PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33373Plug,vent

Valcor Engineering Corporation · NSN 5340-00-349-1669 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-349-1669 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-349-1669. Primary manufacturer part number: 33373.
Features
  • Plug,vent — FSC 5340
  • Material: ALUMINUM ALLOY
  • Outside Diameter: 0.750 INCHES NOMINAL IN
  • Vent Hole Quantity: 2
  • Length: 0.468 INCHES NOMINAL IN
  • Unthreaded End Length: 0.278 INCHES NOMINAL IN
  • End Connection Type: THREADED
  • Inside Diameter: 0.240 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Plug,vent, cataloged under National Stock Number 5340-00-349-1669, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Valcor Engineering Corporation. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-349-1669
Primary Part Number33373
Item NamePlug,vent
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerValcor Engineering Corporation
StatusACTIVE
MaterialALUMINUM ALLOY
Outside Diameter0.750 INCHES NOMINAL IN
Vent Hole Quantity2
Length0.468 INCHES NOMINAL IN
Unthreaded End Length0.278 INCHES NOMINAL IN
End Connection TypeTHREADED
Inside Diameter0.240 INCHES NOMINAL IN
Thread Size and Series/type Designator0.750-28 UN
Vent Hole Diameter0.094 INCHES NOMINAL IN
Thread Class2A A
Unthreaded End Diameter0.338 INCHES NOMINAL IN
Surface TreatmentANODIZE
Vent Hole ShapeROUND
Thread Length0.190 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5340-01-131-0081 (333)
HAZMATNo
Unit of IssueEA
Verified Substitutes 9
5340-01-131-0081333 SUCCESSOR
Latch Set,rim
Ventfabrics Inc
3456-00-401-4760 INTERCHANGEABLE
Roll Set,roller Tube Expander
2910-00-470-12411174483 INTERCHANGEABLE
Filter Element,fluid
Deutz Corporation
3110-00-608-1551PS33373 INTERCHANGEABLE
Bearing,ball,annular
Honeywell International Inc. Div Aerospace - Torrance
3040-01-044-783433373 INTERCHANGEABLE
Gearshaft,spur
Ingersoll-Rand Company Dba Ingersoll-Rand
3110-01-144-6020Y303373 INTERCHANGEABLE
Bearing,roller
Maytag Corporation Dba Maytag Appliancessales
6210-01-171-3218 INTERCHANGEABLE
Light Assembly,indicator
4820-01-420-521833373 INTERCHANGEABLE
Valve Assembly,manifold
Tate Andale, Llc
5330-01-533-237833373 INTERCHANGEABLE
Gasket
Westerbeke Corporation
Cross-Reference Index
Part NumberManufacturer
333 J W G Inc Delaware Oh (USA)
33373 Kidde Technologies, Inc Div Kidde Aerospace and Defense (USA)
33373 PRIMARY Valcor Engineering Corporation (USA)
33373 Kidde-Fenwal, Llc (USA)
5340PL0878350 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
SUCCESSOR 5340-01-131-0081 Latch Set,rim · 333
3456-00-401-4760INTERCHANGEABLE
ROLL SET,ROLLER TUBE EXPANDER
2910-00-470-1241INTERCHANGEABLE
FILTER ELEMENT,FLUID
1174483
3110-00-608-1551INTERCHANGEABLE
BEARING,BALL,ANNULAR
PS33373
3040-01-044-7834INTERCHANGEABLE
GEARSHAFT,SPUR
33373
3110-01-144-6020INTERCHANGEABLE
BEARING,ROLLER
Y303373
6210-01-171-3218INTERCHANGEABLE
LIGHT ASSEMBLY,INDICATOR
4820-01-420-5218INTERCHANGEABLE
VALVE ASSEMBLY,MANIFOLD
33373
5330-01-533-2378INTERCHANGEABLE
GASKET
33373

Frequently Asked Questions

What is NSN 5340-00-349-1669?

NSN 5340-00-349-1669 is a Plug,vent, manufactured by Valcor Engineering Corporation, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-349-1669?

NSN 5340-00-349-1669 has 5 cross-referenced part numbers: 333 (J W G Inc Delaware Oh), 33373 (Kidde Technologies, Inc Div Kidde Aerospace and Defense), 33373 (Valcor Engineering Corporation), 33373 (Kidde-Fenwal, Llc), 5340PL0878350 (Jednolity Indeks Materialowy - Uniform Material Index).

What NSN replaces 5340-00-349-1669?

There are 9 known substitutes for 5340-00-349-1669: 5340-01-131-0081, 3456-00-401-4760, 2910-00-470-1241 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 33373?

Key specifications for 33373: Material: ALUMINUM ALLOY; Outside Diameter: 0.750 INCHES NOMINAL IN; Vent Hole Quantity: 2; Length: 0.468 INCHES NOMINAL IN. 14 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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