PartsTable TECHNICAL DATA SHEET

NSN 2990-01-555-5134Government record, cited

Switch, Engine Temperature, Automo2990-01-555-5134

NSN 2990-01-555-5134 · NIIN 015555134 · Part number 256-6453

Caterpillar Inc Div Caterpillar Defense · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 11083

Government record, cited

NSN 2990-01-555-5134 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-555-5134. Manufacturer of record part number: 256-6453.

Also searched as 2990-01-555-5134 · 2990015555134 · NIIN 015555134 · 01-555-5134 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 11083 · 256-6453 · 10099834 · 17KP240 · 0748433 · 17KP240

Nearby stock numbers ← 2990-01-555-4954 Muffler, Exhaust · 2990-01-555-5683 Exhaust System, Engine →

Features

Switch,engine Temperature,automo — FSC 2990
2 manufacturer part numbers on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense

Identification

NSN: 2990-01-555-5134
NIIN: 015555134
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 256-6453
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The Switch,engine Temperature,automo, cataloged under National Stock Number 2990-01-555-5134, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	2990-01-555-5134
Primary Part Number	256-6453
Item Name	Switch,engine Temperature,automo
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Manufacturer	Caterpillar Inc Div Caterpillar Defense
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
0748433	General Dynamics European, Land-Systems-Mowag Gmbh Dba Gdels (CHE)
256-6453 PRIMARY	Caterpillar Inc Div Caterpillar Defense (USA)

Reference documents

Reference	Meaning
10099834	6/9 Informative reference only Nimikkeistokeskus Ncb Finland
17KP240	5/9 Secondary reference Oshkosh Corp
17KP240	5/9 Secondary reference Oshkosh Defense Llc

No interchangeability data on file.

Other items in FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft

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

2990-00-001-0001

BLOWER ASSEMBLY

2990-00-001-1248

2990-00-001-1248 · Item name not on file

2990-00-001-1250

2990-00-001-1250 · Item name not on file

2990-00-001-2055

2990-00-001-2055 · Item name not on file

2990-00-001-3498

2990-00-001-3498 · Item name not on file

2990-00-001-3520

2990-00-001-3520 · Item name not on file

2990-00-001-3521

2990-00-001-3521 · Item name not on file

2990-00-001-3522

CAP ASSEMBLY,MUFFLE

Frequently Asked Questions

What is NSN 2990-01-555-5134?

NSN 2990-01-555-5134 is a Switch,engine Temperature,automo, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-555-5134?

NSN 2990-01-555-5134 has 2 manufacturer part numbers on file: 0748433 (General Dynamics European, Land-Systems-Mowag Gmbh Dba Gdels), 256-6453 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of 256-6453?

Key specifications for 256-6453: End Item Identification: NSN: 3805-01-533-1857 ITEM NAME: LOADER, SCOOP TYPE. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2990-01-555-5134 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.

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