PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS35338-140Washer,lock

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-00-974-6623 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-974-6623 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-974-6623. Primary manufacturer part number: MS35338-140.
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 5310-00-974-6623, 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 33 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)
ManufacturersLockheed Martin Sippican, Inc. Div Communication Division (CAGE 13030); Zf Industrieantriebe Witten Gmbh (CAGE D9182); Asc Pty Ltd (CAGE Z4779); Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies (CAGE 01425); Oshkosh Corp (CAGE 45152)
Technical Specifications
ParameterValue
NSN5310-00-974-6623
Primary Part NumberMS35338-140
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
4730-00-011-8538SAE J512 5 010111B INTERCHANGEABLE
Nut,tube Coupling
Sae International Dba Sae International
5310-00-042-67590164-12 INTERCHANGEABLE
Washer,lock
Lockheed Martin Corporation Div Rms
5310-00-136-6133310-6340-000 INTERCHANGEABLE
Washer,flat
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
3020-00-252-8437107290 INTERCHANGEABLE
Gear Cluster
Astronautics Corporation of America
5330-00-283-472445400-0112 INTERCHANGEABLE
Seal
Middleby Marshall Inc Conveyor Ovens and Mixers Div
5310-00-415-2115 INTERCHANGEABLE
Washer,lock
3030-00-529-0350 INTERCHANGEABLE
Belt,v
5340-00-534-3008SC-B-69481 INTERCHANGEABLE
Rod End,threaded
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4710-00-578-2962 INTERCHANGEABLE
Tube,metallic
5345-00-584-4523A18F0 INTERCHANGEABLE
Stone,sharpening
Tyrolit Wickman Inc
Cross-Reference Index
Part NumberManufacturer
MS35338-140 Lockheed Martin Sippican, Inc. Div Communication Division (USA)
15155 Zf Industrieantriebe Witten Gmbh (DEU)
ASC1030036 Asc Pty Ltd (AUS)
90C01-7402 Zf Industrieantriebe Witten Gmbh (DEU)
50O00182-0122 Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies (USA)
11KP357 Oshkosh Corp (USA)
SPP51-0007 Ward Leonard Ct Llc (USA)
5310009746623 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
MS34338-140 Zf Industrieantriebe Witten Gmbh (DEU)
004-003005-021 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
236-1150P7 Zf Industrieantriebe Witten Gmbh (DEU)
4912550-05 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
50330 Eka Limited (GBR)
124-4322605 PC 18 Naval Sea Systems Command (USA)
MS35338-140 Rolls-Royce Plc Naval Marine (GBR)
946152-215 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
6560-11 Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company (USA)
3106340-000 Wrought Washer Mfg., Inc. (USA)
50P00182-0121 Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies (USA)
926001-0083 Thales Usa, Inc. Div Air Mobility Solutions ("ams") (USA)
Related Parts
4730-00-011-8538INTERCHANGEABLE
NUT,TUBE COUPLING
SAE J512 5 010111B
5310-00-042-6759INTERCHANGEABLE
WASHER,LOCK
0164-12
5310-00-136-6133INTERCHANGEABLE
WASHER,FLAT
310-6340-000
3020-00-252-8437INTERCHANGEABLE
GEAR CLUSTER
107290
5330-00-283-4724INTERCHANGEABLE
SEAL
45400-0112
5310-00-415-2115INTERCHANGEABLE
WASHER,LOCK
3030-00-529-0350INTERCHANGEABLE
BELT,V
5340-00-534-3008INTERCHANGEABLE
ROD END,THREADED
SC-B-69481
4710-00-578-2962INTERCHANGEABLE
TUBE,METALLIC
5345-00-584-4523INTERCHANGEABLE
STONE,SHARPENING
A18F0
4730-00-640-0311INTERCHANGEABLE
ELBOW,TUBE
W2029
6685-00-653-1190INTERCHANGEABLE
THERMOMETER SET

Frequently Asked Questions

What is NSN 5310-00-974-6623?

NSN 5310-00-974-6623 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 5310-00-974-6623?

NSN 5310-00-974-6623 has 50 cross-referenced part numbers: MS35338-140 (Lockheed Martin Sippican, Inc. Div Communication Division), 15155 (Zf Industrieantriebe Witten Gmbh), ASC1030036 (Asc Pty Ltd), 90C01-7402 (Zf Industrieantriebe Witten Gmbh), 50O00182-0122 (Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies) and 45 more.

What NSN replaces 5310-00-974-6623?

There are 12 known substitutes for 5310-00-974-6623: 4730-00-011-8538, 5310-00-042-6759, 5310-00-136-6133 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 5310-00-974-6623 still in active supply?

NSN 5310-00-974-6623 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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