PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS35335-69Washer,lock

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5310-00-814-4575 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-814-4575 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-814-4575. Primary manufacturer part number: MS35335-69.
Features
  • Washer,lock — FSC 5310
  • Surface Treatment Document and Classification: QQ-P-35,TY 2 OR 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Style Designator: FLAT EXTERNAL TEETH
  • Surface Treatment: PASSIVATE OVERALL
  • Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
  • Outside Diameter: 1.380 INCHES MINIMUM AND 1.410 INCHES MAXIMUM IN
  • Hole Diameter: 0.897 INCHES MINIMUM AND 0.927 INCHES MAXIMUM IN
  • Material Thickness: 0.052 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 410 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-814-4575, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-814-4575
Primary Part NumberMS35335-69
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
Surface Treatment Document and ClassificationQQ-P-35,TY 2 OR 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Style DesignatorFLAT EXTERNAL TEETH
Surface TreatmentPASSIVATE OVERALL
Hardness Rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
Outside Diameter1.380 INCHES MINIMUM AND 1.410 INCHES MAXIMUM IN
Hole Diameter0.897 INCHES MINIMUM AND 0.927 INCHES MAXIMUM IN
Material Thickness0.052 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 410 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5310-00-017-8627 INTERCHANGEABLE
Washer,lock
5310-00-019-0676MS35333-109 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-022-8834NASM35333-108 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-022-8847MS35333-110 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-188-0473 INTERCHANGEABLE
Washer,lock
5310-00-198-9343 INTERCHANGEABLE
Washer,lock
5310-00-282-9059373-0083-000 INTERCHANGEABLE
Washer,lock
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5310-00-432-9409 INTERCHANGEABLE
Washer,lock
5310-00-978-610316-1880 INTERCHANGEABLE
Washer,lock
Eaton Corp Opns & Technical Center
Cross-Reference Index
Part NumberManufacturer
MS35335-69 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
FF-W-100 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
FF-W-100C Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5310-00-017-8627INTERCHANGEABLE
WASHER,LOCK
5310-00-019-0676INTERCHANGEABLE
WASHER,LOCK
MS35333-109
5310-00-022-8834INTERCHANGEABLE
WASHER,LOCK
NASM35333-108
5310-00-022-8847INTERCHANGEABLE
WASHER,LOCK
MS35333-110
5310-00-188-0473INTERCHANGEABLE
WASHER,LOCK
5310-00-198-9343INTERCHANGEABLE
WASHER,LOCK
5310-00-282-9059INTERCHANGEABLE
WASHER,LOCK
373-0083-000
5310-00-432-9409INTERCHANGEABLE
WASHER,LOCK
5310-00-978-6103INTERCHANGEABLE
WASHER,LOCK
16-1880

Frequently Asked Questions

What is NSN 5310-00-814-4575?

NSN 5310-00-814-4575 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 5310-00-814-4575?

NSN 5310-00-814-4575 has 3 cross-referenced part numbers: MS35335-69 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), FF-W-100 (Federal Specifications Promulgated by General Services Administration Washington DC), FF-W-100C (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5310-00-814-4575?

There are 9 known substitutes for 5310-00-814-4575: 5310-00-017-8627, 5310-00-019-0676, 5310-00-022-8834 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS35335-69?

Key specifications for MS35335-69: Surface Treatment Document and Classification: QQ-P-35,TY 2 OR 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: FLAT EXTERNAL TEETH; Surface Treatment: PASSIVATE OVERALL; Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM. 9 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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