PartsTable TECHNICAL DATA SHEET

NSN 4130-01-439-4591Government record, cited

Compressor, Refrigeration4130-01-439-4591

NSN 4130-01-439-4591 · NIIN 014394591 · Part number 9Y1953

Caterpillar Inc Div Caterpillar Defense · FSC 4130 — Refrigeration and Air Conditioning Components · FSG 41 — Refrigeration, AC, and Air Circulating Equipment · CAGE 11083

Government record, cited

NSN 4130-01-439-4591 — this item is cataloged by the U.S. Government under National Stock Number 4130-01-439-4591. Manufacturer of record part number: 9Y1953.

Also searched as 4130-01-439-4591 · 4130014394591 · NIIN 014394591 · 01-439-4591 · FSC 4130 Refrigeration and Air Conditioning Components · CAGE 11083 · 9Y1953

Nearby stock numbers ← 4130-01-439-3460 Filter Element, Air Conditioning · 4130-01-439-6228 Filter Element, Air Conditioning →

Features

Compressor,refrigeration — FSC 4130
Supplementary Features: END ITEM IDENTIFICATION - CONDITIONER AR, 950F WHEEL LOADER, CATERPILLAR INC
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense

Identification

NSN: 4130-01-439-4591
NIIN: 014394591
FSC: 4130 — Refrigeration and Air Conditioning Components
FSG: 41 — Refrigeration, AC, and Air Circulating Equipment
Primary part number: 9Y1953
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The Compressor,refrigeration, cataloged under National Stock Number 4130-01-439-4591, is classified within Federal Supply Class 4130 (Refrigeration and Air Conditioning Components) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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	4130-01-439-4591
Primary Part Number	9Y1953
Item Name	Compressor,refrigeration
FSC / FSG	4130 / 41 — Refrigeration and Air Conditioning Components
Manufacturer	Caterpillar Inc Div Caterpillar Defense
Status	ACTIVE
Supplementary Features	END ITEM IDENTIFICATION - CONDITIONER AR, 950F WHEEL LOADER, CATERPILLAR INC

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
9Y1953 PRIMARY	Caterpillar Inc Div Caterpillar Defense (USA)

No interchangeability data on file.

Other items in FSC 4130 — Refrigeration and Air Conditioning Components

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

4130-00-000-0147

FILTER MEDIA,AIR CONDITIONING

4130-00-000-0166

4130-00-000-0166 · Item name not on file

4130-00-001-6584

4130-00-001-6584 · Item name not on file

4130-00-001-7999

4130-00-001-7999 · Item name not on file

4130-00-001-8020

4130-00-001-8020 · Item name not on file

4130-00-001-9120

COMPRESSOR UNIT,REFRIGERATION

4130-00-001-9410

4130-00-001-9410 · Item name not on file

4130-00-001-9424

4130-00-001-9424 · Item name not on file

Frequently Asked Questions

What is NSN 4130-01-439-4591?

NSN 4130-01-439-4591 is a Compressor,refrigeration, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.

What part numbers are listed for NSN 4130-01-439-4591?

NSN 4130-01-439-4591 has 1 manufacturer part number on file: 9Y1953 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of 9Y1953?

Key specifications for 9Y1953: Supplementary Features: END ITEM IDENTIFICATION - CONDITIONER AR, 950F WHEEL LOADER, CATERPILLAR INC. 1 specification is documented in the U.S. Government catalog.

Is NSN 4130-01-439-4591 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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