PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8221Cap,protective,dust and Moisture

Caplugs Llc Dba Mokon Div Caplugs · NSN 5340-01-370-1716 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-370-1716 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-370-1716. Primary manufacturer part number: 8221.
Features
  • Cap,protective,dust and Moisture — FSC 5340
  • Tube Outside Diameter for Which Designed: 1.270 INCHES MINIMUM AND 1.310 INCHES MAXIMUM IN
  • Inside Diameter Length: 1.230 INCHES NOMINAL IN
  • Width Across Flats: 1.290 INCHES NOMINAL IN
  • Opening Inside Diameter for Which Designed: 1.210 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
  • Overall Diameter: 3.070 INCHES MINIMUM AND 3.170 INCHES MAXIMUM IN
  • Material: PLASTIC, POLYETHYLENE (PP)
  • 2 verified cross-references
Applications
  • Applications requiring Plastic, Polyethylene (pp) construction
General Description

The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-370-1716, 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 6 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-370-1716
Primary Part Number8221
Item NameCap,protective,dust and Moisture
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerCaplugs Llc Dba Mokon Div Caplugs
StatusACTIVE
Tube Outside Diameter for Which Designed1.270 INCHES MINIMUM AND 1.310 INCHES MAXIMUM IN
Inside Diameter Length1.230 INCHES NOMINAL IN
Width Across Flats1.290 INCHES NOMINAL IN
Opening Inside Diameter for Which Designed1.210 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
Overall Diameter3.070 INCHES MINIMUM AND 3.170 INCHES MAXIMUM IN
MaterialPLASTIC, POLYETHYLENE (PP)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
5340-01-165-76868221 SUCCESSOR
Standoff,threaded,spacing
Dialight Corporation
5930-00-107-5442 INTERCHANGEABLE
Switch,push
3010-00-136-19698-221 INTERCHANGEABLE
Universal Joint,nonvehicular
Apex Tool Group, Llc
5962-00-146-3541NCS1603 INTERCHANGEABLE
Microcircuit,digital
Crane Electronics Inc
5935-00-149-398410A332 INTERCHANGEABLE
Connector,plug,electrical
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5950-00-387-57128221 INTERCHANGEABLE
Core,electromagnetic Component
Stackpole Corp the
2920-00-524-86171118839 INTERCHANGEABLE
Regulator,engine Generator
Borgwarner Pds (anderson), L.l.c.
6660-00-620-7870SMC279835 INTERCHANGEABLE
Indicator,wind Speed
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2530-01-023-74068221 INTERCHANGEABLE
Brake Drum
Pdi Ground Support Systems, Inc.
6150-01-032-99927000636-001 INTERCHANGEABLE
Bus,conductor
Circuit Components Inc.
Cross-Reference Index
Part NumberManufacturer
8221 PRIMARY Caplugs Llc Dba Mokon Div Caplugs (USA)
84001926-003 Woodward Hrt Inc (USA)
Related Parts
5340-01-165-7686SUCCESSOR
STANDOFF,THREADED,SPACING
8221
5930-00-107-5442INTERCHANGEABLE
SWITCH,PUSH
3010-00-136-1969INTERCHANGEABLE
UNIVERSAL JOINT,NONVEHICULAR
8-221
5962-00-146-3541INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
NCS1603
5935-00-149-3984INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
10A332
5950-00-387-5712INTERCHANGEABLE
CORE,ELECTROMAGNETIC COMPONENT
8221
2920-00-524-8617INTERCHANGEABLE
REGULATOR,ENGINE GENERATOR
1118839
6660-00-620-7870INTERCHANGEABLE
INDICATOR,WIND SPEED
SMC279835
2530-01-023-7406INTERCHANGEABLE
BRAKE DRUM
8221
6150-01-032-9992INTERCHANGEABLE
BUS,CONDUCTOR
7000636-001
4330-01-174-3772INTERCHANGEABLE
FILTER ELEMENT,FLUID
P-5-3/4-100-RV3
4820-01-244-8332INTERCHANGEABLE
VALVE,GATE
380-1 PL671-C

Frequently Asked Questions

What is NSN 5340-01-370-1716?

NSN 5340-01-370-1716 is a Cap,protective,dust and Moisture, 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 5340-01-370-1716?

NSN 5340-01-370-1716 has 2 cross-referenced part numbers: 8221 (Caplugs Llc Dba Mokon Div Caplugs), 84001926-003 (Woodward Hrt Inc).

What NSN replaces 5340-01-370-1716?

There are 12 known substitutes for 5340-01-370-1716: 5340-01-165-7686, 5930-00-107-5442, 3010-00-136-1969 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8221?

Key specifications for 8221: Tube Outside Diameter for Which Designed: 1.270 INCHES MINIMUM AND 1.310 INCHES MAXIMUM IN; Inside Diameter Length: 1.230 INCHES NOMINAL IN; Width Across Flats: 1.290 INCHES NOMINAL IN; Opening Inside Diameter for Which Designed: 1.210 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN. 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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