PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7696521Washer,key

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5310-00-769-6521 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-769-6521 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-769-6521. Primary manufacturer part number: 7696521.
Features
  • Washer,key — FSC 5310
  • Style Designator: KEY
  • Material: STEEL COMP 1020 OVERALL
  • Internal Prebent Key Width: 0.224 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN
  • Material Thickness: 0.0498 INCHES MINIMUM AND 0.0698 INCHES MAXIMUM IN
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Hole Diameter: 1.641 INCHES MINIMUM AND 1.656 INCHES MAXIMUM IN
  • Outside Diameter: 2.531 INCHES MINIMUM AND 2.625 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1020 Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-00-769-6521, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 12 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
NSN5310-00-769-6521
Primary Part Number7696521
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusCANCELLED
Style DesignatorKEY
MaterialSTEEL COMP 1020 OVERALL
Internal Prebent Key Width0.224 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN
Material Thickness0.0498 INCHES MINIMUM AND 0.0698 INCHES MAXIMUM IN
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Hole Diameter1.641 INCHES MINIMUM AND 1.656 INCHES MAXIMUM IN
Outside Diameter2.531 INCHES MINIMUM AND 2.625 INCHES MAXIMUM IN
Internal Prebent Key Length0.1225 INCHES MINIMUM AND 0.1425 INCHES MAXIMUM IN
Distance From Centerline to Inside of Prebent Key0.672 INCHES MINIMUM AND 0.703 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5920-00-156-0837143M INTERCHANGEABLE
Fuse,indicator Alarm
Reliance Comm/tec Corp Lorain Products Div
5950-00-203-3955587AS140-1 INTERCHANGEABLE
Transformer,power
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5962-00-484-7803170-17 INTERCHANGEABLE
Microcircuit,linear
Burr-Brown Corp
1610-00-525-2027A867 INTERCHANGEABLE
Ring,split Featheri
Hartzell Propeller Llc
5310-00-637-9541019-00004-42 INTERCHANGEABLE
Washer,lock
Kovatch Corp.
4920-00-701-9006A867 INTERCHANGEABLE
Test Set,indicator
Ametek Inc Div Aerospace and Defense
4820-00-872-1200 INTERCHANGEABLE
Valve,regulating,fluid Pressure
5915-00-979-39321988174PC5 INTERCHANGEABLE
Filter,radio Frequency Interfere
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
1005-00-999-8815 INTERCHANGEABLE
Ejector,cartridge
5360-01-155-719317017 INTERCHANGEABLE
Spring
Hardware Products Co Inc
Cross-Reference Index
Part NumberManufacturer
R21163 Pressed Metals of America Inc (USA)
17017 Dana Corp Spicer Transmission Div (USA)
17017 Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products (USA)
GP1124 Ford Motor Company (USA)
G503-7696521 Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products (USA)
A867 Kenosha Automotive Plant Sub of American Motors Corp (USA)
GP1124 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
95019 Stepco Corp (USA)
7696521 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
460A3-130 Roper Industries Inc Roper Pump Co Div (USA)
A867 Chrysler Corp Engine and Components Sales Diversified Products Div (USA)
A867 Am General Llc (USA)
73-1348 Anthony York Co (USA)
Related Parts
5920-00-156-0837INTERCHANGEABLE
FUSE,INDICATOR ALARM
143M
5950-00-203-3955INTERCHANGEABLE
TRANSFORMER,POWER
587AS140-1
5962-00-484-7803INTERCHANGEABLE
MICROCIRCUIT,LINEAR
170-17
1610-00-525-2027INTERCHANGEABLE
RING,SPLIT FEATHERI
A867
5310-00-637-9541INTERCHANGEABLE
WASHER,LOCK
019-00004-42
4920-00-701-9006INTERCHANGEABLE
TEST SET,INDICATOR
A867
4820-00-872-1200INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
5915-00-979-3932INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
1988174PC5
1005-00-999-8815INTERCHANGEABLE
EJECTOR,CARTRIDGE
5360-01-155-7193INTERCHANGEABLE
SPRING
17017
4220-01-169-4517INTERCHANGEABLE
YOKE,URETHANE
520-117
5355-01-188-4596INTERCHANGEABLE
KNOB
17017

Frequently Asked Questions

What is NSN 5310-00-769-6521?

NSN 5310-00-769-6521 is a Washer,key, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-769-6521?

NSN 5310-00-769-6521 has 13 cross-referenced part numbers: R21163 (Pressed Metals of America Inc), 17017 (Dana Corp Spicer Transmission Div), 17017 (Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products), GP1124 (Ford Motor Company), G503-7696521 (Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products) and 8 more.

What NSN replaces 5310-00-769-6521?

There are 12 known substitutes for 5310-00-769-6521: 5920-00-156-0837, 5950-00-203-3955, 5962-00-484-7803 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7696521?

Key specifications for 7696521: Style Designator: KEY; Material: STEEL COMP 1020 OVERALL; Internal Prebent Key Width: 0.224 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN; Material Thickness: 0.0498 INCHES MINIMUM AND 0.0698 INCHES MAXIMUM IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-769-6521 still in active supply?

NSN 5310-00-769-6521 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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