PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS35338-138Washer,lock

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-00-933-8120 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-933-8120 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-933-8120. Primary manufacturer part number: MS35338-138.
Features
  • Washer,lock — FSC 5310
  • 50 verified cross-references
  • Primary manufacturer: National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-933-8120, 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. This item has 50 commercial cross-references from 44 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameWasher,lock
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersWrought Washer Mfg., Inc. (CAGE 79807); Raytheon Systems Ltd (CAGE K0268); Naval Sea Systems Command (CAGE 53711); California Instruments Corp (CAGE 16067); Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (CAGE 90536)
Technical Specifications
ParameterValue
NSN5310-00-933-8120
Primary Part NumberMS35338-138
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
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5365-00-164-3345033030 INTERCHANGEABLE
Shim
Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
5310-00-184-8971MS35338-103 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-187-2417004-003005-083 INTERCHANGEABLE
Washer,lock
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5310-00-224-0749MS35338-138B INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-261-7435 INTERCHANGEABLE
Washer,lock
3030-00-264-305624433 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
5310-00-510-43044912550-03 INTERCHANGEABLE
Washer,lock
Northrop Grumman Systems Corporation
3030-00-529-0492 INTERCHANGEABLE
Belt,v
5310-00-576-0546MS35338-99 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-577-5354MS35338-105 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
310-0073-000 Wrought Washer Mfg., Inc. (USA)
24-00202-138 Raytheon Systems Ltd (GBR)
6931056 ITEM 32 Naval Sea Systems Command (USA)
FS1075 California Instruments Corp (USA)
4912550-03 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
5310PL1370047 Jednolity Indeks Materialowy - Uniform Material Index (POL)
34910-72 Gaf Corp Brooklyn Plant (USA)
410140044 Rafael (ISR)
N406P9 Lockheed Martin Corporation Div Rms (USA)
4917260-03 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
N406P39 Lockheed Martin Corporation Div Rms (USA)
A50803-086 Marine Acquisition (us) Incorporated Div Prime Line Industrial Controls (USA)
926000-0081 Thales Uk Limited Dba Thales Uk Ltd Avionics (GBR)
A302-3-4 L3 Technologies, Inc. Div L3 Keo (USA)
B27-1 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
411-1366 Nimikkeistokeskus Ncb Finland (FIN)
G221439-15 Allmetal Screw Products Corp (USA)
MS35338-138 Aertekno S.r.l. (ITA)
DV1745-0121-4 Deval Life Cycle Support Llc (USA)
5310009338120 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
Related Parts
5365-00-164-3345INTERCHANGEABLE
SHIM
033030
5310-00-184-8971INTERCHANGEABLE
WASHER,LOCK
MS35338-103
5310-00-187-2417INTERCHANGEABLE
WASHER,LOCK
004-003005-083
5310-00-224-0749INTERCHANGEABLE
WASHER,LOCK
MS35338-138B
5310-00-261-7435INTERCHANGEABLE
WASHER,LOCK
3030-00-264-3056INTERCHANGEABLE
BELT,V
24433
5310-00-510-4304INTERCHANGEABLE
WASHER,LOCK
4912550-03
3030-00-529-0492INTERCHANGEABLE
BELT,V
5310-00-576-0546INTERCHANGEABLE
WASHER,LOCK
MS35338-99
5310-00-577-5354INTERCHANGEABLE
WASHER,LOCK
MS35338-105
5310-00-579-1603INTERCHANGEABLE
WASHER,LOCK
5310-00-579-1604INTERCHANGEABLE
WASHER,LOCK

Frequently Asked Questions

What is NSN 5310-00-933-8120?

NSN 5310-00-933-8120 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: cancelled.

What are the part numbers for NSN 5310-00-933-8120?

NSN 5310-00-933-8120 has 50 cross-referenced part numbers: 310-0073-000 (Wrought Washer Mfg., Inc.), 24-00202-138 (Raytheon Systems Ltd), 6931056 ITEM 32 (Naval Sea Systems Command), FS1075 (California Instruments Corp), 4912550-03 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan) and 45 more.

What NSN replaces 5310-00-933-8120?

There are 12 known substitutes for 5310-00-933-8120: 5365-00-164-3345, 5310-00-184-8971, 5310-00-187-2417 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 5310-00-933-8120 still in active supply?

NSN 5310-00-933-8120 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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