The Seal,plain Encased, cataloged under National Stock Number 5330-00-440-8928, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is John Crane, Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-440-8928 |
| Primary Part Number | HSP-28289 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | John Crane, Inc |
| Status | ACTIVE |
| Seal Width | 1.062 INCHES NOMINAL IN |
| Sealing Element Style | VERTICAL |
| Case Style | RECESSED |
| Accommodated Shaft Diameter | 1.250 INCHES NOMINAL IN |
| 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 |
|---|---|
| SG3855RBPC20 | Circor Pumps North America Llc (USA) |
| HSP-28289 PRIMARY | John Crane, Inc (USA) |
| SG3875RBPCLN14 | Circor Pumps North America Llc (USA) |
| SG3877RBPC20 | Circor Pumps North America Llc (USA) |
| PP046BL | Circor Pumps North America Llc (USA) |
| C16452 PRIMARY | John Crane, Inc (USA) |
| Reference | Meaning |
|---|---|
| SG3877RBPC20 | 5/9 Secondary reference Siemens Energy, Inc. |
| SG3875RBPCLN14 | 5/9 Secondary reference Siemens Energy, Inc. |
| FSD1017S1250TYPE2X1X1X4IN | 5/9 Secondary reference John Crane, Inc |
| F-SP-6770-1-1/4-TYPE 2 | 5/9 Secondary reference Wartsila Lips Inc |
| F-SP-6770-1-1/4-TYPE 2 | 5/9 Secondary reference John Crane, Inc |
| F-SP-6770 | 5/9 Secondary reference John Crane, Inc |
| B418-81 | 5/9 Secondary reference Wartsila Lips Inc |
| SG3855RBPC20 | 5/9 Secondary reference Siemens Energy, Inc. |
| PP046BL | 5/9 Secondary reference Siemens Energy, Inc. |
| FSP-6770 | 5/9 Secondary reference Wartsila Lips Inc |
NSN 5330-00-440-8928 is a Seal,plain Encased, manufactured by John Crane, Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-440-8928 has 6 manufacturer part numbers on file: SG3855RBPC20 (Circor Pumps North America Llc), HSP-28289 (John Crane, Inc), SG3875RBPCLN14 (Circor Pumps North America Llc), SG3877RBPC20 (Circor Pumps North America Llc), PP046BL (Circor Pumps North America Llc) and 1 more.
Key specifications for HSP-28289: Seal Width: 1.062 INCHES NOMINAL IN; Sealing Element Style: VERTICAL; Case Style: RECESSED; Accommodated Shaft Diameter: 1.250 INCHES NOMINAL IN. 4 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.