PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS35756-34Key,woodruff

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5315-00-043-1787 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-00-043-1787 — this item is cataloged by the U.S. Government under National Stock Number 5315-00-043-1787. Primary manufacturer part number: MS35756-34.
Features
  • Key,woodruff — FSC 5315
  • Circle Diameter: 0.615 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
  • Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
  • Starting Edge Radius: 0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
  • Key Height: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
  • Thickness: 0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN
  • Starting Edge Shape: ROUND
  • Key Size Designation: WOODRUFF 61
Applications
  • Applications requiring Steel Comp 4130 or Steel Comp 8630 or Steel Comp 2330 Overall construction
General Description

The Key,woodruff, cataloged under National Stock Number 5315-00-043-1787, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 17 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5315-00-043-1787
Primary Part NumberMS35756-34
Item NameKey,woodruff
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Circle Diameter0.615 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
Hardness Rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
Starting Edge Radius0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
Key Height0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Thickness0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN
Starting Edge ShapeROUND
Key Size DesignationWOODRUFF 61
Style DesignatorROUND BOTTOM
Material Document and ClassificationQQ-S-624 FED SPEC ALL MATERIAL RESPONSES OR 66 FED STD ALL MATERIAL RESPONSES OVERALL
MaterialSTEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 2330 OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5315-00-021-8217218217 INTERCHANGEABLE
Key,woodruff
General Motors Corp
5935-00-222-732082-3-4 INTERCHANGEABLE
Dummy Connector,receptacle
Lockheed Martin Corporation Div Rotary and Mission Systems
5310-00-290-14068392987 INTERCHANGEABLE
Washer,flat
U S Army Tank Automotive Command Amsta-Im-Mm
3820-00-374-75534413A INTERCHANGEABLE
Bar,rifle Drifter D
Curtiss-Wright Electro-Mechanical Corporation Div Epd
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
5315-01-063-8949431787 INTERCHANGEABLE
Key,woodruff
Navistar Intl Corp Truck Br Ohio Plant
3040-01-289-066243360 INTERCHANGEABLE
Lever,manual Control
Brunswick Corp Dba Mercury Marine Div Mercury Marine
5360-01-357-86001AA-18-002 INTERCHANGEABLE
Spring,helical,compression
Allied Enterprises, Inc.
3010-01-361-4969433715 INTERCHANGEABLE
Gearcase-Motor
Brp Us Inc
Cross-Reference Index
Part NumberManufacturer
5315000431787 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
218217 Zf Industrieantriebe Witten Gmbh (DEU)
GA4927 Parker-Hannifin Corporation Dba Pneutronics Div Gas Turbine Fuel Systems Division (USA)
4413A Hercules Engine Co Inc (USA)
MS35756-34 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
431787 Army Weapons Command Attn Amswe-Ree-S (USA)
431787 General Motors Corp Delco Remy Div (USA)
43360 Compair Kellogg Div of Robertshaw Controls Co (USA)
MS35756-34 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
42-5416-500-220 Chief of Engineers Dept of Army (USA)
61 Solar Turbines Incorporated Dba Solar Turbines Incorporated (USA)
CSN55474 Curtis Dyna-Fog, Ltd. (USA)
431787 General Motors Llc Dba General Motors Llc (USA)
BGAX4-431787 Cecom Lr Center (USA)
4413A Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
70072-34 Little Giant Crane and Shovel Inc (USA)
431787 General Motors Corp (USA)
Related Parts
5315-00-021-8217INTERCHANGEABLE
KEY,WOODRUFF
218217
5935-00-222-7320INTERCHANGEABLE
DUMMY CONNECTOR,RECEPTACLE
82-3-4
5310-00-290-1406INTERCHANGEABLE
WASHER,FLAT
8392987
3820-00-374-7553INTERCHANGEABLE
BAR,RIFLE DRIFTER D
4413A
4730-00-697-8561INTERCHANGEABLE
ELBOW,TUBE TO BOSS
218217
5305-00-921-0071INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
218217
5315-01-063-8949INTERCHANGEABLE
KEY,WOODRUFF
431787
3040-01-289-0662INTERCHANGEABLE
LEVER,MANUAL CONTROL
43360
5360-01-357-8600INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
1AA-18-002
3010-01-361-4969INTERCHANGEABLE
GEARCASE-MOTOR
433715
5360-01-468-1190INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
43360

Frequently Asked Questions

What is NSN 5315-00-043-1787?

NSN 5315-00-043-1787 is a Key,woodruff, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5315 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5315-00-043-1787?

NSN 5315-00-043-1787 has 17 cross-referenced part numbers: 5315000431787 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 218217 (Zf Industrieantriebe Witten Gmbh), GA4927 (Parker-Hannifin Corporation Dba Pneutronics Div Gas Turbine Fuel Systems Division), 4413A (Hercules Engine Co Inc), MS35756-34 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 12 more.

What NSN replaces 5315-00-043-1787?

There are 11 known substitutes for 5315-00-043-1787: 5315-00-021-8217, 5935-00-222-7320, 5310-00-290-1406 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS35756-34?

Key specifications for MS35756-34: Circle Diameter: 0.615 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN; Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL; Starting Edge Radius: 0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN; Key Height: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5315-00-043-1787 still in active supply?

NSN 5315-00-043-1787 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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