PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W-5Cap-Plug,protective,dust and Moi

Caplugs Llc Dba Mokon Div Caplugs · NSN 5340-01-255-1657 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-255-1657 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-255-1657. Primary manufacturer part number: W-5.
Features
  • Cap-Plug,protective,dust and Moi — FSC 5340
  • Open End Inside Diameter: 0.478 INCHES NOMINAL IN
  • Closed End Overall Diameter: 0.472 INCHES NOMINAL IN
  • Material: PLASTIC, POLYETHYLENE (PP)
  • Length Under Shoulder: 0.440 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Caplugs Llc Dba Mokon Div Caplugs
Applications
  • Applications requiring Plastic, Polyethylene (pp) construction
General Description

The Cap-Plug,protective,dust and Moi, cataloged under National Stock Number 5340-01-255-1657, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caplugs Llc Dba Mokon Div Caplugs. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-255-1657
Primary Part NumberW-5
Item NameCap-Plug,protective,dust and Moi
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerCaplugs Llc Dba Mokon Div Caplugs
StatusACTIVE
Open End Inside Diameter0.478 INCHES NOMINAL IN
Closed End Overall Diameter0.472 INCHES NOMINAL IN
MaterialPLASTIC, POLYETHYLENE (PP)
Length Under Shoulder0.440 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 11
5310-00-186-096407062 INTERCHANGEABLE
Washer,key
Hoffman/new Yorker, Inc.
3120-00-288-1062ATF96S2601-395385ALT1PC5 INTERCHANGEABLE
Bearing,sleeve
Naval Ship Systems Command
5920-00-508-5804W5 INTERCHANGEABLE
Fuse,plug
Cooper Bussmann, Llc Dba Cooper Industries
6350-00-559-2964RMS-8845 INTERCHANGEABLE
Horn,signal
Clark-Reliance Llc
5950-00-572-5861W5 INTERCHANGEABLE
Transformer,power Autotransforme
Technipower Llc Dba Unipower
5950-00-578-55928896600 INTERCHANGEABLE
Transformer,power Autotransforme
Us Army Aviation and Missile Command
5325-00-732-7799D4-W5 INTERCHANGEABLE
Stud Assembly,turnlock Fastener
Southco Inc
5950-00-754-59408096612 INTERCHANGEABLE
Transformer,power Autotransforme
Us Army Aviation and Missile Command
3950-00-807-9016W5 INTERCHANGEABLE
Winch,drum,hand Operated
Arcosa Marine Components, Llc
5950-01-020-55173030-5110 INTERCHANGEABLE
Transformer,power
Technipower Llc Dba Unipower
Cross-Reference Index
Part NumberManufacturer
5340PL0791863 Jednolity Indeks Materialowy - Uniform Material Index (POL)
W-5 PRIMARY Caplugs Llc Dba Mokon Div Caplugs (USA)
Related Parts
5310-00-186-0964INTERCHANGEABLE
WASHER,KEY
07062
3120-00-288-1062INTERCHANGEABLE
BEARING,SLEEVE
ATF96S2601-395385ALT1PC5
5920-00-508-5804INTERCHANGEABLE
FUSE,PLUG
W5
6350-00-559-2964INTERCHANGEABLE
HORN,SIGNAL
RMS-8845
5950-00-572-5861INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
W5
5950-00-578-5592INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
8896600
5325-00-732-7799INTERCHANGEABLE
STUD ASSEMBLY,TURNLOCK FASTENER
D4-W5
5950-00-754-5940INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
8096612
3950-00-807-9016INTERCHANGEABLE
WINCH,DRUM,HAND OPERATED
W5
5950-01-020-5517INTERCHANGEABLE
TRANSFORMER,POWER
3030-5110
5820-01-449-9558INTERCHANGEABLE
CONTROL HEAD
HLN6440A

Frequently Asked Questions

What is NSN 5340-01-255-1657?

NSN 5340-01-255-1657 is a Cap-Plug,protective,dust and Moi, manufactured by Caplugs Llc Dba Mokon Div Caplugs, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-255-1657?

NSN 5340-01-255-1657 has 2 cross-referenced part numbers: 5340PL0791863 (Jednolity Indeks Materialowy - Uniform Material Index), W-5 (Caplugs Llc Dba Mokon Div Caplugs).

What NSN replaces 5340-01-255-1657?

There are 11 known substitutes for 5340-01-255-1657: 5310-00-186-0964, 3120-00-288-1062, 5920-00-508-5804 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W-5?

Key specifications for W-5: Open End Inside Diameter: 0.478 INCHES NOMINAL IN; Closed End Overall Diameter: 0.472 INCHES NOMINAL IN; Material: PLASTIC, POLYETHYLENE (PP); Special Features: COLOR RED. 5 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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