indeks Materialowy - Uniform Material Index (POL)
90-07651 Compaq Federal Llc (USA)
90-07651-00 Zf Industrieantriebe Witten Gmbh (DEU)
1110-07 Itw Shakeproof Automotive Products (USA)
Related Parts
5310-00-596-7691INTERCHANGEABLE
WASHER,LOCK
4920-00-651-5515INTERCHANGEABLE
COOLER,OIL,TEST STA
A300-4-1386
5310-01-087-9751INTERCHANGEABLE
WASHER,FLAT
111007
4320-01-669-9877INTERCHANGEABLE
PARTS KIT,CENTRIFUGAL PUMP
111007

Frequently Asked Questions

What is NSN 5310-00-527-5781?

NSN 5310-00-527-5781 is a Washer,lock, manufactured by Compaq Federal Llc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-527-5781?

NSN 5310-00-527-5781 has 5 cross-referenced part numbers: 9007651-00 (Compaq Federal Llc), 5310PL0894324 (Jednolity Indeks Materialowy - Uniform Material Index), 90-07651 (Compaq Federal Llc), 90-07651-00 (Zf Industrieantriebe Witten Gmbh), 1110-07 (Itw Shakeproof Automotive Products).

What NSN replaces 5310-00-527-5781?

There are 4 known substitutes for 5310-00-527-5781: 5310-00-596-7691, 4920-00-651-5515, 5310-01-087-9751 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9007651-00?

Key specifications for 9007651-00: Surface Treatment: CADMIUM OVERALL; Style Designator: FLAT EXTERNAL TEETH; Hole Diameter: 0.195 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN; Material: STEEL OVERALL. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-527-5781 still in active supply?

NSN 5310-00-527-5781 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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