The Seal,piston,servocylinder, cataloged under National Stock Number 5330-01-174-6733, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is C. E. Conover & Co., Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-174-6733 |
| Primary Part Number | CEC5160-55 |
| Item Name | Seal,piston,servocylinder |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | C. E. Conover & Co., Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | 1.183 IN. OD; 0.168 IN. THK IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| CEC5160-55 PRIMARY | C. E. Conover & Co., Inc. (USA) |
| 65662-03801-101 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| CEC5160 | 5/9 Secondary reference C. E. Conover & Co., Inc. |
NSN 5330-01-174-6733 is a Seal,piston,servocylinder, manufactured by C. E. Conover & Co., Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-174-6733 has 2 manufacturer part numbers on file: CEC5160-55 (C. E. Conover & Co., Inc.), 65662-03801-101 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for CEC5160-55: General Characteristics Item Description: 1.183 IN. OD; 0.168 IN. THK IN; End Item Identification: HELICOPTER MODEL CH-53E. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.