General Characteristics Item Description: STEEL MIL-S-6758,TYPE 4130,CONDITION D4,6.570 IN. LG,0.436 IN. DIA IN
Identification
NSN: 1615-01-044-9758
NIIN: 010449758
FSC: 1615 — Helicopter Rotor Blades, Drive Mechanisms and Components
FSG: 16 — Aircraft Components and Accessories
General Description
The Jet Assembly,transmission, cataloged under National Stock Number 1615-01-044-9758, 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 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
STEEL MIL-S-6758,TYPE 4130,CONDITION D4,6.570 IN. LG,0.436 IN. DIA IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL D — Destroy Item
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
209-040-128-101
3/2Design control — primary reference
U.S. Government activity
209-040-128-5
5/9Secondary 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 1615-01-044-9758?
NSN 1615-01-044-9758 is a Jet Assembly,transmission, classified under FSC 1615, Helicopter Rotor Blades, Drive Mechanisms and Components. Status: active.
What are the specifications of 1615-01-044-9758?
Key specifications for 1615-01-044-9758: General Characteristics Item Description: STEEL MIL-S-6758,TYPE 4130,CONDITION D4,6.570 IN. LG,0.436 IN. DIA IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 1615-01-044-9758 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 1615-01-044-9758?
NSN 1615-01-044-9758 has DEMIL Code D. 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.