PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS35337-39Washer,lock

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5310-00-515-8000 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-515-8000 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-515-8000. Primary manufacturer part number: MS35337-39.
Features
  • Washer,lock — FSC 5310
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Material: STEEL OVERALL
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Nondefinitive Spec/std Data: 1 STYLE
  • Hole Diameter: 0.088 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
  • Outside Diameter: 0.165 INCHES MAXIMUM IN
  • Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-515-8000, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-515-8000
Primary Part NumberMS35337-39
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Style DesignatorSPLIT HELICAL-RIGHT HAND
MaterialSTEEL OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Nondefinitive Spec/std Data1 STYLE
Hole Diameter0.088 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
Outside Diameter0.165 INCHES MAXIMUM IN
Hardness Rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Surface TreatmentCADMIUM OVERALL
Material Thickness0.015 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
Material Document and ClassificationFED STD 66,AISI C1060 THRU C1080 OR SAE 1060 THRU 1080 FED STD SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-543-5060MS35338-39 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
MS35337-39 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
4198008-32 Raytheon Company Dba Raytheon (USA)
4198008-32 Raytheon Company Div Rmd Strategic (USA)
FFW84STYLE1 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5310-00-543-5060INTERCHANGEABLE
WASHER,LOCK
MS35338-39

Frequently Asked Questions

What is NSN 5310-00-515-8000?

NSN 5310-00-515-8000 is a Washer,lock, 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: active.

What are the part numbers for NSN 5310-00-515-8000?

NSN 5310-00-515-8000 has 4 cross-referenced part numbers: MS35337-39 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 4198008-32 (Raytheon Company Dba Raytheon), 4198008-32 (Raytheon Company Div Rmd Strategic), FFW84STYLE1 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5310-00-515-8000?

There is 1 known substitute for 5310-00-515-8000: 5310-00-543-5060. Verify interchangeability with system specifications before substitution.

What are the specifications of MS35337-39?

Key specifications for MS35337-39: Style Designator: SPLIT HELICAL-RIGHT HAND; Material: STEEL OVERALL; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Nondefinitive Spec/std Data: 1 STYLE. 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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