PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26594Washer,key

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 5310-00-209-2680 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-209-2680 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-209-2680. Primary manufacturer part number: 26594.
Features
  • Washer,key — FSC 5310
  • External Key Quantity: 6
  • Material: STEEL OVERALL
  • Material Document and Classification: AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material Thickness: 0.042 INCHES NOMINAL IN
  • Internal Prebent Key Width: 0.107 INCHES NOMINAL IN
  • Angle Between Second and Third Key: 30.0 DEGREES NOMINAL
  • Overall Distance Including Keys: 2.824 INCHES NOMINAL IN
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 5310-00-209-2680, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN5310-00-209-2680
Primary Part Number26594
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusCANCELLED
External Key Quantity6
MaterialSTEEL OVERALL
Material Document and ClassificationAMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Material Thickness0.042 INCHES NOMINAL IN
Internal Prebent Key Width0.107 INCHES NOMINAL IN
Angle Between Second and Third Key30.0 DEGREES NOMINAL
Overall Distance Including Keys2.824 INCHES NOMINAL IN
Angle Between First and Second Key30.0 DEGREES NOMINAL
External Prebent Key Width0.226 INCHES NOMINAL IN
Angle Between Fifth and Sixth Key30.0 DEGREES NOMINAL
Angle Between Third and Fourth Key134.0 DEGREES NOMINAL
Angle Between Fourth and Fifth Key30.0 DEGREES NOMINAL
Internal Prebent Key Length0.123 INCHES NOMINAL IN
External Straight Key Width0.219 INCHES NOMINAL IN
Outside Diameter2.375 INCHES NOMINAL IN
Hole Diameter1.962 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
3455-00-293-052508880 INTERCHANGEABLE
Cutter,milling,metal Slitting
Niagara Cutter Inc
6680-00-569-107026594 INTERCHANGEABLE
Coil,thermostat
Briggs and Stratton Corp
3040-00-697-2663 INTERCHANGEABLE
Gearshaft,worm Wheel
5315-00-900-7247MS16562-160 INTERCHANGEABLE
Pin,spring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
6625-01-090-427426594 INTERCHANGEABLE
Ammeter
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
5999-01-194-989926594 INTERCHANGEABLE
Contact,electrical
Conductix Inc Div Conductix Wampfler
5330-01-215-39459387225 INTERCHANGEABLE
Gasket
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
Cross-Reference Index
Part NumberManufacturer
26594 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
5310CH37-016-3 Us Army Aviation and Missile Command (USA)
Related Parts
3455-00-293-0525INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
08880
6680-00-569-1070INTERCHANGEABLE
COIL,THERMOSTAT
26594
3040-00-697-2663INTERCHANGEABLE
GEARSHAFT,WORM WHEEL
5315-00-900-7247INTERCHANGEABLE
PIN,SPRING
MS16562-160
6625-01-090-4274INTERCHANGEABLE
AMMETER
26594
5999-01-194-9899INTERCHANGEABLE
CONTACT,ELECTRICAL
26594
5330-01-215-3945INTERCHANGEABLE
GASKET
9387225

Frequently Asked Questions

What is NSN 5310-00-209-2680?

NSN 5310-00-209-2680 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 5310-00-209-2680?

NSN 5310-00-209-2680 has 2 cross-referenced part numbers: 26594 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 5310CH37-016-3 (Us Army Aviation and Missile Command).

What NSN replaces 5310-00-209-2680?

There are 7 known substitutes for 5310-00-209-2680: 3455-00-293-0525, 6680-00-569-1070, 3040-00-697-2663 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 26594?

Key specifications for 26594: External Key Quantity: 6; Material: STEEL OVERALL; Material Document and Classification: AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material Thickness: 0.042 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-209-2680 still in active supply?

NSN 5310-00-209-2680 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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