PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SCB645752-63Washer,lock

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5310-00-933-8121 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-933-8121 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-933-8121. Primary manufacturer part number: SCB645752-63.
Features
  • Washer,lock — FSC 5310
  • 50 verified cross-references
  • Primary manufacturer: Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-933-8121, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. This item has 50 commercial cross-references from 34 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)
ManufacturersJednolity Indeks Materialowy - Uniform Material Index (CAGE 9009H); Meggitt North Hollywood Inc (CAGE 79318); Northrop Grumman Systems Corporation (CAGE 03956); Treadwell Corporation (delaware) Dba Treadwell Corp (CAGE 81412); Zf Industrieantriebe Witten Gmbh (CAGE D9182)
Technical Specifications
ParameterValue
NSN5310-00-933-8121
Primary Part NumberSCB645752-63
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-042-6758 INTERCHANGEABLE
Washer,lock
5310-00-043-5862 INTERCHANGEABLE
Washer,lock
5310-00-087-3055SCB645752-158 INTERCHANGEABLE
Washer,lock
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5961-00-173-34282N5401 INTERCHANGEABLE
Transistor
National Semiconductor Corporation
5985-00-234-922115154 INTERCHANGEABLE
Support,antenna
Dayton-Granger, Inc.
3455-00-395-000115154 INTERCHANGEABLE
Cutter,milling,end
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5915-00-501-4062 INTERCHANGEABLE
Filter,low Pass
5330-00-508-1249450352SSR INTERCHANGEABLE
Seal,plain Encased
Federal-Mogul Corp Government Sales Dept
5120-00-596-1075 INTERCHANGEABLE
Face,hammer,inserted
5950-00-615-3998332711 INTERCHANGEABLE
Reactor
Cae Usa Inc.
Cross-Reference Index
Part NumberManufacturer
5310PL1370049 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MS35338-139 Meggitt North Hollywood Inc (USA)
4912550-04 Northrop Grumman Systems Corporation (USA)
PL22-38963-FIND/ITEM NO-093 Treadwell Corporation (delaware) Dba Treadwell Corp (USA)
103A901846 Zf Industrieantriebe Witten Gmbh (DEU)
3642-17R51PC22 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
401-6357200-33 Naval Ship Systems Command (USA)
911C207-47 Sundstrand Corp Electric Power Systems Div (USA)
310-0287-000 Zf Industrieantriebe Witten Gmbh (DEU)
A50803-077 Incom Intl Inc Morse Controls Div (USA)
153-0023-033 The Boeing Company Div Legacy Boeing Hb1 (USA)
CB053-40031 REV Textron Systems Corporation Dba Textron Systems Corp (USA)
34017-12-AB (1) Zf Industrieantriebe Witten Gmbh (DEU)
N0418P00011 Zf Industrieantriebe Witten Gmbh (DEU)
10-7016 REV C ITEM 23 L3 Technologies, Inc. (USA)
SCB645752-63 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
946152-139 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
911C207-49 Hamilton Sundstrand Corporation (USA)
MS35338-139 Esco Maritime Solutions Ltd. (GBR)
FM-86520 PC NO 44 Reliance Electric (USA)
Related Parts
5310-00-042-6758INTERCHANGEABLE
WASHER,LOCK
5310-00-043-5862INTERCHANGEABLE
WASHER,LOCK
5310-00-087-3055INTERCHANGEABLE
WASHER,LOCK
SCB645752-158
5961-00-173-3428INTERCHANGEABLE
TRANSISTOR
2N5401
5985-00-234-9221INTERCHANGEABLE
SUPPORT,ANTENNA
15154
3455-00-395-0001INTERCHANGEABLE
CUTTER,MILLING,END
15154
5915-00-501-4062INTERCHANGEABLE
FILTER,LOW PASS
5330-00-508-1249INTERCHANGEABLE
SEAL,PLAIN ENCASED
450352SSR
5120-00-596-1075INTERCHANGEABLE
FACE,HAMMER,INSERTED
5950-00-615-3998INTERCHANGEABLE
REACTOR
332711
5310-00-929-6395INTERCHANGEABLE
WASHER,LOCK
MS35338-136
5310-00-933-8120INTERCHANGEABLE
WASHER,LOCK
MS35338-138

Frequently Asked Questions

What is NSN 5310-00-933-8121?

NSN 5310-00-933-8121 is a Washer,lock, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-933-8121?

NSN 5310-00-933-8121 has 50 cross-referenced part numbers: 5310PL1370049 (Jednolity Indeks Materialowy - Uniform Material Index), MS35338-139 (Meggitt North Hollywood Inc), 4912550-04 (Northrop Grumman Systems Corporation), PL22-38963-FIND/ITEM NO-093 (Treadwell Corporation (delaware) Dba Treadwell Corp), 103A901846 (Zf Industrieantriebe Witten Gmbh) and 45 more.

What NSN replaces 5310-00-933-8121?

There are 12 known substitutes for 5310-00-933-8121: 5310-00-042-6758, 5310-00-043-5862, 5310-00-087-3055 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 5310-00-933-8121 still in active supply?

NSN 5310-00-933-8121 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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