PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PYC202Washer,key

Clark Equipment Co · NSN 5310-00-638-2880 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-638-2880 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-638-2880. Primary manufacturer part number: PYC202.
Features
  • Washer,key — FSC 5310
  • Material Thickness: 0.037 INCHES NOMINAL IN
  • External Prebent Key Length: 0.188 INCHES NOMINAL IN
  • Hole Diameter: 0.958 INCHES NOMINAL IN
  • Distance From Centerline to Inside of Prebent Key: 0.750 INCHES NOMINAL IN
  • External Prebent Key Width: 0.234 INCHES NOMINAL IN
  • External Key Quantity: 1
  • Outside Diameter: 1.664 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 5310-00-638-2880, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Clark Equipment Co. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 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
NSN5310-00-638-2880
Primary Part NumberPYC202
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerClark Equipment Co
StatusCANCELLED
Material Thickness0.037 INCHES NOMINAL IN
External Prebent Key Length0.188 INCHES NOMINAL IN
Hole Diameter0.958 INCHES NOMINAL IN
Distance From Centerline to Inside of Prebent Key0.750 INCHES NOMINAL IN
External Prebent Key Width0.234 INCHES NOMINAL IN
External Key Quantity1
Outside Diameter1.664 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Style DesignatorKEY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5930-00-132-82839280 INTERCHANGEABLE
Switch,push
Cole Hersee Company
4730-00-146-6827 INTERCHANGEABLE
Reducer,tube
5960-00-179-4749 INTERCHANGEABLE
Electron Tube
5325-00-266-6623117786 INTERCHANGEABLE
Grommet,nonmetallic
Dne Technologies, Inc
3030-00-269-9724 INTERCHANGEABLE
Belt,v
5325-00-270-887010525 INTERCHANGEABLE
Grommet,nonmetallic
Clayton Manufacturing Company
5821-00-311-7861 INTERCHANGEABLE
Slide,snapslide,fas
5960-00-617-8678 INTERCHANGEABLE
Electron Tube
5960-00-685-9082122828 INTERCHANGEABLE
Electron Tube
Lds Test and Measurement Llc
4820-00-805-422741-222-04 INTERCHANGEABLE
Cock,plug
Aalberts Integrated Piping Systems Americas, Inc.
Cross-Reference Index
Part NumberManufacturer
PYC202 Clark Equipment Co (USA)
851117 Clark Equipment Co (USA)
5687 Mitsubishi Caterpillar Forklift America, Inc (USA)
851117 Clark Material Handling Company (USA)
PYC202 Clark Material Handling Company (USA)
109214 Hyster-Yale Group, Inc. (USA)
PYC202 Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA)
PYC202 H20 Tank Inc U S Motors Div (USA)
Related Parts
5930-00-132-8283INTERCHANGEABLE
SWITCH,PUSH
9280
4730-00-146-6827INTERCHANGEABLE
REDUCER,TUBE
5960-00-179-4749INTERCHANGEABLE
ELECTRON TUBE
5325-00-266-6623INTERCHANGEABLE
GROMMET,NONMETALLIC
117786
3030-00-269-9724INTERCHANGEABLE
BELT,V
5325-00-270-8870INTERCHANGEABLE
GROMMET,NONMETALLIC
10525
5821-00-311-7861INTERCHANGEABLE
SLIDE,SNAPSLIDE,FAS
5960-00-617-8678INTERCHANGEABLE
ELECTRON TUBE
5960-00-685-9082INTERCHANGEABLE
ELECTRON TUBE
122828
4820-00-805-4227INTERCHANGEABLE
COCK,PLUG
41-222-04
5960-00-864-9837INTERCHANGEABLE
ELECTRON TUBE
4920-00-929-9343INTERCHANGEABLE
ADAPTER,TEST
5687

Frequently Asked Questions

What is NSN 5310-00-638-2880?

NSN 5310-00-638-2880 is a Washer,key, manufactured by Clark Equipment Co, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-638-2880?

NSN 5310-00-638-2880 has 8 cross-referenced part numbers: PYC202 (Clark Equipment Co), 851117 (Clark Equipment Co), 5687 (Mitsubishi Caterpillar Forklift America, Inc), 851117 (Clark Material Handling Company), PYC202 (Clark Material Handling Company) and 3 more.

What NSN replaces 5310-00-638-2880?

There are 12 known substitutes for 5310-00-638-2880: 5930-00-132-8283, 4730-00-146-6827, 5960-00-179-4749 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PYC202?

Key specifications for PYC202: Material Thickness: 0.037 INCHES NOMINAL IN; External Prebent Key Length: 0.188 INCHES NOMINAL IN; Hole Diameter: 0.958 INCHES NOMINAL IN; Distance From Centerline to Inside of Prebent Key: 0.750 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-638-2880 still in active supply?

NSN 5310-00-638-2880 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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