The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-052-8958, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Seal Assembly,shaft,spring Loade |
| FSC / FSG | 4320 — Power and Hand Pumps (FSG 43) |
| Manufacturers | Defense Maritime Solutions, Inc. (CAGE 0EYA6); Circor Pumps North America Llc (CAGE 59180); John Crane, Inc (CAGE 71724) |
| Parameter | Value |
|---|---|
| NSN | 4320-01-052-8958 |
| Primary Part Number | B85064 |
| 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) |
| Part Number | Manufacturer |
|---|---|
| B85064 | Defense Maritime Solutions, Inc. (USA) |
| PP046JAH | Circor Pumps North America Llc (USA) |
| B85064 PRIMARY | John Crane, Inc (USA) |
| Reference | Meaning |
|---|---|
| NSP-00252 XF91171(316) | 5/9 Secondary reference John Crane, Inc |
| NSP-00252 XF911O151 (316) | 5/9 Secondary reference John Crane, Inc |
| NSP-00252 XF91171(316) | C/1 Advisory reference — outside the item-of-supply concept Defense Maritime Solutions, Inc. |
| PP046JAH | 5/9 Secondary reference Siemens Energy, Inc. |
| 5330PL1253540 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| CFSP30301 | 5/9 Secondary reference John Crane, Inc |
| NSP-00252 XF91171(316) | 3/9 Design control — primary reference Wartsila Lips Inc |
| CF-SP-78879-1 | 5/9 Secondary reference John Crane, Inc |
NSN 4320-01-052-8958 is a Seal Assembly,shaft,spring Loade, manufactured by John Crane, Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-052-8958 has 3 manufacturer part numbers on file: B85064 (Defense Maritime Solutions, Inc.), PP046JAH (Circor Pumps North America Llc), B85064 (John Crane, Inc).
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.