PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49284Plug,vent

Eaton Aerospace, Llc Dba Jackson South · NSN 5340-00-731-5343 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-731-5343 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-731-5343. Primary manufacturer part number: 49284.
Features
  • Plug,vent — FSC 5340
  • End Connection Type: THREADED
  • Thread Size and Series/type Designator: 0.750-14 NPT
  • Vent Hole Quantity: 1
  • Vent Hole Diameter: 0.125 INCHES NOMINAL IN
  • Vent Hole Shape: ROUND
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Aerospace, Llc Dba Jackson South
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Plug,vent, cataloged under National Stock Number 5340-00-731-5343, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 5 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-731-5343
Primary Part Number49284
Item NamePlug,vent
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
End Connection TypeTHREADED
Thread Size and Series/type Designator0.750-14 NPT
Vent Hole Quantity1
Vent Hole Diameter0.125 INCHES NOMINAL IN
Vent Hole ShapeROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
5330-00-153-7633102327 INTERCHANGEABLE
Seal,plain
Dana Off Highway Products, Llc
1005-01-605-562349284 INTERCHANGEABLE
Spring,helical,compression
Fn America Llc Div Columbia, Sc
Cross-Reference Index
Part NumberManufacturer
49284 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
5330-00-153-7633INTERCHANGEABLE
SEAL,PLAIN
102327
1005-01-605-5623INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
49284

Frequently Asked Questions

What is NSN 5340-00-731-5343?

NSN 5340-00-731-5343 is a Plug,vent, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-731-5343?

NSN 5340-00-731-5343 has 1 cross-referenced part number: 49284 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 5340-00-731-5343?

There are 2 known substitutes for 5340-00-731-5343: 5330-00-153-7633, 1005-01-605-5623. Verify interchangeability with system specifications before substitution.

What are the specifications of 49284?

Key specifications for 49284: End Connection Type: THREADED; Thread Size and Series/type Designator: 0.750-14 NPT; Vent Hole Quantity: 1; Vent Hole Diameter: 0.125 INCHES NOMINAL IN. 5 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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