Plug, Vent5340-00-489-6786

NSN 5340-00-489-6786 · NIIN 004896786 · Part number C77-14-16

Zenith Fuel Systems Llc · FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives · CAGE 79960

Government record, cited

NSN 5340-00-489-6786 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-489-6786. Manufacturer of record part number: C77-14-16.

Also searched as 5340-00-489-6786 · 5340004896786 · NIIN 004896786 · 00-489-6786 · FSC 5340 Hardware, Commercial · CAGE 79960 · C77-14-16

Nearby stock numbers ← 5340-00-489-6518 · 5340-00-489-7132 Strap, Webbing →

Features

Plug,vent — FSC 5340
Length: 0.375 INCHES NOMINAL IN
Thread Length: 0.250 INCHES NOMINAL IN
End Connection Type: THREADED
Outside Diameter: 0.188 INCHES NOMINAL IN
Thread Class: 3A A
Material: COPPER ALLOY
Thread Size and Series/type Designator: 0.250-32 UNEF

Identification

NSN: 5340-00-489-6786
NIIN: 004896786
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
Primary part number: C77-14-16
Manufacturer: Zenith Fuel Systems Llc

General Description

The Plug,vent, cataloged under National Stock Number 5340-00-489-6786, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Zenith Fuel Systems Llc. Government technical data includes 7 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	5340-00-489-6786
Primary Part Number	C77-14-16
Item Name	Plug,vent
FSC / FSG	5340 / 53 — Hardware, Commercial
Manufacturer	Zenith Fuel Systems Llc
Status	ACTIVE
Length	0.375 INCHES NOMINAL IN
Thread Length	0.250 INCHES NOMINAL IN
End Connection Type	THREADED
Outside Diameter	0.188 INCHES NOMINAL IN
Thread Class	3A A
Material	COPPER ALLOY
Thread Size and Series/type Designator	0.250-32 UNEF

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
C77-14-16 PRIMARY	Zenith Fuel Systems Llc (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 5340-00-489-6786?

NSN 5340-00-489-6786 is a Plug,vent, manufactured by Zenith Fuel Systems Llc, classified under FSC 5340, Hardware, Commercial. Status: active.

What part numbers are listed for NSN 5340-00-489-6786?

NSN 5340-00-489-6786 has 1 manufacturer part number on file: C77-14-16 (Zenith Fuel Systems Llc).

What are the specifications of C77-14-16?

Key specifications for C77-14-16: Length: 0.375 INCHES NOMINAL IN; Thread Length: 0.250 INCHES NOMINAL IN; End Connection Type: THREADED; Outside Diameter: 0.188 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5340-00-489-6786 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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