The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-254-4336, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. The record lists 5 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | John Crane, Inc (CAGE 71724); Circor Naval Solutions Llc Dba Warren Pumps (CAGE 63857); Defense Maritime Solutions, Inc. (CAGE 0EYA6) |
| Parameter | Value |
|---|---|
| NSN | 4320-01-254-4336 |
| Primary Part Number | BM137 |
| Item Name | Seal Assembly,shaft,spring Loade |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| 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 |
|---|---|
| M30874 | John Crane, Inc (USA) |
| BM137 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| CFSP77117-TY1-3.25IN-XF91MO15M | John Crane, Inc (USA) |
| NSP-00100 PRIMARY | Defense Maritime Solutions, Inc. (USA) |
| NSP-00100XF91MO15M PRIMARY | Defense Maritime Solutions, Inc. (USA) |
| Reference | Meaning |
|---|---|
| NSP-00100XF91MO15M | 5/9 Secondary reference Wartsila Lips Inc |
| CFSP77117-TY1-3.25IN-XF50MO15M | 5/9 Secondary reference John Crane, Inc |
| NSP-00100XF91MO15M | 5/9 Secondary reference John Crane, Inc |
| CFSP77117-TY1-3 | C/1 Advisory reference — outside the item-of-supply concept John Crane, Inc |
| NSP-00100 | 5/9 Secondary reference Wartsila Lips Inc |
| 999F0722 PIECE 41 | 5/9 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| BM-137XF91MO15M | 5/9 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| CF-SP-77117-1TY | C/1 Advisory reference — outside the item-of-supply concept John Crane, Inc |
NSN 4320-01-254-4336 is a Seal Assembly,shaft,spring Loade, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-254-4336 has 5 manufacturer part numbers on file: M30874 (John Crane, Inc), BM137 (Circor Naval Solutions Llc Dba Warren Pumps), CFSP77117-TY1-3.25IN-XF91MO15M (John Crane, Inc), NSP-00100 (Defense Maritime Solutions, Inc.), NSP-00100XF91MO15M (Defense Maritime Solutions, 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.