PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M2022HKey,woodruff

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · NSN 5315-00-021-8217 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-00-021-8217 — this item is cataloged by the U.S. Government under National Stock Number 5315-00-021-8217. Primary manufacturer part number: M2022H.
Features
  • Key,woodruff — FSC 5315
  • Key Size Designation: WOODRUFF 61
  • Starting Edge Shape: ROUND
  • Hardness Rating: 10.0 ROCKWELL C MINIMUM OVERALL
  • Key Height: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
  • Thickness: 0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
  • Circle Diameter: 0.615 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Applications requiring Steel Comp 1035 Overall construction
General Description

The Key,woodruff, cataloged under National Stock Number 5315-00-021-8217, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5315-00-021-8217
Primary Part NumberM2022H
Item NameKey,woodruff
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusACTIVE
Key Size DesignationWOODRUFF 61
Starting Edge ShapeROUND
Hardness Rating10.0 ROCKWELL C MINIMUM OVERALL
Key Height0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Thickness0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
Circle Diameter0.615 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorROUND BOTTOM
MaterialSTEEL COMP 1035 OVERALL
Starting Edge Radius0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5315-00-043-1787MS35756-34 INTERCHANGEABLE
Key,woodruff
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5935-00-222-732082-3-4 INTERCHANGEABLE
Dummy Connector,receptacle
Lockheed Martin Corporation Div Rotary and Mission Systems
5310-00-612-606343-770 INTERCHANGEABLE
Washer,flat
Amphenol Corp Div Amphenol Aerospace Operations
4730-00-697-8561218217 INTERCHANGEABLE
Elbow,tube to Boss
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5305-00-921-0071218217 INTERCHANGEABLE
Screw,cap,socket Head
Woodward, Inc. Div Fuel Systems and Controls
2930-01-350-998743770 INTERCHANGEABLE
Impeller,fan,axial
Cummins Inc.
Cross-Reference Index
Part NumberManufacturer
M2022H PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
218217 Delphi France SAS (FRA)
218217 PRIMARY Rolls-Royce Solutions America Inc (USA)
43770 Goodrich Corporation Div Advanced Structures Landing Systems (USA)
832B Goodrich Corporation Div Advanced Structures Landing Systems (USA)
PC218217 Power Components (deutschland) Gmbh (DEU)
S6706 Goodrich Corporation Div Advanced Structures Landing Systems (USA)
S6706 PRIMARY Goodrich Corporation (USA)
43770 PRIMARY Goodrich Corporation (USA)
832B PRIMARY Goodrich Corporation (USA)
218217 PRIMARY General Motors Corp (USA)
218217 PRIMARY Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
843770 Intool Inc (USA)
Related Parts
5315-00-043-1787INTERCHANGEABLE
KEY,WOODRUFF
MS35756-34
5935-00-222-7320INTERCHANGEABLE
DUMMY CONNECTOR,RECEPTACLE
82-3-4
5310-00-612-6063INTERCHANGEABLE
WASHER,FLAT
43-770
4730-00-697-8561INTERCHANGEABLE
ELBOW,TUBE TO BOSS
218217
5305-00-921-0071INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
218217
2930-01-350-9987INTERCHANGEABLE
IMPELLER,FAN,AXIAL
43770

Frequently Asked Questions

What is NSN 5315-00-021-8217?

NSN 5315-00-021-8217 is a Key,woodruff, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 5315 (No Item Name Available). Status: active.

What are the part numbers for NSN 5315-00-021-8217?

NSN 5315-00-021-8217 has 13 cross-referenced part numbers: M2022H (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 218217 (Delphi France SAS), 218217 (Rolls-Royce Solutions America Inc), 43770 (Goodrich Corporation Div Advanced Structures Landing Systems), 832B (Goodrich Corporation Div Advanced Structures Landing Systems) and 8 more.

What NSN replaces 5315-00-021-8217?

There are 6 known substitutes for 5315-00-021-8217: 5315-00-043-1787, 5935-00-222-7320, 5310-00-612-6063 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M2022H?

Key specifications for M2022H: Key Size Designation: WOODRUFF 61; Starting Edge Shape: ROUND; Hardness Rating: 10.0 ROCKWELL C MINIMUM OVERALL; Key Height: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN. 10 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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