PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS35338-57Washer,lock

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-01-300-5177 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-300-5177 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-300-5177. Primary manufacturer part number: MS35338-57.
Features
  • Washer,lock — FSC 5310
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL
  • Material: STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1566 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1062 OVERALL
  • Hole Diameter: 1.525 INCHES MINIMUM AND 1.561 INCHES MAXIMUM IN
  • Departure From Cited Designator: AS DIFFERENTIATED BY SURFACE TREATMENT
  • Surface Treatment Document and Classification: ASTM B633,TY 2,CL-FE/ZN ASSN STD SINGLE TREATMENT RESPONSE OVERALL
  • Surface Treatment: ZINC AND CHROMATE OVERALL
  • Style Designator: SPLIT HELICAL-RIGHT HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1060 or Steel Comp 1561 or Steel Comp 1064 or Steel Comp 1065 or Steel Comp 1566 or Steel Comp 1069 or Steel Comp 1070 or Steel Comp 1572 or Steel Comp 1074 or Steel Comp 1075 or Steel Comp 1078 or Steel Comp 1080 or Steel Comp 1062 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-300-5177, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 10 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-300-5177
Primary Part NumberMS35338-57
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusACTIVE
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
MaterialSTEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1566 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1062 OVERALL
Hole Diameter1.525 INCHES MINIMUM AND 1.561 INCHES MAXIMUM IN
Departure From Cited DesignatorAS DIFFERENTIATED BY SURFACE TREATMENT
Surface Treatment Document and ClassificationASTM B633,TY 2,CL-FE/ZN ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentZINC AND CHROMATE OVERALL
Style DesignatorSPLIT HELICAL-RIGHT HAND
Material Thickness0.375 INCHES NOMINAL IN
Hardness Rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Outside Diameter2.430 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-584-7890MS35338-57 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
MS35338-57 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
5310-00-584-7890INTERCHANGEABLE
WASHER,LOCK
MS35338-57

Frequently Asked Questions

What is NSN 5310-01-300-5177?

NSN 5310-01-300-5177 is a Washer,lock, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-300-5177?

NSN 5310-01-300-5177 has 1 cross-referenced part number: MS35338-57 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What NSN replaces 5310-01-300-5177?

There is 1 known substitute for 5310-01-300-5177: 5310-00-584-7890. Verify interchangeability with system specifications before substitution.

What are the specifications of MS35338-57?

Key specifications for MS35338-57: Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL; Material: STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1566 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1062 OVERALL; Hole Diameter: 1.525 INCHES MINIMUM AND 1.561 INCHES MAXIMUM IN; Departure From Cited Designator: AS DIFFERENTIATED BY SURFACE TREATMENT. 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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