The Ring,collector,gear Box, cataloged under National Stock Number 1615-00-457-9796, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1615-00-457-9796 |
| Primary Part Number | 6435-20534-101 |
| Item Name | Ring,collector,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,QQ-S-636 COMP 1010 OR MIL-S-18729 COMP 4130 COND A,BLACK OXIDECOATED PER MIL-C-13924 CLASS 1,DIM.,26.542 IN. MIN,26.552 IN. MAX OD,21.000IN. NOM ID,1.230 IN. NOM O/A LG,0.020 IN. NOM MATERIAL THICKNESS,23.600 IN.NOM DIA AT BEGINNING OF 45 DEG EXTERNAL BEVEL,21 EQUALLY SPACED HOLES 0.196IN. DIA DRILLED THRU OUTER EDGE W 0.168 IN. FROM RIGHT SIDE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6435-20534-101 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 1615-00-457-9796 is a Ring,collector,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 1615-00-457-9796 has 1 manufacturer part number on file: 6435-20534-101 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 6435-20534-101: General Characteristics Item Description: STEEL,QQ-S-636 COMP 1010 OR MIL-S-18729 COMP 4130 COND A,BLACK OXIDECOATED PER MIL-C-13924 CLASS 1,DIM.,26.542 IN. MIN,26.552 IN. MAX OD,21.000IN. NOM ID,1.230 IN. NOM O/A LG,0.020 IN. NOM MATERIAL THICKNESS,23.600 IN.NOM DIA AT BEGINNING OF 45 DEG EXTERNAL BEVEL,21 EQUALLY SPACED HOLES 0.196IN. DIA DRILLED THRU OUTER EDGE W 0.168 IN. FROM RIGHT SIDE IN. 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 1615-00-457-9796 has DEMIL Code B. 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.