Adjusting Tool, Valve Tappet5120-01-591-2120

NSN 5120-01-591-2120 · NIIN 015912120 · Part number TO2298

Air Cruisers Company, Llc · FSC 5120 — Hand Tools, Nonedged, Nonpowered · FSG 51 — Hand Tools · CAGE 70167

Government record, cited

NSN 5120-01-591-2120 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-591-2120. Manufacturer of record part number: TO2298.

Also searched as 5120-01-591-2120 · 5120015912120 · NIIN 015912120 · 01-591-2120 · FSC 5120 Hand Tools, Nonedged, Nonpowered · CAGE 70167 · TO2298

Nearby stock numbers ← 5120-01-591-2110 Nozzle, Caulking Gun · 5120-01-591-2123 Clamp, Plier →

Features

Adjusting Tool,valve Tappet — FSC 5120
1 manufacturer part number on file
Manufacturer of record: Air Cruisers Company, Llc

Identification

NSN: 5120-01-591-2120
NIIN: 015912120
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
FSG: 51 — Hand Tools
Primary part number: TO2298
Manufacturer: Air Cruisers Company, Llc

General Description

The Adjusting Tool,valve Tappet, cataloged under National Stock Number 5120-01-591-2120, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Air Cruisers Company, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5120-01-591-2120
Primary Part Number	TO2298
Item Name	Adjusting Tool,valve Tappet
FSC / FSG	5120 / 51 — Hand Tools, Nonedged, Nonpowered
Manufacturer	Air Cruisers Company, 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
TO2298 PRIMARY	Air Cruisers Company, Llc (USA)

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 5120-01-591-2120?

NSN 5120-01-591-2120 is a Adjusting Tool,valve Tappet, manufactured by Air Cruisers Company, Llc, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.

What part numbers are listed for NSN 5120-01-591-2120?

NSN 5120-01-591-2120 has 1 manufacturer part number on file: TO2298 (Air Cruisers Company, Llc).

What are the specifications of TO2298?

Key specifications for TO2298: Part Name Assigned by Controlling Agency: TOOL-RELIEF VALVE. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5120-01-591-2120 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