PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40309Plug,vent

Tyco Fire Products Lp · NSN 5340-01-272-7394 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-272-7394 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-272-7394. Primary manufacturer part number: 40309.
Features
  • Plug,vent — FSC 5340
  • 1 verified cross-reference
  • Primary manufacturer: Tyco Fire Products Lp
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Plug,vent, cataloged under National Stock Number 5340-01-272-7394, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Tyco Fire Products Lp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NamePlug,vent
FSC / FSG5340 — No Item Name Available (FSG 53)
ManufacturersTyco Fire Products Lp (CAGE 03670)
Technical Specifications
ParameterValue
NSN5340-01-272-7394
Primary Part Number40309
Item NamePlug,vent
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerTyco Fire Products Lp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 7
5330-00-085-2345668879 INTERCHANGEABLE
Gasket
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
3040-00-234-399602261-0280-21 INTERCHANGEABLE
Shaft,straight
Asrc Federal Facilities Logistics, Llc
3040-00-270-80494500-281 INTERCHANGEABLE
Connecting Link,rigid
Tyee Aircraft Inc Div Tyee Aircraft
5310-00-509-2129C119051 INTERCHANGEABLE
Washer,recessed
Schwitzer Engine Components a Household Intl Co
5915-00-853-24817758918P1 INTERCHANGEABLE
Filter,band Pass
Lockheed Martin Corporation Div Rms
5133-01-095-6718 INTERCHANGEABLE
Drill,twist
5310-01-579-854040309 INTERCHANGEABLE
Nut,plain,hexagon
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
40309 PRIMARY Tyco Fire Products Lp (USA)
Related Parts
5330-00-085-2345INTERCHANGEABLE
GASKET
668879
3040-00-234-3996INTERCHANGEABLE
SHAFT,STRAIGHT
02261-0280-21
3040-00-270-8049INTERCHANGEABLE
CONNECTING LINK,RIGID
4500-281
5310-00-509-2129INTERCHANGEABLE
WASHER,RECESSED
C119051
5915-00-853-2481INTERCHANGEABLE
FILTER,BAND PASS
7758918P1
5133-01-095-6718INTERCHANGEABLE
DRILL,TWIST
5310-01-579-8540INTERCHANGEABLE
NUT,PLAIN,HEXAGON
40309

Frequently Asked Questions

What is NSN 5340-01-272-7394?

NSN 5340-01-272-7394 is a Plug,vent, manufactured by Tyco Fire Products Lp, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-272-7394?

NSN 5340-01-272-7394 has 1 cross-referenced part number: 40309 (Tyco Fire Products Lp).

What NSN replaces 5340-01-272-7394?

There are 7 known substitutes for 5340-01-272-7394: 5330-00-085-2345, 3040-00-234-3996, 3040-00-270-8049 and 4 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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