PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CA6644PC3Key,woodruff

Air & Liquid Systems Corporation Dba Buffalo Pumps · NSN 5315-00-221-5376 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-00-221-5376 — this item is cataloged by the U.S. Government under National Stock Number 5315-00-221-5376. Primary manufacturer part number: CA6644PC3.
Features
  • Key,woodruff — FSC 5315
  • Circle Diameter: 0.625 INCHES NOMINAL IN
  • Starting Edge Shape: ROUND
  • Key Height: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
  • Thickness: 0.156 INCHES NOMINAL IN
  • Starting Edge Radius: 0.010 INCHES NOMINAL IN
  • Key Size Designation: WOODRUFF 6
  • Style Designator: ROUND BOTTOM
Applications
  • Applications requiring Nickel Alloy 400 Overall construction
General Description

The Key,woodruff, cataloged under National Stock Number 5315-00-221-5376, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Air & Liquid Systems Corporation Dba Buffalo Pumps. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5315-00-221-5376
Primary Part NumberCA6644PC3
Item NameKey,woodruff
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerAir & Liquid Systems Corporation Dba Buffalo Pumps
StatusACTIVE
Circle Diameter0.625 INCHES NOMINAL IN
Starting Edge ShapeROUND
Key Height0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Thickness0.156 INCHES NOMINAL IN
Starting Edge Radius0.010 INCHES NOMINAL IN
Key Size DesignationWOODRUFF 6
Style DesignatorROUND BOTTOM
Material Document and ClassificationMIL-N-894,CL A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialNICKEL ALLOY 400 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-277-9517 INTERCHANGEABLE
Wrench,open End
5660-00-324-3611 INTERCHANGEABLE
Rail End
1650-00-593-5105728-1 INTERCHANGEABLE
Valve,relief,hydraulic
Huck International, Inc. Div Kingston Operations
5840-00-732-082972-8 INTERCHANGEABLE
Strainer
Kraissl Co Inc the
8455-00-753-6248 INTERCHANGEABLE
Aiguillette
5340-00-820-124710047873 INTERCHANGEABLE
Clamp,loop
Us Army Aviation and Missile Command
5310-00-934-9757MS35649-282 INTERCHANGEABLE
Nut,plain,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-00-969-6502NAS1397R5 INTERCHANGEABLE
Clamp,loop
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
8310-01-061-7136 INTERCHANGEABLE
Yarn
4730-01-094-7487728 INTERCHANGEABLE
Coupling Half,quick Disconnect
Milton Industries, Inc
Cross-Reference Index
Part NumberManufacturer
CA6644PC3 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
CA5764PC8 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
CA6620PC3 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
CA6778PC3 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
CA5436PC5 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
CA6526PC3 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
CA6600PC3 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
CA6189PC9 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
CA5763PC8 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
CA6100PC9 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
CA6702PC3 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
CA6287PC6 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
CA6655PC3 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
CA6088PC8 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
CA5437ALT1PC5 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
CA6628PC3 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
CA6830PC27 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
CA5929PC3 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
CA5318PC6 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
CA6582PC8 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
Related Parts
5120-00-277-9517INTERCHANGEABLE
WRENCH,OPEN END
5660-00-324-3611INTERCHANGEABLE
RAIL END
1650-00-593-5105INTERCHANGEABLE
VALVE,RELIEF,HYDRAULIC
728-1
5840-00-732-0829INTERCHANGEABLE
STRAINER
72-8
8455-00-753-6248INTERCHANGEABLE
AIGUILLETTE
5340-00-820-1247INTERCHANGEABLE
CLAMP,LOOP
10047873
5310-00-934-9757INTERCHANGEABLE
NUT,PLAIN,HEXAGON
MS35649-282
5340-00-969-6502INTERCHANGEABLE
CLAMP,LOOP
NAS1397R5
8310-01-061-7136INTERCHANGEABLE
YARN
4730-01-094-7487INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
728
6505-01-204-9754INTERCHANGEABLE
BARIUM SULFATE SUSPENSION
254025
4820-01-211-8534INTERCHANGEABLE
HOLDER,DISK,VALVE
728-00

Frequently Asked Questions

What is NSN 5315-00-221-5376?

NSN 5315-00-221-5376 is a Key,woodruff, manufactured by Air & Liquid Systems Corporation Dba Buffalo Pumps, classified under FSC 5315 (No Item Name Available). Status: active.

What are the part numbers for NSN 5315-00-221-5376?

NSN 5315-00-221-5376 has 50 cross-referenced part numbers: CA6644PC3 (Air & Liquid Systems Corporation Dba Buffalo Pumps), CA5764PC8 (Air & Liquid Systems Corporation Dba Buffalo Pumps), CA6620PC3 (Air & Liquid Systems Corporation Dba Buffalo Pumps), CA6778PC3 (Air & Liquid Systems Corporation Dba Buffalo Pumps), CA5436PC5 (Air & Liquid Systems Corporation Dba Buffalo Pumps) and 45 more.

What NSN replaces 5315-00-221-5376?

There are 12 known substitutes for 5315-00-221-5376: 5120-00-277-9517, 5660-00-324-3611, 1650-00-593-5105 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CA6644PC3?

Key specifications for CA6644PC3: Circle Diameter: 0.625 INCHES NOMINAL IN; Starting Edge Shape: ROUND; Key Height: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Thickness: 0.156 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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