The Seal,plain Encased, cataloged under National Stock Number 5330-00-979-5643, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-979-5643 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Temp Rating | 330.0 FAHRENHEIT DEGF |
| Seal Width | 0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| Sealing Element Style | ANGULAR |
| Housing Bore Diameter | 0.563 INCHES MINIMUM AND 0.566 INCHES MAXIMUM IN |
| Material Document and Classification | 2-300-182,91547 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Case Style | RECESSED |
| Accommodated Shaft Diameter | 0.186 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Material | RUBBER OVERALL |
| 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 |
|---|---|
| 2-300-182 | 5/2 Secondary reference U.S. Government activity |
| 2-300-182-01 | 1/2 Source control — Government-approved source U.S. Government activity |
| S1338 | 3/2 Design control — primary reference U.S. Government activity |
| 2-300-182-01D | 5/2 Secondary reference U.S. Government activity |
NSN 5330-00-979-5643 is a Seal,plain Encased, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-00-979-5643: Temp Rating: 330.0 FAHRENHEIT DEGF; Seal Width: 0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN; Sealing Element Style: ANGULAR; Housing Bore Diameter: 0.563 INCHES MINIMUM AND 0.566 INCHES MAXIMUM IN. 8 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.