PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50014Washer,key

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 5310-00-638-8007 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-638-8007 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-638-8007. Primary manufacturer part number: 50014.
Features
  • Washer,key — FSC 5310
  • Internal Straight Key Width: 0.182 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
  • Surface Treatment: OXIDE FILM OVERALL
  • Hole Diameter: 1.313 INCHES MINIMUM AND 1.315 INCHES MAXIMUM IN
  • Material Thickness: 0.059 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN
  • Outside Diameter: 1.678 INCHES MINIMUM AND 1.698 INCHES MAXIMUM IN
  • Material Document and Classification: MIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL OVERALL
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 5310-00-638-8007, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Parker Hannifin Corporation Div Hydraulic Systems Division. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN5310-00-638-8007
Primary Part Number50014
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
StatusCANCELLED
Internal Straight Key Width0.182 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
Surface TreatmentOXIDE FILM OVERALL
Hole Diameter1.313 INCHES MINIMUM AND 1.315 INCHES MAXIMUM IN
Material Thickness0.059 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN
Outside Diameter1.678 INCHES MINIMUM AND 1.698 INCHES MAXIMUM IN
Material Document and ClassificationMIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL OVERALL
Internal Key Quantity2
Hardness Rating58.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM
Style DesignatorKEY
Distance From Centerline to Top of Internal Key0.530 INCHES MINIMUM AND 0.532 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3040-00-356-3235SC-C-69491 INTERCHANGEABLE
Lever,manual Control
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5331-00-410-296550-014 INTERCHANGEABLE
O-Ring
James Walker & Co Ltd
5930-00-410-5463 INTERCHANGEABLE
Switch,rotary
5970-00-480-1329 INTERCHANGEABLE
Tape,insulation,electrical
4730-00-701-2853500-1-4 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Swagelok Co
5930-00-729-373110033232-3 INTERCHANGEABLE
Switch,rotary
Us Army Aviation and Missile Command
5905-00-963-80741088977-2 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5930-00-981-2187 INTERCHANGEABLE
Switch,oven
4320-01-034-9960 INTERCHANGEABLE
Piston
3020-01-181-629250014 INTERCHANGEABLE
Pinion
Republic Machinery Co Inc Dba Republic Lagun Machine Tool Co
Cross-Reference Index
Part NumberManufacturer
35-17543Z Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
35-17543Z Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA)
50014 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
Related Parts
3040-00-356-3235INTERCHANGEABLE
LEVER,MANUAL CONTROL
SC-C-69491
5331-00-410-2965INTERCHANGEABLE
O-RING
50-014
5930-00-410-5463INTERCHANGEABLE
SWITCH,ROTARY
5970-00-480-1329INTERCHANGEABLE
TAPE,INSULATION,ELECTRICAL
4730-00-701-2853INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
500-1-4
5930-00-729-3731INTERCHANGEABLE
SWITCH,ROTARY
10033232-3
5905-00-963-8074INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
1088977-2
5930-00-981-2187INTERCHANGEABLE
SWITCH,OVEN
4320-01-034-9960INTERCHANGEABLE
PISTON
3020-01-181-6292INTERCHANGEABLE
PINION
50014
8145-01-519-1621INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,E
7345534
3040-01-682-9770INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
5-0014

Frequently Asked Questions

What is NSN 5310-00-638-8007?

NSN 5310-00-638-8007 is a Washer,key, manufactured by Parker Hannifin Corporation Div Hydraulic Systems Division, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-638-8007?

NSN 5310-00-638-8007 has 3 cross-referenced part numbers: 35-17543Z (Parker Hannifin Corporation Div Hydraulic Systems Division), 35-17543Z (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division), 50014 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 5310-00-638-8007?

There are 12 known substitutes for 5310-00-638-8007: 3040-00-356-3235, 5331-00-410-2965, 5930-00-410-5463 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50014?

Key specifications for 50014: Internal Straight Key Width: 0.182 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN; Surface Treatment: OXIDE FILM OVERALL; Hole Diameter: 1.313 INCHES MINIMUM AND 1.315 INCHES MAXIMUM IN; Material Thickness: 0.059 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-638-8007 still in active supply?

NSN 5310-00-638-8007 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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