The Seal,plain Encased, cataloged under National Stock Number 5330-00-285-4139, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 13 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-285-4139 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Seal Width | 0.656 INCHES NOMINAL IN |
| Sealing Element Style | ANGULAR-OPPOSED |
| Housing Bore Diameter | 2.875 INCHES NOMINAL IN |
| Accommodated Shaft Maximum Rated Speed | 2000 FEET PER MINUTE FT |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 2.000 INCHES NOMINAL IN |
| Surface Treatment | ZINC CASE |
| 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 |
|---|---|
| 19886 | 5/1 Secondary reference U.S. Government activity |
| DW256-200-10-5STYLE33 | 5/1 Secondary reference U.S. Government activity |
| 921015C1 | 5/9 Secondary reference Komatsu American Intl Co |
| 2097668-8 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 200-287-21L | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 286AMM2 | 5/1 Secondary reference U.S. Government activity |
| 200-287-21 | 5/1 Secondary reference John Crane, Inc |
| 502715 | 5/1 Secondary reference U.S. Government activity |
| 12Z9010-54 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 12Z9010-54 | 2/2 Government specification standardization U.S. Government activity |
| 130534H1 | 5/9 Secondary reference Komatsu American Intl Co |
| 130534 | 5/9 Secondary reference Komatsu American Intl Co |
| 19856 | 5/1 Secondary reference U.S. Government activity |
NSN 5330-00-285-4139 is a Seal,plain Encased, classified under FSC 5330, Packing and Gasket Materials. Status: active.
10 possible matches (shared part number, not a government interchangeability claim): 2330-00-407-7883, 2815-00-751-8859, 5342-00-874-7510. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-00-285-4139: Seal Width: 0.656 INCHES NOMINAL IN; Sealing Element Style: ANGULAR-OPPOSED; Housing Bore Diameter: 2.875 INCHES NOMINAL IN; Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT. 10 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.