PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS35338-167Washer,lock

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-00-549-6790 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-549-6790 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-549-6790. Primary manufacturer part number: MS35338-167.
Features
  • Washer,lock — FSC 5310
  • Outside Diameter: 1.661 INCHES MAXIMUM IN
  • Material: STEEL COMP 420 OVERALL
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Nondefinitive Spec/std Data: B CLASS AND 2 STYLE
  • Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
  • Material Thickness: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 420 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-549-6790, 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 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-549-6790
Primary Part NumberMS35338-167
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
Outside Diameter1.661 INCHES MAXIMUM IN
MaterialSTEEL COMP 420 OVERALL
Style DesignatorSPLIT HELICAL-RIGHT HAND
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Nondefinitive Spec/std DataB CLASS AND 2 STYLE
Hardness Rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Material Thickness0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Hole Diameter1.017 INCHES MINIMUM AND 1.042 INCHES MAXIMUM IN
Surface TreatmentPASSIVATE OVERALL
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-011-6125MS35338-71 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-407-956612759-00080 INTERCHANGEABLE
Washer,lock
Fastenal Company Dba Fastenal Co
5310-00-582-5965196 INTERCHANGEABLE
Washer,lock
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5310-00-584-7890MS35338-57 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.
5310-00-933-8119MS35338-137 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-974-6642MS35338-148 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-515-3880MS35338-84 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-565-5501MS35338-48 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-570-1857NASM35338-148B INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
004-003005-048 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
MS35338-167 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
FFW84 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
NASM35338 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MS3533-167 Zf Industrieantriebe Witten Gmbh (DEU)
MS35338-91 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS35338-167 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5310-00-011-6125INTERCHANGEABLE
WASHER,LOCK
MS35338-71
5310-00-407-9566INTERCHANGEABLE
WASHER,LOCK
12759-00080
5310-00-582-5965INTERCHANGEABLE
WASHER,LOCK
196
5310-00-584-7890INTERCHANGEABLE
WASHER,LOCK
MS35338-57
5310-00-637-9541INTERCHANGEABLE
WASHER,LOCK
019-00004-42
5310-00-933-8119INTERCHANGEABLE
WASHER,LOCK
MS35338-137
5310-00-974-6642INTERCHANGEABLE
WASHER,LOCK
MS35338-148
5310-01-515-3880INTERCHANGEABLE
WASHER,LOCK
MS35338-84
5310-01-565-5501INTERCHANGEABLE
WASHER,LOCK
MS35338-48
5310-01-570-1857INTERCHANGEABLE
WASHER,LOCK
NASM35338-148B
5310-01-660-7393INTERCHANGEABLE
WASHER,LOCK
MS35338-42P
5310-01-734-2976INTERCHANGEABLE
WASHER,LOCK
NASM35338-155

Frequently Asked Questions

What is NSN 5310-00-549-6790?

NSN 5310-00-549-6790 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 5310-00-549-6790?

NSN 5310-00-549-6790 has 7 cross-referenced part numbers: 004-003005-048 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), MS35338-167 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), FFW84 (Federal Specifications Promulgated by General Services Administration Washington DC), NASM35338 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MS3533-167 (Zf Industrieantriebe Witten Gmbh) and 2 more.

What NSN replaces 5310-00-549-6790?

There are 12 known substitutes for 5310-00-549-6790: 5310-00-011-6125, 5310-00-407-9566, 5310-00-582-5965 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS35338-167?

Key specifications for MS35338-167: Outside Diameter: 1.661 INCHES MAXIMUM IN; Material: STEEL COMP 420 OVERALL; Style Designator: SPLIT HELICAL-RIGHT HAND; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 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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