PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8603Plug,protective,dust and Moistur

Keystone Electronics Corp · NSN 5340-01-596-2550 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-596-2550 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-596-2550. Primary manufacturer part number: 8603.
Features
  • Plug,protective,dust and Moistur — FSC 5340
  • Overall Diameter: 0.578 INCHES NOMINAL IN
  • Tube Outside Diameter for Which Designed: 0.5 INCHES NOMINAL IN
  • Material: PLASTIC
  • Opening Inside Diameter for Which Designed: 0.5 INCHES NOMINAL IN
  • Design Type: FRICTION
  • 1 verified cross-reference
  • Primary manufacturer: Keystone Electronics Corp
Applications
  • Applications requiring Plastic construction
General Description

The Plug,protective,dust and Moistur, cataloged under National Stock Number 5340-01-596-2550, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Keystone Electronics Corp. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5340-01-596-2550
Primary Part Number8603
Item NamePlug,protective,dust and Moistur
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerKeystone Electronics Corp
StatusACTIVE
Overall Diameter0.578 INCHES NOMINAL IN
Tube Outside Diameter for Which Designed0.5 INCHES NOMINAL IN
MaterialPLASTIC
Opening Inside Diameter for Which Designed0.5 INCHES NOMINAL IN
Design TypeFRICTION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6140-01-142-8488400642 SUCCESSOR
Battery,storage
Avex Electronics Corp.
3110-00-156-3489 INTERCHANGEABLE
Bearing,ball,annular
5995-00-181-97928603 INTERCHANGEABLE
Cord Assembly,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
5930-00-228-4072 INTERCHANGEABLE
Switch,toggle
2930-00-313-6445FP23506723 INTERCHANGEABLE
Pump,cooling System,engine
Federal-Mogul Corp Government Sales Dept
3520-00-359-8582 INTERCHANGEABLE
Shuttle
5950-00-868-8540722834-3 INTERCHANGEABLE
Transformer,pulse
Raytheon Company Div Rmd Strategic
5950-00-985-3137161368 INTERCHANGEABLE
Reactor
Raytheon Company Dba Raytheon Co
5365-01-065-28128603 INTERCHANGEABLE
Spacer,sleeve
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
6145-01-082-8789CIT 4000 INTERCHANGEABLE
Cable,power,electrical
Cableco Inc
Cross-Reference Index
Part NumberManufacturer
8603 PRIMARY Keystone Electronics Corp (USA)
Related Parts
6140-01-142-8488SUCCESSOR
BATTERY,STORAGE
400642
3110-00-156-3489INTERCHANGEABLE
BEARING,BALL,ANNULAR
5995-00-181-9792INTERCHANGEABLE
CORD ASSEMBLY,ELECTRICAL
8603
5930-00-228-4072INTERCHANGEABLE
SWITCH,TOGGLE
2930-00-313-6445INTERCHANGEABLE
PUMP,COOLING SYSTEM,ENGINE
FP23506723
3520-00-359-8582INTERCHANGEABLE
SHUTTLE
5950-00-868-8540INTERCHANGEABLE
TRANSFORMER,PULSE
722834-3
5950-00-985-3137INTERCHANGEABLE
REACTOR
161368
5365-01-065-2812INTERCHANGEABLE
SPACER,SLEEVE
8603
6145-01-082-8789INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
CIT 4000
6145-01-147-8598INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
20254
5930-01-161-3071INTERCHANGEABLE
SWITCH,SENSITIVE
8-603

Frequently Asked Questions

What is NSN 5340-01-596-2550?

NSN 5340-01-596-2550 is a Plug,protective,dust and Moistur, manufactured by Keystone Electronics Corp, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-596-2550?

NSN 5340-01-596-2550 has 1 cross-referenced part number: 8603 (Keystone Electronics Corp).

What NSN replaces 5340-01-596-2550?

There are 12 known substitutes for 5340-01-596-2550: 6140-01-142-8488, 3110-00-156-3489, 5995-00-181-9792 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8603?

Key specifications for 8603: Overall Diameter: 0.578 INCHES NOMINAL IN; Tube Outside Diameter for Which Designed: 0.5 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: NYLON HOLE PLUG; Material: PLASTIC. 6 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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