The Seal,plain Encased, cataloged under National Stock Number 5330-00-256-0686, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-256-0686 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Seal Width | 0.906 INCHES NOMINAL IN |
| Sealing Element Style | ANGULAR-OPPOSED |
| Housing Bore Diameter | 4.495 INCHES NOMINAL IN |
| Accommodated Shaft Maximum Rated Speed | 2000 FEET PER MINUTE FT |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 3.438 INCHES NOMINAL IN |
| Material | STEEL CASE |
| Material | RUBBER SYNTHETIC SEALING ELEMENT A |
| Material | RUBBER SYNTHETIC SEALING ELEMENT B |
| 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 |
|---|---|
| 37715PC7 | 3/9 Design control — primary reference Terex American Crane Corp |
| 37715PC7 | 5/9 Secondary reference American Hoist and Derrick Co |
| 37715APC7 | 5/9 Secondary reference American Hoist and Derrick Co |
| B9340P | 5/9 Secondary reference Terex American Crane Corp |
| B9340P | 5/9 Secondary reference American Hoist and Derrick Co |
| 00044 | 5/1 Secondary reference Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| 37715APC7 | 5/9 Secondary reference Terex American Crane Corp |
NSN 5330-00-256-0686 is a Seal,plain Encased, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-00-256-0686: Seal Width: 0.906 INCHES NOMINAL IN; Sealing Element Style: ANGULAR-OPPOSED; Housing Bore Diameter: 4.495 INCHES NOMINAL IN; Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT. 9 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.