The Sleeve,oil Sump,gear Box, cataloged under National Stock Number 1615-00-488-8719, 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 | 1615-00-488-8719 |
| Primary Part Number | 6435-20570-101 |
| Item Name | Sleeve,oil Sump,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,AMS6260 COMP 9310,CADMIUM-PLATED QQ-P-416 CLASS 2 TYPE 2,PHOSPHATE TREATMENT SS8416 FLANGED OUTER RING,DIM.,2.490 IN. NOM O/A LG,1.680 IN. NOM OUTER DD LG MEASURED FROM LEFT END,6.1875-12N CLASS 3A THDS ON LEFT OD BY 0.795 IN. LG,6.542 IN. MIN,6.547 IN. MAX RIGHT END FLANGE OD,0.546 IN. NOM RIGHT END FLANGE LG,0.366 IN. NOM RIGHT END FLANGE THK,18 HOLES 0.339 IN. DIA EQUALLY SPACED DRILLED THRU FLANGE PERPENDICULAR TO OD,3.123 IN. MIN,3.177 IN. MAX INNER ID,2.920 IN. NOM INNER ID,ID COUNTERSUNK 120.0 DEG TO 5.812 IN DIA,0.100 IN. NOM MATERIAL THK OF COUNTERSUNK AREA,INNER OD CASEHARDEMED AND MAX SURFACE FINISH 8 TO 12 MICROINCHES AA,ALL OTHER AREAS 90.0 MICROINCHES AA 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 | X |
| Part Number | Manufacturer |
|---|---|
| 6435-20570-101 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 1615-00-488-8719 is a Sleeve,oil Sump,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 1615-00-488-8719 has 1 manufacturer part number on file: 6435-20570-101 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 6435-20570-101: General Characteristics Item Description: STEEL,AMS6260 COMP 9310,CADMIUM-PLATED QQ-P-416 CLASS 2 TYPE 2,PHOSPHATE TREATMENT SS8416 FLANGED OUTER RING,DIM.,2.490 IN. NOM O/A LG,1.680 IN. NOM OUTER DD LG MEASURED FROM LEFT END,6.1875-12N CLASS 3A THDS ON LEFT OD BY 0.795 IN. LG,6.542 IN. MIN,6.547 IN. MAX RIGHT END FLANGE OD,0.546 IN. NOM RIGHT END FLANGE LG,0.366 IN. NOM RIGHT END FLANGE THK,18 HOLES 0.339 IN. DIA EQUALLY SPACED DRILLED THRU FLANGE PERPENDICULAR TO OD,3.123 IN. MIN,3.177 IN. MAX INNER ID,2.920 IN. NOM INNER ID,ID COUNTERSUNK 120.0 DEG TO 5.812 IN DIA,0.100 IN. NOM MATERIAL THK OF COUNTERSUNK AREA,INNER OD CASEHARDEMED AND MAX SURFACE FINISH 8 TO 12 MICROINCHES AA,ALL OTHER AREAS 90.0 MICROINCHES AA A. 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 1615-00-488-8719 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.