The Seal,plain Encased, cataloged under National Stock Number 5330-01-457-1555, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Allied Systems Company Dba Allied Systems Co. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-457-1555 |
| Primary Part Number | 236275 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Allied Systems Company Dba Allied Systems Co |
| Status | ACTIVE |
| Seal Width | 0.625 INCHES NOMINAL IN |
| Sealing Element Style | VERTICAL |
| Outside Diameter | 9.383 INCHES NOMINAL IN |
| Housing Bore Diameter | 9.375 INCHES NOMINAL IN |
| Case Style | RECESSED |
| Accommodated Shaft Diameter | 7.875 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT |
| 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 |
|---|---|
| 236275 | Allied Systems Company Dba Allied Systems Co (USA) |
| Reference | Meaning |
|---|---|
| CRWH1R78738 | 5/9 Secondary reference U.S. Government activity |
| 78738 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-457-1555 is a Seal,plain Encased, manufactured by Allied Systems Company Dba Allied Systems Co, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-457-1555 has 1 manufacturer part number on file: 236275 (Allied Systems Company Dba Allied Systems Co).
1 possible match (shared part number, not a government interchangeability claim): 7125-01-675-4679. Verify interchangeability with system specifications before substitution.
Key specifications for 236275: Seal Width: 0.625 INCHES NOMINAL IN; Sealing Element Style: VERTICAL; Outside Diameter: 9.383 INCHES NOMINAL IN; Housing Bore Diameter: 9.375 INCHES NOMINAL IN. 7 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.