Sump, Oil Transmission1615-01-321-5489

NSN 1615-01-321-5489 · NIIN 013215489 · Part number 4M7081

Caterpillar Inc Div Caterpillar Defense · FSC 1615 — Helicopter Rotor Blades, Drive Mechanisms and Components · FSG 16 — Aircraft Components and Accessories · CAGE 11083

Government record, cited

NSN 1615-01-321-5489 — this item is cataloged by the U.S. Government under National Stock Number 1615-01-321-5489. Manufacturer of record part number: 4M7081.

Also searched as 1615-01-321-5489 · 1615013215489 · NIIN 013215489 · 01-321-5489 · FSC 1615 Helicopter Rotor Blades, Drive Mechanisms and Components · CAGE 11083 · 4M7081

Nearby stock numbers ← 1615-01-321-3077 Head, Rotary Wing · 1615-01-321-7920 Head, Rotary Wing →

Features

Sump,oil Transmission — FSC 1615
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense

Identification

NSN: 1615-01-321-5489
NIIN: 013215489
FSC: 1615 — Helicopter Rotor Blades, Drive Mechanisms and Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: 4M7081
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The Sump,oil Transmission, cataloged under National Stock Number 1615-01-321-5489, is classified within Federal Supply Class 1615 (Helicopter Rotor Blades, Drive Mechanisms and Components) of the Aircraft Components and 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. Current acquisition status: Active.

Catalog Facts

Item Name	Sump,oil Transmission
FSC / FSG	1615 — Helicopter Rotor Blades, Drive Mechanisms and Components (FSG 16)
Manufacturers	Caterpillar Inc Div Caterpillar Defense (CAGE 11083)

Technical Specifications

Parameter	Value
NSN	1615-01-321-5489
Primary Part Number	4M7081
Item Name	Sump,oil Transmission
FSC / FSG	1615 / 16 — Helicopter Rotor Blades, Drive Mechanisms and Components
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
4M7081 PRIMARY	Caterpillar Inc Div Caterpillar Defense (USA)

No interchangeability data on file.

Other items in FSC 1615 — Helicopter Rotor Blades, Drive Mechanisms and Components

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

1615-00-001-1399

1615-00-001-1399 · Item name not on file

1615-00-001-1400

1615-00-001-1400 · Item name not on file

1615-00-001-1774

1615-00-001-1774 · Item name not on file

1615-00-001-2675

1615-00-001-2675 · Item name not on file

1615-00-001-6441

1615-00-001-6441 · Item name not on file

1615-00-001-6442

1615-00-001-6442 · Item name not on file

1615-00-003-1146

BOLT ASSEMBLY,ROTARY WING HEAD

1615-00-003-1147

1615-00-003-1147 · Item name not on file

Frequently Asked Questions

What is NSN 1615-01-321-5489?

NSN 1615-01-321-5489 is a Sump,oil Transmission, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 1615, Helicopter Rotor Blades, Drive Mechanisms and Components. Status: active.

What part numbers are listed for NSN 1615-01-321-5489?

NSN 1615-01-321-5489 has 1 manufacturer part number on file: 4M7081 (Caterpillar Inc Div Caterpillar Defense).

Is NSN 1615-01-321-5489 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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