PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet
MRO / Hardware and Abrasives / 5310-00-639-2159

W11Washer,key

Skf Usa Inc. · NSN 5310-00-639-2159 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-639-2159 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-639-2159. Primary manufacturer part number: W11.
AF 2.188 INCHES NOMINAL IN H 0.250 INCHES NOMINAL IN NUT + WASHER
5310-00-639-2159 — No Item Name Available illustration
Features
  • Washer,key — FSC 5310
  • Internal Prebent Key Width: 0.250 INCHES NOMINAL IN
  • Overall Distance Including Keys: 3.109 INCHES NOMINAL IN
  • Outside Diameter: 2.656 INCHES NOMINAL IN
  • Hole Diameter: 2.188 INCHES NOMINAL IN
  • External Prebent Key Width: 0.219 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • External Key Quantity: 17
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-00-639-2159, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Skf Usa Inc.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-639-2159
Primary Part NumberW11
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusCANCELLED
Internal Prebent Key Width0.250 INCHES NOMINAL IN
Overall Distance Including Keys3.109 INCHES NOMINAL IN
Outside Diameter2.656 INCHES NOMINAL IN
Hole Diameter2.188 INCHES NOMINAL IN
External Prebent Key Width0.219 INCHES NOMINAL IN
MaterialSTEEL OVERALL
External Key Quantity17
Material Thickness0.063 INCHES NOMINAL IN
Style DesignatorKEY
Internal Prebent Key Length0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
⇄ Verified Substitutes 9
5310-00-186-0970 INTERCHANGEABLE
Washer,key
5310-00-209-0965MS35338-47 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
3020-00-274-6605 INTERCHANGEABLE
Gear,helical
5310-00-291-9908514828 INTERCHANGEABLE
Washer,flat
Atwood Fence Co Inc
5310-00-579-6883S8154-1-025C INTERCHANGEABLE
Washer,flat
Honeywell International Inc. Div Aerospace - Torrance
3820-00-766-766411375 INTERCHANGEABLE
Adjuster,auger
Terex Reedrill Dba Reedrill Texoma Div Terex Mining
5315-01-191-7137 INTERCHANGEABLE
Pin,spring
5330-01-298-3050W11 INTERCHANGEABLE
Seal,plain
Emglo Products Corp
5999-01-414-9132W11 INTERCHANGEABLE
Heater,thermal Release
Rockwell Automation, Inc. Dba Rockwell Automation
Cross-Reference Index
Part NumberManufacturer
W11 Skf Usa Inc. (USA)
W11 General Motors Llc Dba General Motors Llc (USA)
W11 General Motors Corp Delco Moraine Ndh Div (USA)
W11 General Motors Corp (USA)
Related Parts
5310-00-186-0970INTERCHANGEABLE
WASHER,KEY
5310-00-209-0965INTERCHANGEABLE
WASHER,LOCK
MS35338-47
3020-00-274-6605INTERCHANGEABLE
GEAR,HELICAL
5310-00-291-9908INTERCHANGEABLE
WASHER,FLAT
514828
5310-00-579-6883INTERCHANGEABLE
WASHER,FLAT
S8154-1-025C
3820-00-766-7664INTERCHANGEABLE
ADJUSTER,AUGER
11375
5315-01-191-7137INTERCHANGEABLE
PIN,SPRING
5330-01-298-3050INTERCHANGEABLE
SEAL,PLAIN
W11
5999-01-414-9132INTERCHANGEABLE
HEATER,THERMAL RELEASE
W11

Frequently Asked Questions

What is NSN 5310-00-639-2159?

NSN 5310-00-639-2159 is a Washer,key, manufactured by Skf Usa Inc., classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-639-2159?

NSN 5310-00-639-2159 has 4 cross-referenced part numbers: W11 (Skf Usa Inc.), W11 (General Motors Llc Dba General Motors Llc), W11 (General Motors Corp Delco Moraine Ndh Div), W11 (General Motors Corp).

What NSN replaces 5310-00-639-2159?

There are 9 known substitutes for 5310-00-639-2159: 5310-00-186-0970, 5310-00-209-0965, 3020-00-274-6605 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W11?

Key specifications for W11: Internal Prebent Key Width: 0.250 INCHES NOMINAL IN; Overall Distance Including Keys: 3.109 INCHES NOMINAL IN; Outside Diameter: 2.656 INCHES NOMINAL IN; Hole Diameter: 2.188 INCHES NOMINAL IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-639-2159 still in active supply?

NSN 5310-00-639-2159 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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