The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-345-4687, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Defense Maritime Solutions, Inc.. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4320-01-345-4687 |
| Primary Part Number | HSP17105-1TY21SZ1.50XP1510151316 |
| Item Name | Seal Assembly,shaft,spring Loade |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Defense Maritime Solutions, 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 |
|---|---|
| HSP-17105 | Defense Maritime Solutions, Inc. (USA) |
| SF10996 ITEM 24 | Circor Pumps North America Llc (USA) |
| HSP17105-1TY21SZ1.50XP1510151316 PRIMARY | Defense Maritime Solutions, Inc. (USA) |
| PP046KBP | Circor Pumps North America Llc (USA) |
| B32043 | John Crane, Inc (USA) |
| H-SP-17105-1 | John Crane, Inc (USA) |
| Reference | Meaning |
|---|---|
| HSP17105-1TY21SZ1.50XP1510151316 | 5/9 Secondary reference Wartsila Lips Inc |
| H-SP-17105-1TY2 | C/1 Advisory reference — outside the item-of-supply concept John Crane, Inc |
| HSP-17105 | 5/9 Secondary reference Wartsila Lips Inc |
| HSP17105-1TY21SZ1.50XP1510151316 | 5/9 Secondary reference John Crane, Inc |
NSN 4320-01-345-4687 is a Seal Assembly,shaft,spring Loade, manufactured by Defense Maritime Solutions, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-345-4687 has 6 manufacturer part numbers on file: HSP-17105 (Defense Maritime Solutions, Inc.), SF10996 ITEM 24 (Circor Pumps North America Llc), HSP17105-1TY21SZ1.50XP1510151316 (Defense Maritime Solutions, Inc.), PP046KBP (Circor Pumps North America Llc), B32043 (John Crane, Inc) and 1 more.
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.