The Shaft Assembly,tail Gear Box, cataloged under National Stock Number 1615-01-059-6031, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1615-01-059-6031 |
| Primary Part Number | 65358-07035-042 |
| Item Name | Shaft Assembly,tail Gear Box |
| FSC / FSG | 1615 / 16 — Helicopter Rotor Blades, Drive Mechanisms and Components |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL ROD 4340,ROCKWELL HARDNESS C34.0 TO C38.0 MIL-H-6875,27.121 IN. LG,1ST END 3.928 IN. OD,3.250-16UN-3B ID THD,2ND END 1.000-20 UNEF-3A THD MIL-S-7742 A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 65358-07035-042 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 65358-07035-042 | 5/9 Secondary reference Equitable Engineering Company Inc. |
| 65358-07035-042 | 5/9 Secondary reference Skyspares Parts Inc |
NSN 1615-01-059-6031 is a Shaft Assembly,tail Gear Box, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 1615, Helicopter Rotor Blades, Drive Mechanisms and Components. Status: active.
NSN 1615-01-059-6031 has 1 manufacturer part number on file: 65358-07035-042 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 65358-07035-042: General Characteristics Item Description: STEEL ROD 4340,ROCKWELL HARDNESS C34.0 TO C38.0 MIL-H-6875,27.121 IN. LG,1ST END 3.928 IN. OD,3.250-16UN-3B ID THD,2ND END 1.000-20 UNEF-3A THD MIL-S-7742 A; End Item Identification: ACFT H53(H)B-C. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1615-01-059-6031 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.