The Seal,plain Encased, cataloged under National Stock Number 5330-00-910-4584, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Timken Gears & Services Inc. Div Philadelphia Gear. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-910-4584 |
| Primary Part Number | D25352PC23 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Timken Gears & Services Inc. Div Philadelphia Gear |
| Status | ACTIVE |
| Seal Width | 0.438 INCHES NOMINAL IN |
| Sealing Element Style | ANGULAR |
| Outside Diameter | 4.254 INCHES NOMINAL IN |
| Housing Bore Diameter | 4.250 INCHES NOMINAL IN |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 3.125 INCHES NOMINAL IN |
| Surface Treatment | PLASTIC CASE |
| Material | STEEL CASE |
| Material | RUBBER SYNTHETIC 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 |
|---|---|
| D25352PC23 | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| Reference | Meaning |
|---|---|
| 31227 | 3/2 Design control — primary reference U.S. Government activity |
| 425W34M1 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-00-910-4584 is a Seal,plain Encased, manufactured by Timken Gears & Services Inc. Div Philadelphia Gear, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-910-4584 has 1 manufacturer part number on file: D25352PC23 (Timken Gears & Services Inc. Div Philadelphia Gear).
2 possible matches (shared part number, not a government interchangeability claim): 4110-01-068-4288, 5120-01-687-4521. Verify interchangeability with system specifications before substitution.
Key specifications for D25352PC23: Seal Width: 0.438 INCHES NOMINAL IN; Sealing Element Style: ANGULAR; Outside Diameter: 4.254 INCHES NOMINAL IN; Housing Bore Diameter: 4.250 INCHES NOMINAL IN. 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.