PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20406Washer,keyway

Ge Aviation Systems Llc · NSN 5310-00-595-7617 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-595-7617 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-595-7617. Primary manufacturer part number: 20406.
Features
  • Washer,keyway — FSC 5310
  • Internal Keyway Width: 0.064 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
  • Outside Diameter: 0.484 INCHES NOMINAL IN
  • Internal Keyway Quantity: 1
  • Distance From Centerline to Bottom of Internal Keyway: 0.157 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN
  • Material: STEEL COMP 1010 OVERALL
  • Material Thickness: 0.005 INCHES NOMINAL IN
  • Hole Diameter: 0.225 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1010 Overall construction
General Description

The Washer,keyway, cataloged under National Stock Number 5310-00-595-7617, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ge Aviation Systems Llc. Government technical data includes 8 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-595-7617
Primary Part Number20406
Item NameWasher,keyway
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerGe Aviation Systems Llc
StatusCANCELLED
Internal Keyway Width0.064 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
Outside Diameter0.484 INCHES NOMINAL IN
Internal Keyway Quantity1
Distance From Centerline to Bottom of Internal Keyway0.157 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN
MaterialSTEEL COMP 1010 OVERALL
Material Thickness0.005 INCHES NOMINAL IN
Hole Diameter0.225 INCHES NOMINAL IN
Material Document and ClassificationQQ-S-698 TEMPER 5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-156-6804654-1 INTERCHANGEABLE
Bearing,ball,annular
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5940-00-279-97122040-6 INTERCHANGEABLE
Terminal,lug
Brainin-Advance Industries, Llc
5975-00-372-37352150 INTERCHANGEABLE
Coupling,electrical Conduit
Raco, a Division of Hubbell Incorporated(delaware)
6610-00-514-578820406 INTERCHANGEABLE
Indicator,attitude
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
5365-00-564-778920406 INTERCHANGEABLE
Plug,machine Thread
Parker-Hannifin Corporation Dba Control Systems Division
3040-00-878-4204 INTERCHANGEABLE
Shaft,straight
4730-00-906-7922 INTERCHANGEABLE
Sleeve,compression,tube-Hose Fit
5940-01-012-680710-503-8 INTERCHANGEABLE
Terminal,feedthru
Concord Electronics, Inc.
5915-01-092-640292128 INTERCHANGEABLE
Filter,band Pass
Drs Signal Solutions, Inc.
7050-01-280-9259 INTERCHANGEABLE
Converter,digital to Analog
Cross-Reference Index
Part NumberManufacturer
20406 Ge Aviation Systems Llc (USA)
20406 Safran Power Usa Llc (USA)
20406 Lucas Aerospace Power Equipment Corporation (USA)
Related Parts
3110-00-156-6804INTERCHANGEABLE
BEARING,BALL,ANNULAR
654-1
5940-00-279-9712INTERCHANGEABLE
TERMINAL,LUG
2040-6
5975-00-372-3735INTERCHANGEABLE
COUPLING,ELECTRICAL CONDUIT
2150
6610-00-514-5788INTERCHANGEABLE
INDICATOR,ATTITUDE
20406
5365-00-564-7789INTERCHANGEABLE
PLUG,MACHINE THREAD
20406
3040-00-878-4204INTERCHANGEABLE
SHAFT,STRAIGHT
4730-00-906-7922INTERCHANGEABLE
SLEEVE,COMPRESSION,TUBE-HOSE FIT
5940-01-012-6807INTERCHANGEABLE
TERMINAL,FEEDTHRU
10-503-8
5915-01-092-6402INTERCHANGEABLE
FILTER,BAND PASS
92128
7050-01-280-9259INTERCHANGEABLE
CONVERTER,DIGITAL TO ANALOG
3040-01-312-1321INTERCHANGEABLE
SHAFT,SHOULDERED
20406
4320-01-321-8483INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
20406

Frequently Asked Questions

What is NSN 5310-00-595-7617?

NSN 5310-00-595-7617 is a Washer,keyway, manufactured by Ge Aviation Systems Llc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-595-7617?

NSN 5310-00-595-7617 has 3 cross-referenced part numbers: 20406 (Ge Aviation Systems Llc), 20406 (Safran Power Usa Llc), 20406 (Lucas Aerospace Power Equipment Corporation).

What NSN replaces 5310-00-595-7617?

There are 12 known substitutes for 5310-00-595-7617: 3110-00-156-6804, 5940-00-279-9712, 5975-00-372-3735 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20406?

Key specifications for 20406: Internal Keyway Width: 0.064 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN; Outside Diameter: 0.484 INCHES NOMINAL IN; Internal Keyway Quantity: 1; Distance From Centerline to Bottom of Internal Keyway: 0.157 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-595-7617 still in active supply?

NSN 5310-00-595-7617 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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