Driveshaft, Oil Cooler1615-01-451-1578

NSN 1615-01-451-1578 · NIIN 014511578

FSC 1615 — Helicopter Rotor Blades, Drive Mechanisms and Components · FSG 16 — Aircraft Components and Accessories

Government record, cited

Also searched as 1615-01-451-1578 · 1615014511578 · NIIN 014511578 · 01-451-1578 · FSC 1615 Helicopter Rotor Blades, Drive Mechanisms and Components

Nearby stock numbers ← 1615-01-450-9486 Gearbox, Accessory Drive, Turbine · 1615-01-451-8200 Modification Kit, Aircraft Compon →

Features

Driveshaft,oil Cooler — FSC 1615
General Characteristics Item Description: CONSISTS OF FLANGE 2;SLIDE 2;SHAFT 1;NUT 2;BALL BEARINGS 78;O RING 6;GREASE FITTING 2;RUNS OIL COOLER FAN
Reference Data and Literature: T.O.1H53(M)J-4
Surface Treatment: OXIDE
Material: STEEL

Identification

NSN: 1615-01-451-1578
NIIN: 014511578
FSC: 1615 — Helicopter Rotor Blades, Drive Mechanisms and Components
FSG: 16 — Aircraft Components and Accessories

General Description

The Driveshaft,oil Cooler, cataloged under National Stock Number 1615-01-451-1578, is classified within Federal Supply Class 1615 (Helicopter Rotor Blades, Drive Mechanisms and Components) of the Aircraft Components and Accessories group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	1615-01-451-1578
Item Name	Driveshaft,oil Cooler
FSC / FSG	1615 / 16 — Helicopter Rotor Blades, Drive Mechanisms and Components
Status	ACTIVE
General Characteristics Item Description	CONSISTS OF FLANGE 2;SLIDE 2;SHAFT 1;NUT 2;BALL BEARINGS 78;O RING 6;GREASE FITTING 2;RUNS OIL COOLER FAN
Reference Data and Literature	T.O.1H53(M)J-4
Surface Treatment	OXIDE
Material	STEEL

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL Q — CCL Item — Commerce Control List
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
9730202-10	3/2 Design control — primary reference U.S. Government activity

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 1615-01-451-1578?

NSN 1615-01-451-1578 is a Driveshaft,oil Cooler, classified under FSC 1615, Helicopter Rotor Blades, Drive Mechanisms and Components. Status: active.

What are the specifications of 1615-01-451-1578?

Key specifications for 1615-01-451-1578: General Characteristics Item Description: CONSISTS OF FLANGE 2;SLIDE 2;SHAFT 1;NUT 2;BALL BEARINGS 78;O RING 6;GREASE FITTING 2;RUNS OIL COOLER FAN; Reference Data and Literature: T.O.1H53(M)J-4; Surface Treatment: OXIDE; End Item Identification: H-53 HELICOPTER. 4 specifications are documented in the U.S. Government catalog.

Is NSN 1615-01-451-1578 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.

What is the DEMIL code for NSN 1615-01-451-1578?

NSN 1615-01-451-1578 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.

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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