The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-264-4037, 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.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-264-4037 |
| Primary Part Number | CF-SP-77302-4 |
| Item Name | Seal Assembly,shaft,spring Loade |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Defense Maritime Solutions, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | CONSIST OF A SPRING; PREFORMED PACKING; RETAINER PACKING; RUBBER DIAPHRAGM; RETAINER,ITEM IS USED ON A 2.375 IN. DIAMETER SHAFT IN |
| 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 |
|---|---|
| B05065 | John Crane, Inc (USA) |
| CF-SP-77302-4 | John Crane, Inc (USA) |
| SF10914 ITEM 13 | Circor Pumps North America Llc (USA) |
| CF-SP-77302-4 PRIMARY | Defense Maritime Solutions, Inc. (USA) |
| Reference | Meaning |
|---|---|
| CF-SP-77302-4 | 5/9 Secondary reference Wartsila Lips Inc |
| PP046JYM | C/1 Advisory reference — outside the item-of-supply concept Circor Pumps North America Llc |
NSN 4320-01-264-4037 is a Seal Assembly,shaft,spring Loade, manufactured by Defense Maritime Solutions, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-264-4037 has 4 manufacturer part numbers on file: B05065 (John Crane, Inc), CF-SP-77302-4 (John Crane, Inc), SF10914 ITEM 13 (Circor Pumps North America Llc), CF-SP-77302-4 (Defense Maritime Solutions, Inc.).
Key specifications for CF-SP-77302-4: General Characteristics Item Description: CONSIST OF A SPRING; PREFORMED PACKING; RETAINER PACKING; RUBBER DIAPHRAGM; RETAINER,ITEM IS USED ON A 2.375 IN. DIAMETER SHAFT IN. 1 specification is 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.