The Seal,plain Encased, cataloged under National Stock Number 5330-01-579-1789, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Skf Usa Inc.. Government technical data includes 3 specifications, 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 | 5330-01-579-1789 |
| Primary Part Number | CR M 50X34X18.4 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Skf Usa Inc. |
| Status | ACTIVE |
| Seal Width | 8.0 MILLIMETERS NOMINAL MM |
| Accommodated Shaft Diameter | 34.0 MILLIMETERS NOMINAL MM |
| Material | PLASTIC ACETAL AND PLASTIC POLYESTER AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL |
| 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 |
|---|---|
| CR M 50X34X18.4 PRIMARY | Skf Usa Inc. (USA) |
NSN 5330-01-579-1789 is a Seal,plain Encased, manufactured by Skf Usa Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-579-1789 has 1 manufacturer part number on file: CR M 50X34X18.4 (Skf Usa Inc.).
Key specifications for CR M 50X34X18.4: Seal Width: 8.0 MILLIMETERS NOMINAL MM; Special Features: 18.4 MM CROSS SECTION;5 PIECE SEAL WITH CENTRAL SEALING RING OF NITRILE RUBBER,POLYESTER ELASTOMER SUPPORT RINGS AND L SHAPED GUIDE RINGS OF ACETAL RESIN MM; Accommodated Shaft Diameter: 34.0 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: M SERIES DOUBLE-ACTING PISTON SEAL. 3 specifications are 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.