The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-00-166-9841, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Circor Pumps North America Llc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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); John Crane, Inc (CAGE 71724); Circor Pumps North America Llc (CAGE 59180) |
| Parameter | Value |
|---|---|
| NSN | 4320-00-166-9841 |
| Primary Part Number | PP046FBY |
| Item Name | Seal Assembly,shaft,spring Loade |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Circor Pumps North America Llc |
| 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 |
|---|---|
| NSP-00144 M383-14 | Defense Maritime Solutions, Inc. (USA) |
| M38314 | John Crane, Inc (USA) |
| PP046FBY PRIMARY | Circor Pumps North America Llc (USA) |
| Reference | Meaning |
|---|---|
| 4320PL1387102 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| NSP-00144 M383-14 | 5/9 Secondary reference Wartsila Lips Inc |
| CFSP16498-XP10151 | 5/9 Secondary reference John Crane, Inc |
| CF-SP-78874-1 XF91161-316 | 5/9 Secondary reference John Crane, Inc |
| CFSP16498 | 5/9 Secondary reference John Crane, Inc |
NSN 4320-00-166-9841 is a Seal Assembly,shaft,spring Loade, manufactured by Circor Pumps North America Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-166-9841 has 3 manufacturer part numbers on file: NSP-00144 M383-14 (Defense Maritime Solutions, Inc.), M38314 (John Crane, Inc), PP046FBY (Circor Pumps North America Llc).
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.