Heater, Coolant, Engine2990-01-478-0409

NSN 2990-01-478-0409 · NIIN 014780409 · Part number 136770

Cadillac Gage Textron Inc. · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 10237

Government record, cited

NSN 2990-01-478-0409 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-478-0409. Manufacturer of record part number: 136770.

Also searched as 2990-01-478-0409 · 2990014780409 · NIIN 014780409 · 01-478-0409 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 10237 · 136770 · 216662

Nearby stock numbers ← 2990-01-477-6868 Parts Kit, Diesel Engine Governor · 2990-01-478-0600 Sensor, Throttle Position →

Features

Heater,coolant,engine — FSC 2990
1 manufacturer part number on file
Manufacturer of record: Cadillac Gage Textron Inc.

Identification

NSN: 2990-01-478-0409
NIIN: 014780409
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 136770
Manufacturer: Cadillac Gage Textron Inc.

General Description

The Heater,coolant,engine, cataloged under National Stock Number 2990-01-478-0409, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Cadillac Gage Textron Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2990-01-478-0409
Primary Part Number	136770
Item Name	Heater,coolant,engine
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Manufacturer	Cadillac Gage Textron Inc.
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
136770 PRIMARY	Cadillac Gage Textron Inc. (USA)

Reference documents

Reference	Meaning
216662	5/9 Secondary reference Cadillac Gage Textron Inc.

Frequently Asked Questions

What is NSN 2990-01-478-0409?

NSN 2990-01-478-0409 is a Heater,coolant,engine, manufactured by Cadillac Gage Textron Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-478-0409?

NSN 2990-01-478-0409 has 1 manufacturer part number on file: 136770 (Cadillac Gage Textron Inc.).

What are the specifications of 136770?

Key specifications for 136770: End Item Identification: DIRECT VENDOR DELIVERY (DVD), MODEL XM1117, ARMORED SECURITY VEHICLE (ASV), NSN 2320-01-437-6957, CAGE 10237, PART NUMBER 216098, TM 9-2320-307-24P, CONTRACT DAAE07-99-C-S001. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2990-01-478-0409 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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