PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W14Washer,key

Skf Usa Inc. · NSN 5310-00-209-3773 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-209-3773 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-209-3773. Primary manufacturer part number: W14.
Features
  • Washer,key — FSC 5310
  • Material Thickness: 0.063 INCHES NOMINAL IN
  • Internal Prebent Key Width: 0.250 INCHES NOMINAL IN
  • Overall Distance Including Keys: 3.828 INCHES NOMINAL IN
  • Hole Diameter: 2.813 INCHES NOMINAL IN
  • External Prebent Key Width: 0.219 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • External Key Quantity: 19
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 5310-00-209-3773, 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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-209-3773
Primary Part NumberW14
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusACTIVE
Material Thickness0.063 INCHES NOMINAL IN
Internal Prebent Key Width0.250 INCHES NOMINAL IN
Overall Distance Including Keys3.828 INCHES NOMINAL IN
Hole Diameter2.813 INCHES NOMINAL IN
External Prebent Key Width0.219 INCHES NOMINAL IN
MaterialSTEEL OVERALL
External Key Quantity19
Outside Diameter3.312 INCHES NOMINAL IN
Internal Prebent Key Length0.188 INCHES NOMINAL IN
Style DesignatorKEY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-226-5980 INTERCHANGEABLE
Washer,key
3820-00-290-4991 INTERCHANGEABLE
Breaker,paving
5310-00-425-2015W-14 INTERCHANGEABLE
Washer,key
Whittet-Higgins Company
3020-00-448-2782W1-4 INTERCHANGEABLE
Gear,worm Wheel
Designatronics Incorporated Div Sterling Instruments Div
5310-00-481-6481102423 INTERCHANGEABLE
Washer,lock
Paccar Winch Inc Dba Paccar Winch Division
5310-00-489-6213W14 INTERCHANGEABLE
Washer,flat
Gapi Ltd
6520-00-515-7550W14 INTERCHANGEABLE
Clamp,rubber Dam,dental
Heraeus Kulzer Inc Dental Products Div
2920-00-540-832207236A3 INTERCHANGEABLE
Spark Plug
Cnh Industrial America Llc Dba Cnh America
5340-00-813-4913W-14 INTERCHANGEABLE
Cap,protective,dust and Moisture
Caplugs Llc Dba Mokon Div Caplugs
3110-00-828-4735A3323-1 INTERCHANGEABLE
Bearing,ball,track Roller
Lockheed Martin Corporation Div Rms
Cross-Reference Index
Part NumberManufacturer
W14 PRIMARY Skf Usa Inc. (USA)
Related Parts
5310-00-226-5980INTERCHANGEABLE
WASHER,KEY
3820-00-290-4991INTERCHANGEABLE
BREAKER,PAVING
5310-00-425-2015INTERCHANGEABLE
WASHER,KEY
W-14
3020-00-448-2782INTERCHANGEABLE
GEAR,WORM WHEEL
W1-4
5310-00-481-6481INTERCHANGEABLE
WASHER,LOCK
102423
5310-00-489-6213INTERCHANGEABLE
WASHER,FLAT
W14
6520-00-515-7550INTERCHANGEABLE
CLAMP,RUBBER DAM,DENTAL
W14
2920-00-540-8322INTERCHANGEABLE
SPARK PLUG
07236A3
5340-00-813-4913INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
W-14
3110-00-828-4735INTERCHANGEABLE
BEARING,BALL,TRACK ROLLER
A3323-1
5330-00-890-6308INTERCHANGEABLE
RETAINER,PACKING
9-974-100008
5945-00-960-4813INTERCHANGEABLE
HEATER
W14

Frequently Asked Questions

What is NSN 5310-00-209-3773?

NSN 5310-00-209-3773 is a Washer,key, manufactured by Skf Usa Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-209-3773?

NSN 5310-00-209-3773 has 1 cross-referenced part number: W14 (Skf Usa Inc.).

What NSN replaces 5310-00-209-3773?

There are 12 known substitutes for 5310-00-209-3773: 5310-00-226-5980, 3820-00-290-4991, 5310-00-425-2015 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W14?

Key specifications for W14: Material Thickness: 0.063 INCHES NOMINAL IN; Internal Prebent Key Width: 0.250 INCHES NOMINAL IN; Overall Distance Including Keys: 3.828 INCHES NOMINAL IN; Hole Diameter: 2.813 INCHES NOMINAL IN. 10 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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