PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A14207Washer,key

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 5310-00-448-6646 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-448-6646 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-448-6646. Primary manufacturer part number: A14207.
Features
  • Washer,key — FSC 5310
  • External Prebent Key Width: 0.234 INCHES NOMINAL IN
  • Material Document and Classification: AMS 5040 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Internal Prebent Key Angle: 90.0 DEGREES NOMINAL
  • Overall Distance Including Keys: 2.156 INCHES NOMINAL IN
  • Internal Key Quantity: 6
  • External Prebent Key Angle: 45.0 DEGREES NOMINAL
  • Style Designator: EXTERNAL AND INTERNAL PRE-BENT KEYS
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1010 Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-00-448-6646, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-448-6646
Primary Part NumberA14207
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusCANCELLED
External Prebent Key Width0.234 INCHES NOMINAL IN
Material Document and ClassificationAMS 5040 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Internal Prebent Key Angle90.0 DEGREES NOMINAL
Overall Distance Including Keys2.156 INCHES NOMINAL IN
Internal Key Quantity6
External Prebent Key Angle45.0 DEGREES NOMINAL
Style DesignatorEXTERNAL AND INTERNAL PRE-BENT KEYS
Material Thickness0.058 INCHES NOMINAL IN
Outside Diameter1.844 INCHES NOMINAL IN
External Key Quantity2
Internal Prebent Key Length0.094 INCHES NOMINAL IN
Internal Prebent Key Width0.172 INCHES NOMINAL IN
Hole Diameter1.578 INCHES NOMINAL IN
MaterialSTEEL COMP 1010 OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5330-00-071-88630142070000 INTERCHANGEABLE
Seal,piston
Parker Hannifin Corporation Dba Pneutronics Div Cylinder Division
5962-00-138-524714207 INTERCHANGEABLE
Microcircuit,linear
Astronautics Corporation of America
4140-00-570-343114-207 INTERCHANGEABLE
Support,rear Bearing
Buffalo Turbine Defense Llc
2540-00-706-96617069661 INTERCHANGEABLE
Rail
U S Army Tank Automotive Command Amsta-Im-Mm
5930-01-154-6300 INTERCHANGEABLE
Switch,push
3040-01-226-46801540619A32 INTERCHANGEABLE
Housing,rear
Prestolite Electric Inc
5305-01-556-661714207 INTERCHANGEABLE
Screw,machine
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
A14207 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
14207 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
Related Parts
5330-00-071-8863INTERCHANGEABLE
SEAL,PISTON
0142070000
5962-00-138-5247INTERCHANGEABLE
MICROCIRCUIT,LINEAR
14207
4140-00-570-3431INTERCHANGEABLE
SUPPORT,REAR BEARING
14-207
2540-00-706-9661INTERCHANGEABLE
RAIL
7069661
5930-01-154-6300INTERCHANGEABLE
SWITCH,PUSH
3040-01-226-4680INTERCHANGEABLE
HOUSING,REAR
1540619A32
5305-01-556-6617INTERCHANGEABLE
SCREW,MACHINE
14207

Frequently Asked Questions

What is NSN 5310-00-448-6646?

NSN 5310-00-448-6646 is a Washer,key, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-448-6646?

NSN 5310-00-448-6646 has 2 cross-referenced part numbers: A14207 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 14207 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).

What NSN replaces 5310-00-448-6646?

There are 7 known substitutes for 5310-00-448-6646: 5330-00-071-8863, 5962-00-138-5247, 4140-00-570-3431 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A14207?

Key specifications for A14207: External Prebent Key Width: 0.234 INCHES NOMINAL IN; Material Document and Classification: AMS 5040 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Internal Prebent Key Angle: 90.0 DEGREES NOMINAL; Overall Distance Including Keys: 2.156 INCHES NOMINAL IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-448-6646 still in active supply?

NSN 5310-00-448-6646 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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