The Seal,plain Encased, cataloged under National Stock Number 5330-00-468-0845, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Union Special Corp. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-468-0845 |
| Primary Part Number | 2R293PC50 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Union Special Corp |
| Status | ACTIVE |
| Seal Width | 0.250 INCHES NOMINAL IN |
| Sealing Element Style | VERTICAL |
| Housing Bore Diameter | 3.000 INCHES NOMINAL IN |
| Accommodated Shaft Maximum Rated Speed | 2000 FEET PER MINUTE FT |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 2.000 INCHES NOMINAL IN |
| Material | STEEL CASE |
| Material | LEATHER 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 |
|---|---|
| 2R293PC50 PRIMARY | Union Special Corp (USA) |
| 2R384REVAPC50 PRIMARY | Union Special Corp (USA) |
| 2R417REVAPC50 PRIMARY | Union Special Corp (USA) |
| 2R303PC50 PRIMARY | Union Special Corp (USA) |
| 2R400PC50 PRIMARY | Union Special Corp (USA) |
| 2R409PC50 PRIMARY | Union Special Corp (USA) |
| 2R295PC50 PRIMARY | Union Special Corp (USA) |
| 2R396AREVAITEM2 PRIMARY | Union Special Corp (USA) |
| 303-50 PRIMARY | Union Special Corp (USA) |
| Reference | Meaning |
|---|---|
| 490724GPC50 | 3/2 Design control — primary reference U.S. Government activity |
| 490722PC50 | 3/2 Design control — primary reference U.S. Government activity |
| 00044 | 5/1 Secondary reference Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| 490724PC50 | 3/2 Design control — primary reference U.S. Government activity |
| 490732ALT2PC50 | 3/2 Design control — primary reference U.S. Government activity |
| 4901-3243986REVAPC50 | 3/2 Design control — primary reference U.S. Government activity |
| 490722GPC50 | 3/2 Design control — primary reference U.S. Government activity |
| 4901-3243985REVAPC50 | 3/2 Design control — primary reference U.S. Government activity |
| 571-4903-1444760REVAITEM2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-00-468-0845 is a Seal,plain Encased, manufactured by Union Special Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-468-0845 has 9 manufacturer part numbers on file: 2R293PC50 (Union Special Corp), 2R384REVAPC50 (Union Special Corp), 2R417REVAPC50 (Union Special Corp), 2R303PC50 (Union Special Corp), 2R400PC50 (Union Special Corp) and 4 more.
6 possible matches (shared part number, not a government interchangeability claim): 5945-00-886-5176, 5310-01-104-4885, 4210-01-441-4948. Verify interchangeability with system specifications before substitution.
Key specifications for 2R293PC50: Seal Width: 0.250 INCHES NOMINAL IN; Sealing Element Style: VERTICAL; Housing Bore Diameter: 3.000 INCHES NOMINAL IN; Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT. 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.