PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS29070-031Washer,key

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5310-00-293-9620 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-293-9620 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-293-9620. Primary manufacturer part number: MS29070-031.
Features
  • Washer,key — FSC 5310
  • Overall Distance Including Keys: 1.328 INCHES MAXIMUM IN
  • Surface Treatment: CADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL
  • Material Document and Classification: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
  • Internal Prebent Key Length: 0.062 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
  • Style Designator: KEY
  • Hole Diameter: 0.679 INCHES MINIMUM AND 0.694 INCHES MAXIMUM IN
  • Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR ASTM B633,TYPE 2,CLASS 3 ASSN STD 2ND TREATMENT RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1010 or Steel Comp 1035 Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-00-293-9620, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-293-9620
Primary Part NumberMS29070-031
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Overall Distance Including Keys1.328 INCHES MAXIMUM IN
Surface TreatmentCADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL
Material Document and ClassificationSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
Internal Prebent Key Length0.062 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
Style DesignatorKEY
Hole Diameter0.679 INCHES MINIMUM AND 0.694 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationQQ-P-416,TYPE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR ASTM B633,TYPE 2,CLASS 3 ASSN STD 2ND TREATMENT RESPONSE OVERALL
Outside Diameter0.938 INCHES MINIMUM AND 0.953 INCHES MAXIMUM IN
Internal Prebent Key Width0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
External Prebent Key Width0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
Material Thickness0.038 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
External Key Quantity11
MaterialSTEEL COMP 1010 OR STEEL COMP 1035 OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5310-00-186-0962 INTERCHANGEABLE
Washer,key
5950-00-280-4609292-2082G1A INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon Co
2810-00-478-8380 INTERCHANGEABLE
Housing-Push Rod---
5998-01-095-934921284 INTERCHANGEABLE
Printed Wiring Board
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
4720-01-148-297014036744 INTERCHANGEABLE
Hose,preformed
General Motors Llc Dba General Motors Llc
5315-01-167-558421284 INTERCHANGEABLE
Pin,grooved,headless
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5310-01-175-670221284 INTERCHANGEABLE
Nut,plain,hexagon
Industrial Technologies and Services Llc
Cross-Reference Index
Part NumberManufacturer
MS29070-031 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
W03CADMIUMPLATED Fag Bearings Corporation (USA)
5310002939620 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
236-1017P4 Raytheon Company Dba Raytheon (USA)
236-1017P4 Raytheon Company Div Corp (USA)
5310002939620 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
MS19070-032 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS19070-031 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
W03CADMIUMPLATED Whittet-Higgins Company (USA)
21284 Prestolite Electric Inc (USA)
W03CADMIUMPLATED The Timken Corporation (USA)
Related Parts
5310-00-186-0962INTERCHANGEABLE
WASHER,KEY
5950-00-280-4609INTERCHANGEABLE
TRANSFORMER,POWER
292-2082G1A
2810-00-478-8380INTERCHANGEABLE
HOUSING-PUSH ROD---
5998-01-095-9349INTERCHANGEABLE
PRINTED WIRING BOARD
21284
4720-01-148-2970INTERCHANGEABLE
HOSE,PREFORMED
14036744
5315-01-167-5584INTERCHANGEABLE
PIN,GROOVED,HEADLESS
21284
5310-01-175-6702INTERCHANGEABLE
NUT,PLAIN,HEXAGON
21284

Frequently Asked Questions

What is NSN 5310-00-293-9620?

NSN 5310-00-293-9620 is a Washer,key, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-293-9620?

NSN 5310-00-293-9620 has 11 cross-referenced part numbers: MS29070-031 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), W03CADMIUMPLATED (Fag Bearings Corporation), 5310002939620 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 236-1017P4 (Raytheon Company Dba Raytheon), 236-1017P4 (Raytheon Company Div Corp) and 6 more.

What NSN replaces 5310-00-293-9620?

There are 7 known substitutes for 5310-00-293-9620: 5310-00-186-0962, 5950-00-280-4609, 2810-00-478-8380 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS29070-031?

Key specifications for MS29070-031: Overall Distance Including Keys: 1.328 INCHES MAXIMUM IN; Surface Treatment: CADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL; Material Document and Classification: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL; Internal Prebent Key Length: 0.062 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-293-9620 still in active supply?

NSN 5310-00-293-9620 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.
PartsTable Design LLC · partstable.com