The Seal,oil Bearing Support, cataloged under National Stock Number 2840-00-820-4963, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Stein Seal Company. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-820-4963 |
| Primary Part Number | SSCY1683KA1685 |
| Item Name | Seal,oil Bearing Support |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Stein Seal Company |
| Status | ACTIVE |
| General Characteristics Item Description | CRES,8.840 IN. MIN 8.846 IN. MAX OD,6.838 IN. MIN 6.840 IN. MAX ID,0.910 IN. THK,0.274 IN. MIN 0.288 IN. MAX DIA 18 HOLES EQUALLY SPACED 8.402IN. BOLT CIRCLE DIA IN |
| 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 |
|---|---|
| SSCY1683KA1685 PRIMARY | Stein Seal Company (USA) |
| 106C3211P1 | General Electric Company (USA) |
NSN 2840-00-820-4963 is a Seal,oil Bearing Support, manufactured by Stein Seal Company, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-820-4963 has 2 manufacturer part numbers on file: SSCY1683KA1685 (Stein Seal Company), 106C3211P1 (General Electric Company).
Key specifications for SSCY1683KA1685: General Characteristics Item Description: CRES,8.840 IN. MIN 8.846 IN. MAX OD,6.838 IN. MIN 6.840 IN. MAX ID,0.910 IN. THK,0.274 IN. MIN 0.288 IN. MAX DIA 18 HOLES EQUALLY SPACED 8.402IN. BOLT CIRCLE DIA 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 2840-00-820-4963 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.