PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100803Washer,lock

Prestolite Electric Limited · NSN 5310-01-121-5414 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-121-5414 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-121-5414. Primary manufacturer part number: 100803.
Features
  • Washer,lock — FSC 5310
  • 2 verified cross-references
  • Primary manufacturer: Prestolite Electric Limited
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-121-5414, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Prestolite Electric Limited. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWasher,lock
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersPrestolite Electric Limited (CAGE U0041); Lucas Cav (CAGE U2751)
Technical Specifications
ParameterValue
NSN5310-01-121-5414
Primary Part Number100803
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerPrestolite Electric Limited
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6605-00-070-3655100803 INTERCHANGEABLE
Housing,indicator
Astronautics Corporation of America
3825-00-483-5452100803 INTERCHANGEABLE
Link,filter Shaker
Allianz Sweeper Company
5998-00-920-8603100803 INTERCHANGEABLE
Circuit Card Assembly
Crane Electronics, Inc.
3110-01-020-44421008-23 INTERCHANGEABLE
Bearing
Ohaus Corporation
5340-01-117-470721066 INTERCHANGEABLE
Eye Hook
Norris Dispenser Company
5305-01-134-0565 INTERCHANGEABLE
Screw
5975-01-341-3541 INTERCHANGEABLE
Junction Box
3460-01-440-2575100803 INTERCHANGEABLE
Chuck,universal Jaw
Methods and Machining Systems
4710-01-548-0552138-2409 INTERCHANGEABLE
Tube Assembly,metal
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
100803 PRIMARY Prestolite Electric Limited (GBR)
100803 Lucas Cav (GBR)
Related Parts
6605-00-070-3655INTERCHANGEABLE
HOUSING,INDICATOR
100803
3825-00-483-5452INTERCHANGEABLE
LINK,FILTER SHAKER
100803
5998-00-920-8603INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
100803
3110-01-020-4442INTERCHANGEABLE
BEARING
1008-23
5340-01-117-4707INTERCHANGEABLE
EYE HOOK
21066
5305-01-134-0565INTERCHANGEABLE
SCREW
5975-01-341-3541INTERCHANGEABLE
JUNCTION BOX
3460-01-440-2575INTERCHANGEABLE
CHUCK,UNIVERSAL JAW
100803
4710-01-548-0552INTERCHANGEABLE
TUBE ASSEMBLY,METAL
138-2409

Frequently Asked Questions

What is NSN 5310-01-121-5414?

NSN 5310-01-121-5414 is a Washer,lock, manufactured by Prestolite Electric Limited, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-121-5414?

NSN 5310-01-121-5414 has 2 cross-referenced part numbers: 100803 (Prestolite Electric Limited), 100803 (Lucas Cav).

What NSN replaces 5310-01-121-5414?

There are 9 known substitutes for 5310-01-121-5414: 6605-00-070-3655, 3825-00-483-5452, 5998-00-920-8603 and 6 more. Verify interchangeability with system specifications before substitution.

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