PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W-02Washer,key

Whittet-Higgins Company · NSN 5310-01-132-8554 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-132-8554 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-132-8554. Primary manufacturer part number: W-02.
Features
  • Washer,key — FSC 5310
  • Outside Diameter: 0.797 INCHES MINIMUM AND 0.827 INCHES MAXIMUM IN
  • Material: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OR STEEL COMP 303CU OR STEEL COMP 303MA OR STEEL COMP 303PB OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 304H OVERALL
  • External Key Quantity: 11
  • Style Designator: KEY
  • Internal Prebent Key Length: 0.062 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
  • Material Thickness: 0.038 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
  • Criticality Code Justification: ZZZY
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 301 or Steel Comp 302 or Steel Comp 302b or Steel Comp 303 or Steel Comp 303 Plus X or Steel Comp 303SE or Steel Comp 303CU or Steel Comp 303MA or Steel Comp 303PB or Steel Comp 304 or Steel Comp 304l or Steel Comp 304h Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-01-132-8554, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Whittet-Higgins Company. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-132-8554
Primary Part NumberW-02
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerWhittet-Higgins Company
StatusACTIVE
Outside Diameter0.797 INCHES MINIMUM AND 0.827 INCHES MAXIMUM IN
MaterialSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OR STEEL COMP 303CU OR STEEL COMP 303MA OR STEEL COMP 303PB OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 304H OVERALL
External Key Quantity11
Style DesignatorKEY
Internal Prebent Key Length0.062 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
Material Thickness0.038 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
Criticality Code JustificationZZZY
Test Data Document81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Overall Distance Including Keys1.0935 INCHES MINIMUM AND 1.1560 INCHES MAXIMUM IN
Material Document and ClassificationAISI,COND A ASSN STD ALL MATERIAL RESPONSES OVERALL
External Prebent Key Width0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
Hole Diameter0.601 INCHES MINIMUM AND 0.616 INCHES MAXIMUM IN
Special Test FeaturesSPECIAL QUALITY CONTROL TESTING
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS AND CERTIFIED FREE FROM MERCURY CONTAMINATION
Internal Prebent Key Width0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5310-00-045-3810 INTERCHANGEABLE
Washer,key
5310-00-186-0961 INTERCHANGEABLE
Washer,key
5310-00-190-2907PB19091 INTERCHANGEABLE
Washer,flat
Mission Systems Davenport Inc.
5961-00-536-1559 INTERCHANGEABLE
Semiconductor Device,diode
4820-00-606-93686636 INTERCHANGEABLE
Locknut
Eaton Aerospace, Llc Dba Jackson South
5961-00-909-7383W02 INTERCHANGEABLE
Rectifier,semiconductor Device,u
General Semiconductor Inc
5961-01-050-4843 INTERCHANGEABLE
Rectifier,semiconductor Device,u
5310-01-103-8840 INTERCHANGEABLE
Washer,key
4320-01-205-0807W0-2 INTERCHANGEABLE
Modification Kit,pumps and Compr
Circor Naval Solutions Llc Dba Warren Pumps
Cross-Reference Index
Part NumberManufacturer
W-02 Whittet-Higgins Company (USA)
905E776 ITEM 40 Fluor Marine Propulsion, Llc (USA)
W-02 Anti-Friction Bearing Mfg Assn Inc the (USA)
Related Parts
5310-00-045-3810INTERCHANGEABLE
WASHER,KEY
5310-00-186-0961INTERCHANGEABLE
WASHER,KEY
5310-00-190-2907INTERCHANGEABLE
WASHER,FLAT
PB19091
5961-00-536-1559INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
4820-00-606-9368INTERCHANGEABLE
LOCKNUT
6636
5961-00-909-7383INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE,U
W02
5961-01-050-4843INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE,U
5310-01-103-8840INTERCHANGEABLE
WASHER,KEY
4320-01-205-0807INTERCHANGEABLE
MODIFICATION KIT,PUMPS AND COMPR
W0-2

Frequently Asked Questions

What is NSN 5310-01-132-8554?

NSN 5310-01-132-8554 is a Washer,key, manufactured by Whittet-Higgins Company, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-132-8554?

NSN 5310-01-132-8554 has 3 cross-referenced part numbers: W-02 (Whittet-Higgins Company), 905E776 ITEM 40 (Fluor Marine Propulsion, Llc), W-02 (Anti-Friction Bearing Mfg Assn Inc the).

What NSN replaces 5310-01-132-8554?

There are 9 known substitutes for 5310-01-132-8554: 5310-00-045-3810, 5310-00-186-0961, 5310-00-190-2907 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W-02?

Key specifications for W-02: Outside Diameter: 0.797 INCHES MINIMUM AND 0.827 INCHES MAXIMUM IN; Material: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OR STEEL COMP 303CU OR STEEL COMP 303MA OR STEEL COMP 303PB OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 304H OVERALL; External Key Quantity: 11; Style Designator: KEY. 15 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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