PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

650374BWasher,lock

L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. · NSN 5310-01-496-3647 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-496-3647 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-496-3647. Primary manufacturer part number: 650374B.
Features
  • Washer,lock — FSC 5310
  • 2 verified cross-references
  • Primary manufacturer: L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-496-3647, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.. This item has 2 commercial cross-references from 2 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
NSN5310-01-496-3647
Primary Part Number650374B
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerL3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-193-7486 INTERCHANGEABLE
Washer,lock
5310-00-209-12182239HX INTERCHANGEABLE
Washer,lock
Oshkosh Defense Llc
5945-00-238-4522121000 INTERCHANGEABLE
Solenoid,electrical
Sai Industries Div Standard Armament Inc.
5330-00-990-40006338 INTERCHANGEABLE
Seal,grease
Pdi Ground Support Systems, Inc.
6515-01-113-013712-1000 INTERCHANGEABLE
Goniometer,orthopedic
Gf Health Products, Inc.
6120-01-150-0639 INTERCHANGEABLE
Power Supply
7025-01-256-8264 INTERCHANGEABLE
Processor,signal,head-Up Display
5940-01-374-83601070400-04 INTERCHANGEABLE
Terminal,lug
Ametek Programmable Power, Inc.
6640-01-570-70581211-00 INTERCHANGEABLE
Tube,centrifuge
Scientific Specialties Inc
6550-01-580-8939447020 INTERCHANGEABLE
Urine Immunoglobuli
Beckman Coulter, Inc. Dba Beckman Coulter Inc Div Us Customer Operations
Cross-Reference Index
Part NumberManufacturer
1210-00 Itw Shakeproof Automotive Products (USA)
650374B PRIMARY L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA)
Related Parts
5310-00-193-7486INTERCHANGEABLE
WASHER,LOCK
5310-00-209-1218INTERCHANGEABLE
WASHER,LOCK
2239HX
5945-00-238-4522INTERCHANGEABLE
SOLENOID,ELECTRICAL
121000
5330-00-990-4000INTERCHANGEABLE
SEAL,GREASE
6338
6515-01-113-0137INTERCHANGEABLE
GONIOMETER,ORTHOPEDIC
12-1000
6120-01-150-0639INTERCHANGEABLE
POWER SUPPLY
7025-01-256-8264INTERCHANGEABLE
PROCESSOR,SIGNAL,HEAD-UP DISPLAY
5940-01-374-8360INTERCHANGEABLE
TERMINAL,LUG
1070400-04
6640-01-570-7058INTERCHANGEABLE
TUBE,CENTRIFUGE
1211-00
6550-01-580-8939INTERCHANGEABLE
URINE IMMUNOGLOBULI
447020
1680-01-657-9148INTERCHANGEABLE
CAP,END
12-1000
7010-01-719-7356INTERCHANGEABLE
COMMAND AND CONTROL SYSTEM
121000

Frequently Asked Questions

What is NSN 5310-01-496-3647?

NSN 5310-01-496-3647 is a Washer,lock, manufactured by L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-496-3647?

NSN 5310-01-496-3647 has 2 cross-referenced part numbers: 1210-00 (Itw Shakeproof Automotive Products), 650374B (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.).

What NSN replaces 5310-01-496-3647?

There are 12 known substitutes for 5310-01-496-3647: 5310-00-193-7486, 5310-00-209-1218, 5945-00-238-4522 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 650374B?

Key specifications for 650374B: Part Name Assigned by Controlling Agency: WASHERLOCK. 1 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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