Coupling Assembly, Oil Cooler 1615-01-135-1503 NSN 1615-01-135-1503 · NIIN 011351503 · Part number 64361-04109-042
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp · FSC 1615 — Helicopter Rotor Blades, Drive Mechanisms and Components · FSG 16 — Aircraft Components and Accessories · CAGE 78286
NSN 1615-01-135-1503 — this item is cataloged by the U.S. Government under National Stock Number 1615-01-135-1503. Manufacturer of record part number: 64361-04109-042 .
Also searched as
1615-01-135-1503 ·
1615011351503 ·
NIIN 011351503 ·
01-135-1503 ·
FSC 1615 Helicopter Rotor Blades, Drive Mechanisms and Components · CAGE 78286 · 64361-04109-042
Nearby stock numbers
← 1615-01-135-1502 Piston Assembly, Blade
·
1615-01-135-1504 Shaft Quill →
Features
Coupling Assembly,oil Cooler — FSC 1615 1 manufacturer part number on file Manufacturer of record: Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
Identification
NSN: 1615-01-135-1503
NIIN: 011351503
FSC: 1615 — Helicopter Rotor Blades, Drive Mechanisms and Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: 64361-04109-042
Manufacturer: Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
General Description
The Coupling Assembly,oil Cooler, cataloged under National Stock Number 1615-01-135-1503, 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 Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. 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 1615-01-135-1503 Primary Part Number 64361-04109-042 Item Name Coupling Assembly,oil Cooler FSC / FSG 1615 / 16 — Helicopter Rotor Blades, Drive Mechanisms and Components Manufacturer Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp 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
64361-04109-042 PRIMARY Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (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
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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 1615-01-135-1503?
NSN 1615-01-135-1503 is a Coupling Assembly,oil Cooler, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 1615, Helicopter Rotor Blades, Drive Mechanisms and Components. Status: active.
What part numbers are listed for NSN 1615-01-135-1503?
NSN 1615-01-135-1503 has 1 manufacturer part number on file: 64361-04109-042 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
What are the specifications of 64361-04109-042?
Key specifications for 64361-04109-042: End Item Identification: AIRCRAFT MODEL H-53. 0 specifications are documented in the U.S. Government catalog.
Is NSN 1615-01-135-1503 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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