PartsTable TECHNICAL DATA SHEET
NSN 1615-01-398-3986Government record, cited

Filler Breather, Gearbox1615-01-398-3986

NSN 1615-01-398-3986 · NIIN 013983986 · Part number 65391-11804-101
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp · FSC 1615 — Helicopter Rotor Blades, Drive Mechanisms and Components · FSG 16 — Aircraft Components and Accessories · CAGE 78286
Government record, cited
NSN 1615-01-398-3986 — this item is cataloged by the U.S. Government under National Stock Number 1615-01-398-3986. Manufacturer of record part number: 65391-11804-101.
Also searched as  1615-01-398-3986 · 1615013983986 · NIIN 013983986 · 01-398-3986 · FSC 1615 Helicopter Rotor Blades, Drive Mechanisms and Components · CAGE 78286 · 65391-11804-101 · 2A6394
Nearby stock numbers  ·
Features
  • Filler Breather,gearbox — FSC 1615
  • Material: STEEL
  • 1 manufacturer part number on file
  • Manufacturer of record: Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
Identification
  • NSN: 1615-01-398-3986
  • NIIN: 013983986
  • FSC: 1615 — Helicopter Rotor Blades, Drive Mechanisms and Components
  • FSG: 16 — Aircraft Components and Accessories
  • Primary part number: 65391-11804-101
  • Manufacturer: Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
General Description

The Filler Breather,gearbox, cataloged under National Stock Number 1615-01-398-3986, 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. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1615-01-398-3986
Primary Part Number65391-11804-101
Item NameFiller Breather,gearbox
FSC / FSG1615 / 16 — Helicopter Rotor Blades, Drive Mechanisms and Components
ManufacturerSikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
StatusACTIVE
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL Q — CCL Item — Commerce Control List
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
65391-11804-101 Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA)
Reference documents
ReferenceMeaning
2A6394 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 1615-01-398-3986?

NSN 1615-01-398-3986 is a Filler Breather,gearbox, 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 1615-01-398-3986?

NSN 1615-01-398-3986 has 1 manufacturer part number on file: 65391-11804-101 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).

What are the specifications of 65391-11804-101?

Key specifications for 65391-11804-101: Overall Length: 8.750 INCHES MAXIMUM IN; End Item Identification: CH53E ACFT; Material: STEEL. 1 specification is documented in the U.S. Government catalog.

Is NSN 1615-01-398-3986 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 1615-01-398-3986?

NSN 1615-01-398-3986 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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