PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2683Cap-Plug,protective,dust and Moi

Heyco Inc Dba Heyco Products · NSN 5340-01-203-1980 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-203-1980 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-203-1980. Primary manufacturer part number: 2683.
Features
  • Cap-Plug,protective,dust and Moi — FSC 5340
  • Material: PLASTIC POLYAMIDE NYLON
  • Length Under Shoulder: 0.344 INCHES NOMINAL IN
  • Closed End Overall Diameter: 0.922 INCHES NOMINAL IN
  • Open End Inside Diameter: 0.750 INCHES NOMINAL IN
  • 3 verified cross-references
  • Primary manufacturer: Heyco Inc Dba Heyco Products
Applications
  • Applications requiring Plastic Polyamide Nylon construction
General Description

The Cap-Plug,protective,dust and Moi, cataloged under National Stock Number 5340-01-203-1980, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Heyco Inc Dba Heyco Products. 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-203-1980
Primary Part Number2683
Item NameCap-Plug,protective,dust and Moi
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerHeyco Inc Dba Heyco Products
StatusACTIVE
MaterialPLASTIC POLYAMIDE NYLON
Length Under Shoulder0.344 INCHES NOMINAL IN
Closed End Overall Diameter0.922 INCHES NOMINAL IN
Open End Inside Diameter0.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 10
4820-00-176-46212683 INTERCHANGEABLE
Valve,safety Relief
Tactair Fluid Controls Inc
3020-00-214-3186 INTERCHANGEABLE
Gear,drive Motion
5305-00-486-16332683 INTERCHANGEABLE
Setscrew
Triumph Engine Control Systems Llc
5310-00-550-1364 INTERCHANGEABLE
Nut,plain,castellated,hexagon
5935-00-824-7588ADT-2683-NF-SMF-02 INTERCHANGEABLE
Adapter,connector
Cinch Connectivity Solutions Inc
2940-01-010-894442683 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
5998-01-029-98331203513-4 INTERCHANGEABLE
Circuit Card Assembly
Lockheed Martin Corporation Div Rms - Mitchel Field
5430-01-074-81092683 INTERCHANGEABLE
Tank,liquid Storage
Mag Aerospace Industries, Llc Div Safran Cabins
5310-01-140-78372683 INTERCHANGEABLE
Washer,shouldered
Dialight Corporation
1005-01-546-39022683 INTERCHANGEABLE
Pad,recoil
U.s. Ordnance
Cross-Reference Index
Part NumberManufacturer
5340-009-0001 Textron Systems Corporation Dba Textron Systems Corp (USA)
5340PL1972316 Jednolity Indeks Materialowy - Uniform Material Index (POL)
2683 PRIMARY Heyco Inc Dba Heyco Products (USA)
Related Parts
4820-00-176-4621INTERCHANGEABLE
VALVE,SAFETY RELIEF
2683
3020-00-214-3186INTERCHANGEABLE
GEAR,DRIVE MOTION
5305-00-486-1633INTERCHANGEABLE
SETSCREW
2683
5310-00-550-1364INTERCHANGEABLE
NUT,PLAIN,CASTELLATED,HEXAGON
5935-00-824-7588INTERCHANGEABLE
ADAPTER,CONNECTOR
ADT-2683-NF-SMF-02
2940-01-010-8944INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42683
5998-01-029-9833INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
1203513-4
5430-01-074-8109INTERCHANGEABLE
TANK,LIQUID STORAGE
2683
5310-01-140-7837INTERCHANGEABLE
WASHER,SHOULDERED
2683
1005-01-546-3902INTERCHANGEABLE
PAD,RECOIL
2683

Frequently Asked Questions

What is NSN 5340-01-203-1980?

NSN 5340-01-203-1980 is a Cap-Plug,protective,dust and Moi, manufactured by Heyco Inc Dba Heyco Products, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-203-1980?

NSN 5340-01-203-1980 has 3 cross-referenced part numbers: 5340-009-0001 (Textron Systems Corporation Dba Textron Systems Corp), 5340PL1972316 (Jednolity Indeks Materialowy - Uniform Material Index), 2683 (Heyco Inc Dba Heyco Products).

What NSN replaces 5340-01-203-1980?

There are 10 known substitutes for 5340-01-203-1980: 4820-00-176-4621, 3020-00-214-3186, 5305-00-486-1633 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2683?

Key specifications for 2683: Material: PLASTIC POLYAMIDE NYLON; Length Under Shoulder: 0.344 INCHES NOMINAL IN; Closed End Overall Diameter: 0.922 INCHES NOMINAL IN; Open End Inside Diameter: 0.750 INCHES NOMINAL IN. 4 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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