PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM71-116Cap-Plug,protective,dust and Moi

General Dynamics Land Systems Inc. · NSN 5340-00-721-7921 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-721-7921 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-721-7921. Primary manufacturer part number: SM71-116.
Features
  • Cap-Plug,protective,dust and Moi — FSC 5340
  • Closed End Overall Diameter: 1.156 INCHES NOMINAL IN
  • Length Under Shoulder: 0.625 INCHES NOMINAL IN
  • Open End Inside Diameter: 1.000 INCHES NOMINAL IN
  • Material: PLASTIC
  • 3 verified cross-references
  • Primary manufacturer: General Dynamics Land Systems Inc.
Applications
  • Applications requiring Plastic construction
General Description

The Cap-Plug,protective,dust and Moi, cataloged under National Stock Number 5340-00-721-7921, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Dynamics Land Systems Inc.. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5340-00-721-7921
Primary Part NumberSM71-116
Item NameCap-Plug,protective,dust and Moi
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerGeneral Dynamics Land Systems Inc.
StatusCANCELLED
Closed End Overall Diameter1.156 INCHES NOMINAL IN
Length Under Shoulder0.625 INCHES NOMINAL IN
Open End Inside Diameter1.000 INCHES NOMINAL IN
MaterialPLASTIC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
No Item Name Available
Cap,protective,dust and Moisture
2910-01-246-506855468 INTERCHANGEABLE
Pump,fuel,electrical
Trw Inc Trw Intl Trade Government Sales Dept
Cross-Reference Index
Part NumberManufacturer
SM71-116 PRIMARY General Dynamics Land Systems Inc. (USA)
EP16 Protective Closures Co Inc (USA)
EP16 Caplugs Llc Dba Mokon Div Caplugs (USA)
Related Parts
5340-00-846-4694SUCCESSOR
NO ITEM NAME AVAILABLE
5340-00-044-5828SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
2910-01-246-5068INTERCHANGEABLE
PUMP,FUEL,ELECTRICAL
55468

Frequently Asked Questions

What is NSN 5340-00-721-7921?

NSN 5340-00-721-7921 is a Cap-Plug,protective,dust and Moi, manufactured by General Dynamics Land Systems Inc., classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-721-7921?

NSN 5340-00-721-7921 has 3 cross-referenced part numbers: SM71-116 (General Dynamics Land Systems Inc.), EP16 (Protective Closures Co Inc), EP16 (Caplugs Llc Dba Mokon Div Caplugs).

What NSN replaces 5340-00-721-7921?

There are 3 known substitutes for 5340-00-721-7921: 5340-00-846-4694, 5340-00-044-5828, 2910-01-246-5068. Verify interchangeability with system specifications before substitution.

What are the specifications of SM71-116?

Key specifications for SM71-116: Closed End Overall Diameter: 1.156 INCHES NOMINAL IN; Length Under Shoulder: 0.625 INCHES NOMINAL IN; Open End Inside Diameter: 1.000 INCHES NOMINAL IN; Material: PLASTIC. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-721-7921 still in active supply?

NSN 5340-00-721-7921 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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