The Seal,plain Encased, cataloged under National Stock Number 5330-00-641-4218, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-641-4218 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Temp Rating | 300.0 FAHRENHEIT DEGF |
| Seal Width | 0.438 INCHES NOMINAL IN |
| Sealing Element Style | ANGULAR |
| Housing Bore Diameter | 1.756 INCHES NOMINAL IN |
| Accommodated Shaft Maximum Rated Speed | 2000 FEET PER MINUTE FT |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 1.125 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM CASE |
| Material | STEEL CASE |
| Material | LEATHER SEALING ELEMENT |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY MATERIAL IN ACCORDANCE WITH ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1187006 | 5/9 Secondary reference Asset Systems, Inc. Dba Asset Systems Inc |
| 63X353 | 5/9 Secondary reference Asset Systems, Inc. Dba Asset Systems Inc |
| 1187006 | 5/1 Secondary reference Fmc Corp |
| 1216276PC46 | 5/9 Secondary reference Asset Systems, Inc. Dba Asset Systems Inc |
| 63X353 | 5/1 Secondary reference Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc |
| 1187006PCALL | 5/9 Secondary reference Asset Systems, Inc. Dba Asset Systems Inc |
| 50189 | 3/9 Design control — primary reference Federal-Mogul Corp Chassis Products Div |
| 187006PCALL | 5/9 Secondary reference Asset Systems, Inc. Dba Asset Systems Inc |
| 1216276PC46 | 5/1 Secondary reference Fmc Corp |
NSN 5330-00-641-4218 is a Seal,plain Encased, classified under FSC 5330, Packing and Gasket Materials. Status: active.
5 possible matches (shared part number, not a government interchangeability claim): 5330-00-707-4776, 6240-00-752-2050, 5315-00-981-0165. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-00-641-4218: Temp Rating: 300.0 FAHRENHEIT DEGF; Seal Width: 0.438 INCHES NOMINAL IN; Sealing Element Style: ANGULAR; Housing Bore Diameter: 1.756 INCHES NOMINAL IN. 11 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.