Plug, Vent5340-01-495-1787

NSN 5340-01-495-1787 · NIIN 014951787 · Part number 4UN93

W.w. Grainger, Inc. Div Government Sales Division · FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives · CAGE 25795

Government record, cited

NSN 5340-01-495-1787 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-495-1787. Manufacturer of record part number: 4UN93.

Also searched as 5340-01-495-1787 · 5340014951787 · NIIN 014951787 · 01-495-1787 · FSC 5340 Hardware, Commercial · CAGE 25795 · 4UN93

Nearby stock numbers ← 5340-01-495-1639 Clamp, Loop · 5340-01-495-1804 Terminal, Hook →

Features

Plug,vent — FSC 5340
Vent Hole Diameter: 0.250 INCHES NOMINAL IN
Length: 3.375 INCHES NOMINAL IN
Vent Hole Shape: ROUND
Outside Diameter: 2.000 INCHES NOMINAL IN
Material: COPPER ALLOY
Vent Hole Quantity: 1
1 manufacturer part number on file

Identification

NSN: 5340-01-495-1787
NIIN: 014951787
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
Primary part number: 4UN93
Manufacturer: W.w. Grainger, Inc. Div Government Sales Division

General Description

The Plug,vent, cataloged under National Stock Number 5340-01-495-1787, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is W.w. Grainger, Inc. Div Government Sales Division. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications

Parameter	Value
NSN	5340-01-495-1787
Primary Part Number	4UN93
Item Name	Plug,vent
FSC / FSG	5340 / 53 — Hardware, Commercial
Manufacturer	W.w. Grainger, Inc. Div Government Sales Division
Status	ACTIVE
Vent Hole Diameter	0.250 INCHES NOMINAL IN
Length	3.375 INCHES NOMINAL IN
Vent Hole Shape	ROUND
Outside Diameter	2.000 INCHES NOMINAL IN
Material	COPPER ALLOY
Vent Hole Quantity	1

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code	X
Unit of Issue	EA

Cross-Reference Index

Part Number	Manufacturer
4UN93 PRIMARY	W.w. Grainger, Inc. Div Government Sales Division (USA)

No interchangeability data on file.

Other items in FSC 5340 — Hardware, Commercial

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5340-00-000-0068

COVER,ACCESS

5340-00-000-0132

SEAT,HELICAL COMPRESSION SPRING

5340-00-000-8150

5340-00-000-8150 · Item name not on file

5340-00-001-1251

5340-00-001-1251 · Item name not on file

5340-00-001-1264

STRAP,WEBBING

5340-00-001-1265

STRAP,WEBBING

5340-00-001-1266

STRAP,WEBBING

5340-00-001-1275

HANDLE,DOOR

Frequently Asked Questions

What is NSN 5340-01-495-1787?

NSN 5340-01-495-1787 is a Plug,vent, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 5340, Hardware, Commercial. Status: active.

What part numbers are listed for NSN 5340-01-495-1787?

NSN 5340-01-495-1787 has 1 manufacturer part number on file: 4UN93 (W.w. Grainger, Inc. Div Government Sales Division).

What are the specifications of 4UN93?

Key specifications for 4UN93: Vent Hole Diameter: 0.250 INCHES NOMINAL IN; Length: 3.375 INCHES NOMINAL IN; Vent Hole Shape: ROUND; Outside Diameter: 2.000 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 5340-01-495-1787 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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