PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS35337-77Washer,lock

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5310-00-965-1796 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-965-1796 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-965-1796. Primary manufacturer part number: MS35337-77.
Features
  • Washer,lock — FSC 5310
  • Surface Treatment: PASSIVATE OVERALL
  • Departure From Cited Designator: AS MODIFIED BY MATERIAL SPEC
  • Material Document and Classification: QQ-S-763,CLASS 304,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Hole Diameter: 0.088 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Material: STEEL COMP 304 OVERALL
  • Material Thickness: 0.015 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 304 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-965-1796, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-965-1796
Primary Part NumberMS35337-77
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Surface TreatmentPASSIVATE OVERALL
Departure From Cited DesignatorAS MODIFIED BY MATERIAL SPEC
Material Document and ClassificationQQ-S-763,CLASS 304,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Hole Diameter0.088 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
Style DesignatorSPLIT HELICAL-RIGHT HAND
MaterialSTEEL COMP 304 OVERALL
Material Thickness0.015 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
Outside Diameter0.165 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5310-00-058-2950 INTERCHANGEABLE
Washer,lock
5310-00-734-5666 INTERCHANGEABLE
Washer,lock
5310-00-793-8751 INTERCHANGEABLE
Washer,lock
Cross-Reference Index
Part NumberManufacturer
MS35337-77 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5310-00-058-2950INTERCHANGEABLE
WASHER,LOCK
5310-00-734-5666INTERCHANGEABLE
WASHER,LOCK
5310-00-793-8751INTERCHANGEABLE
WASHER,LOCK

Frequently Asked Questions

What is NSN 5310-00-965-1796?

NSN 5310-00-965-1796 is a Washer,lock, manufactured by Military Specifications Promulgated by Military Departments/agencies 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 5310-00-965-1796?

NSN 5310-00-965-1796 has 1 cross-referenced part number: MS35337-77 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5310-00-965-1796?

There are 3 known substitutes for 5310-00-965-1796: 5310-00-058-2950, 5310-00-734-5666, 5310-00-793-8751. Verify interchangeability with system specifications before substitution.

What are the specifications of MS35337-77?

Key specifications for MS35337-77: Surface Treatment: PASSIVATE OVERALL; Departure From Cited Designator: AS MODIFIED BY MATERIAL SPEC; Material Document and Classification: QQ-S-763,CLASS 304,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Hole Diameter: 0.088 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN. 8 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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