Tank, Radiator, Overflow2930-01-550-3974

NSN 2930-01-550-3974 · NIIN 015503974 · Part number 147-9611

Caterpillar Inc Div Caterpillar Defense · FSC 2930 — Engine Cooling System Components, Nonaircraft · FSG 29 — Engine Accessories · CAGE 11083

Government record, cited

NSN 2930-01-550-3974 — this item is cataloged by the U.S. Government under National Stock Number 2930-01-550-3974. Manufacturer of record part number: 147-9611.

Also searched as 2930-01-550-3974 · 2930015503974 · NIIN 015503974 · 01-550-3974 · FSC 2930 Engine Cooling System Components, Nonaircraft · CAGE 11083 · 147-9611

Nearby stock numbers ← 2930-01-550-3519 Shroud, Fan, Radiator · 2930-01-550-3980 Cap, Filler Opening →

Features

Tank,radiator,overflow — FSC 2930
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense

Identification

NSN: 2930-01-550-3974
NIIN: 015503974
FSC: 2930 — Engine Cooling System Components, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 147-9611
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The Tank,radiator,overflow, cataloged under National Stock Number 2930-01-550-3974, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	2930-01-550-3974
Primary Part Number	147-9611
Item Name	Tank,radiator,overflow
FSC / FSG	2930 / 29 — Engine Cooling System Components, 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
147-9611 PRIMARY	Caterpillar Inc Div Caterpillar Defense (USA)

Reference documents

Reference	Meaning
147-9611	5/9 Secondary reference Caterpillar of Australia Pty Ltd

Frequently Asked Questions

What is NSN 2930-01-550-3974?

NSN 2930-01-550-3974 is a Tank,radiator,overflow, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.

What part numbers are listed for NSN 2930-01-550-3974?

NSN 2930-01-550-3974 has 1 manufacturer part number on file: 147-9611 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of 147-9611?

Key specifications for 147-9611: Special Features: COOLANT RECOVERY VENT CAP; End Item Identification: USED ON 201-7671 COOLANT RECOVERY GROUP PART OF 203-3845 CATERPILLAR ENGINE INSTALLATION. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2930-01-550-3974 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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