PartsTable TECHNICAL DATA SHEET

NSN 5120-00-464-6540Government record, cited

Tool, Air Vent Check Valve5120-00-464-6540

NSN 5120-00-464-6540 · NIIN 004646540 · Part number C161-122

Zenith Fuel Systems Llc · FSC 5120 — Hand Tools, Nonedged, Nonpowered · FSG 51 — Hand Tools · CAGE 79960

Government record, cited

NSN 5120-00-464-6540 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-464-6540. Manufacturer of record part number: C161-122.

Also searched as 5120-00-464-6540 · 5120004646540 · NIIN 004646540 · 00-464-6540 · FSC 5120 Hand Tools, Nonedged, Nonpowered · CAGE 79960 · C161-122

Nearby stock numbers ← 5120-00-464-6405 · 5120-00-465-0549 Wrench, Spanner →

Features

Tool,air Vent Check Valve — FSC 5120
1 manufacturer part number on file
Manufacturer of record: Zenith Fuel Systems Llc

Identification

NSN: 5120-00-464-6540
NIIN: 004646540
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
FSG: 51 — Hand Tools
Primary part number: C161-122
Manufacturer: Zenith Fuel Systems Llc

General Description

The Tool,air Vent Check Valve, cataloged under National Stock Number 5120-00-464-6540, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Zenith Fuel Systems Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5120-00-464-6540
Primary Part Number	C161-122
Item Name	Tool,air Vent Check Valve
FSC / FSG	5120 / 51 — Hand Tools, Nonedged, Nonpowered
Manufacturer	Zenith Fuel Systems Llc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
C161-122 PRIMARY	Zenith Fuel Systems Llc (USA)

Reference documents

Reference	Meaning
C161-122	5/9 Secondary reference Bendix Corp the
C161-122	5/9 Secondary reference Allied Automotive Allied Aftermarket Div

No interchangeability data on file.

Other items in FSC 5120 — Hand Tools, Nonedged, Nonpowered

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

5120-00-001-2642

ADAPTER,TORQUE WRENCH

5120-00-001-2644

ADAPTER,TORQUE WRENCH

5120-00-001-2650

INSERTER,SEAL

5120-00-001-2651

5120-00-001-2651 · Item name not on file

5120-00-001-2652

INSTALLING TOOL,SHAFT

5120-00-001-2653

REMOVER,PREFORMED PACKING

5120-00-001-2654

REMOVER,PREFORMED PACKING

5120-00-001-2655

SOCKET,WRENCH,FACE SPANNER

Frequently Asked Questions

What is NSN 5120-00-464-6540?

NSN 5120-00-464-6540 is a Tool,air Vent Check Valve, manufactured by Zenith Fuel Systems Llc, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.

What part numbers are listed for NSN 5120-00-464-6540?

NSN 5120-00-464-6540 has 1 manufacturer part number on file: C161-122 (Zenith Fuel Systems Llc).

What are the specifications of C161-122?

Key specifications for C161-122: End Item Identification: 5180-00-212-4730. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5120-00-464-6540 hazardous material?

No hazard code in the DLA record (HMIC N). 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.

PartsTable Design LLC · partstable.com