PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2766Plug,vent

Heyco Inc Dba Heyco Products · NSN 5340-01-458-2899 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-458-2899 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-458-2899. Primary manufacturer part number: 2766.
Features
  • Plug,vent — FSC 5340
  • Vent Hole Quantity: 13
  • Length: 0.4530 INCHES NOMINAL IN
  • Vent Hole Shape: ROUND
  • Outside Diameter: 1.6710 INCHES NOMINAL IN
  • End Connection Type: UNTHREADED
  • Vent Hole Diameter: 0.1250 INCHES NOMINAL IN
  • Material: PLASTIC POLYHEXAMETHYLENE ADIPAMIDE
Applications
  • Applications requiring Plastic Polyhexamethylene Adipamide construction
General Description

The Plug,vent, cataloged under National Stock Number 5340-01-458-2899, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5340-01-458-2899
Primary Part Number2766
Item NamePlug,vent
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerHeyco Inc Dba Heyco Products
StatusACTIVE
Vent Hole Quantity13
Length0.4530 INCHES NOMINAL IN
Vent Hole ShapeROUND
Outside Diameter1.6710 INCHES NOMINAL IN
End Connection TypeUNTHREADED
Vent Hole Diameter0.1250 INCHES NOMINAL IN
MaterialPLASTIC POLYHEXAMETHYLENE ADIPAMIDE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
5325-00-290-3777 INTERCHANGEABLE
Grommet,nonmetallic
3120-00-394-6469 INTERCHANGEABLE
Bearing,sleeve
5950-00-399-7545SM-A-121765G2 INTERCHANGEABLE
Coil,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5985-00-736-4649 INTERCHANGEABLE
Adapter,waveguide
5940-00-852-15032766 INTERCHANGEABLE
Terminal,lug
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
3830-00-886-10303002766-8 INTERCHANGEABLE
Breather Assembly
New Holland Construction
5910-00-950-05212766 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Ballantine Laboratories Inc
5305-01-127-12972766 INTERCHANGEABLE
Screw
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
6150-01-184-73672766 INTERCHANGEABLE
Lead,electrical
Avo Multi-Amp Corp
3040-01-313-46852766 INTERCHANGEABLE
Cam,control
Panish Marine Systems, Llc
Cross-Reference Index
Part NumberManufacturer
2766 PRIMARY Heyco Inc Dba Heyco Products (USA)
Related Parts
5325-00-290-3777INTERCHANGEABLE
GROMMET,NONMETALLIC
3120-00-394-6469INTERCHANGEABLE
BEARING,SLEEVE
5950-00-399-7545INTERCHANGEABLE
COIL,RADIO FREQUENCY
SM-A-121765G2
5985-00-736-4649INTERCHANGEABLE
ADAPTER,WAVEGUIDE
5940-00-852-1503INTERCHANGEABLE
TERMINAL,LUG
2766
3830-00-886-1030INTERCHANGEABLE
BREATHER ASSEMBLY
3002766-8
5910-00-950-0521INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
2766
5305-01-127-1297INTERCHANGEABLE
SCREW
2766
6150-01-184-7367INTERCHANGEABLE
LEAD,ELECTRICAL
2766
3040-01-313-4685INTERCHANGEABLE
CAM,CONTROL
2766
4110-01-344-7293INTERCHANGEABLE
REFRIGERATION UNIT,MECHANICAL
2766
3040-01-596-2050INTERCHANGEABLE
CAM,CONTROL
2766

Frequently Asked Questions

What is NSN 5340-01-458-2899?

NSN 5340-01-458-2899 is a Plug,vent, manufactured by Heyco Inc Dba Heyco Products, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-458-2899?

NSN 5340-01-458-2899 has 1 cross-referenced part number: 2766 (Heyco Inc Dba Heyco Products).

What NSN replaces 5340-01-458-2899?

There are 12 known substitutes for 5340-01-458-2899: 5325-00-290-3777, 3120-00-394-6469, 5950-00-399-7545 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2766?

Key specifications for 2766: Vent Hole Quantity: 13; Length: 0.4530 INCHES NOMINAL IN; Vent Hole Shape: ROUND; Outside Diameter: 1.6710 INCHES NOMINAL IN. 7 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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