The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-481-0891, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is John Crane, Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-481-0891 |
| Primary Part Number | HSP-1005904-1 |
| Item Name | Seal Assembly,shaft,spring Loade |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | John Crane, Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| HSP-1005904-1 PRIMARY | John Crane, Inc (USA) |
| Reference | Meaning |
|---|---|
| SF11045ITEM17 | D/9 Drawing number reference only Circor Pumps North America Llc |
NSN 4320-01-481-0891 is a Seal Assembly,shaft,spring Loade, manufactured by John Crane, Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-481-0891 has 1 manufacturer part number on file: HSP-1005904-1 (John Crane, Inc).
Key specifications for HSP-1005904-1: Part Name Assigned by Controlling Agency: SEAL ASSEMBLY,SHAFT,SPRING LOADED. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.