PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7Cap-Plug,protective,dust and Moi

Caplugs Llc Dba Mokon Div Caplugs · NSN 5340-00-290-7221 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-290-7221 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-290-7221. Primary manufacturer part number: 7.
Features
  • Cap-Plug,protective,dust and Moi — FSC 5340
  • Closed End Overall Diameter: 0.580 INCHES NOMINAL IN
  • Material: PLASTIC
  • Open End Inside Diameter: 0.605 INCHES NOMINAL IN
  • Length Under Shoulder: 0.500 INCHES NOMINAL IN
  • 14 verified cross-references
  • Primary manufacturer: Caplugs Llc Dba Mokon Div Caplugs
Applications
  • Applications requiring Plastic construction
General Description

The Cap-Plug,protective,dust and Moi, cataloged under National Stock Number 5340-00-290-7221, 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 14 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5340-00-290-7221
Primary Part Number7
Item NameCap-Plug,protective,dust and Moi
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerCaplugs Llc Dba Mokon Div Caplugs
StatusCANCELLED
Closed End Overall Diameter0.580 INCHES NOMINAL IN
MaterialPLASTIC
Open End Inside Diameter0.605 INCHES NOMINAL IN
Length Under Shoulder0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6515-00-299-8061 (L505 7-M)
HAZMATNo
Verified Substitutes 12
No Item Name Available
Bolt,eye
Handle,luggage
5340-00-264-120328901-17 SUCCESSOR
Cap-Plug,protective,dust and Moi
Triumph Engine Control Systems Llc
Cap-Plug,protective,dust and Moi
5340-00-290-722357A SUCCESSOR
Cap-Plug,protective,dust and Moi
Caplugs Llc Dba Mokon Div Caplugs
Cap-Plug,protective,dust and Moi
5340-00-290-72496735707-23 SUCCESSOR
Cap-Plug,protective,dust and Moi
Allison Transmission Inc Dba Allison Transmission, Inc
5340-00-290-725115 SUCCESSOR
Cap-Plug,protective,dust and Moi
Allison Transmission Inc Dba Allison Transmission, Inc
Cap-Plug,protective,dust and Moi
Cross-Reference Index
Part NumberManufacturer
RU51087 Rolls-Royce Airlines (GBR)
218MR012P013 Raytheon Company Div Corp (USA)
SIZE7 Protective Closures Co Inc (USA)
208 G T I Corp Clover Industries Div (USA)
7 PRIMARY Caplugs Llc Dba Mokon Div Caplugs (USA)
MILC52078 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
917958 New Holland Construction (USA)
9020644 Us Army Aviation and Missile Command (USA)
TY10 G T I Corp Clover Industries Div (USA)
9174595 Us Army Aviation and Missile Command (USA)
RU51087 Mtu Aero Engines Ag (DEU)
218MR012P013 Raytheon Company Dba Raytheon Co (USA)
218MR012P013 Raytheon Co Raytheon Systems Co (USA)
7 Protective Closures Co Inc (USA)
Related Parts
SUCCESSOR 6515-00-299-8061 Support,arch · L505 7-M
5340-00-840-3909SUCCESSOR
NO ITEM NAME AVAILABLE
5306-00-105-9097SUCCESSOR
BOLT,EYE
5340-00-251-7917SUCCESSOR
HANDLE,LUGGAGE
5340-00-264-1203SUCCESSOR
CAP-PLUG,PROTECTIVE,DUST AND MOI
28901-17
5340-00-264-1208SUCCESSOR
CAP-PLUG,PROTECTIVE,DUST AND MOI
5340-00-290-7223SUCCESSOR
CAP-PLUG,PROTECTIVE,DUST AND MOI
57A
5340-00-290-7228SUCCESSOR
CAP-PLUG,PROTECTIVE,DUST AND MOI
5340-00-290-7249SUCCESSOR
CAP-PLUG,PROTECTIVE,DUST AND MOI
6735707-23
5340-00-290-7251SUCCESSOR
CAP-PLUG,PROTECTIVE,DUST AND MOI
15
5340-00-290-7263SUCCESSOR
CAP-PLUG,PROTECTIVE,DUST AND MOI
6515-00-318-4300SUCCESSOR
ELECTRODE,CAUTERY
7

Frequently Asked Questions

What is NSN 5340-00-290-7221?

NSN 5340-00-290-7221 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: cancelled.

What are the part numbers for NSN 5340-00-290-7221?

NSN 5340-00-290-7221 has 14 cross-referenced part numbers: RU51087 (Rolls-Royce Airlines), 218MR012P013 (Raytheon Company Div Corp), SIZE7 (Protective Closures Co Inc), 208 (G T I Corp Clover Industries Div), 7 (Caplugs Llc Dba Mokon Div Caplugs) and 9 more.

What NSN replaces 5340-00-290-7221?

There are 12 known substitutes for 5340-00-290-7221: 5340-00-840-3909, 5306-00-105-9097, 5340-00-251-7917 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7?

Key specifications for 7: Closed End Overall Diameter: 0.580 INCHES NOMINAL IN; Material: PLASTIC; Open End Inside Diameter: 0.605 INCHES NOMINAL IN; Length Under Shoulder: 0.500 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-290-7221 still in active supply?

NSN 5340-00-290-7221 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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