PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS35338-46Washer,lock

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5310-01-334-4710 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-334-4710 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-334-4710. Primary manufacturer part number: MS35338-46.
Features
  • Washer,lock — FSC 5310
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL
  • Material: STEEL COMP 1060 OR STEEL COMP 1070 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL
  • Material Thickness: 0.094 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
  • Departure From Cited Document: AS MODIFIED BY ZINC
  • Hole Diameter: 0.377 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
  • Surface Treatment: ZINC OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1060 or Steel Comp 1070 or Steel Comp 1078 or Steel Comp 1080 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-334-4710, 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 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-334-4710
Primary Part NumberMS35338-46
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
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
MaterialSTEEL COMP 1060 OR STEEL COMP 1070 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL
Material Thickness0.094 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
Departure From Cited DocumentAS MODIFIED BY ZINC
Hole Diameter0.377 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
Surface TreatmentZINC OVERALL
Hardness Rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Outside Diameter0.683 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-004-5033MS35338-46 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-637-9541019-00004-42 INTERCHANGEABLE
Washer,lock
Kovatch Corp.
5310-00-722-5658 INTERCHANGEABLE
Washer,lock
5310-01-130-90656-1-5866-17 INTERCHANGEABLE
Washer,lock
W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center
5310-01-315-3803HS8-3/8 INTERCHANGEABLE
Washer,lock
Flowserve Corp Dba Automax Actuators Div Flowserve Us Company
Cross-Reference Index
Part NumberManufacturer
MS35338-46 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS35338-46 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
5310PL0794193 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
5310-00-004-5033INTERCHANGEABLE
WASHER,LOCK
MS35338-46
5310-00-637-9541INTERCHANGEABLE
WASHER,LOCK
019-00004-42
5310-00-722-5658INTERCHANGEABLE
WASHER,LOCK
5310-01-130-9065INTERCHANGEABLE
WASHER,LOCK
6-1-5866-17
5310-01-315-3803INTERCHANGEABLE
WASHER,LOCK
HS8-3/8

Frequently Asked Questions

What is NSN 5310-01-334-4710?

NSN 5310-01-334-4710 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 5310-01-334-4710?

NSN 5310-01-334-4710 has 3 cross-referenced part numbers: MS35338-46 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS35338-46 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 5310PL0794193 (Jednolity Indeks Materialowy - Uniform Material Index).

What NSN replaces 5310-01-334-4710?

There are 5 known substitutes for 5310-01-334-4710: 5310-00-004-5033, 5310-00-637-9541, 5310-00-722-5658 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS35338-46?

Key specifications for MS35338-46: Style Designator: SPLIT HELICAL-RIGHT HAND; Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL; Material: STEEL COMP 1060 OR STEEL COMP 1070 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL; Material Thickness: 0.094 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN. 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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