The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-326-7546, 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 5 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Emerson Electric Co Computer Power Div (CAGE 52414); Circor Pumps North America Llc (CAGE 59180); Defense Maritime Solutions, Inc. (CAGE 0EYA6); John Crane, Inc (CAGE 71724) |
| Parameter | Value |
|---|---|
| NSN | 4320-01-326-7546 |
| Primary Part Number | M50605 |
| 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 |
|---|---|
| A3R2521 | Emerson Electric Co Computer Power Div (USA) |
| PP046JJJ | Circor Pumps North America Llc (USA) |
| FF10969 ITEM 37 | Circor Pumps North America Llc (USA) |
| CF-SP-44577 XF9110171 (316) | Defense Maritime Solutions, Inc. (USA) |
| M50605 PRIMARY | John Crane, Inc (USA) |
| Reference | Meaning |
|---|---|
| CF-SP-44577 XF9110171 (316) | 5/9 Secondary reference Wartsila Lips Inc |
| CF-SP-44577 XF9110151 (316) | 5/9 Secondary reference John Crane, Inc |
| CF-SP-44577SZ2. | C/1 Advisory reference — outside the item-of-supply concept John Crane, Inc |
| SF10969 ITEM 37 | 5/9 Secondary reference Circor Pumps North America Llc |
| CF-SP-44577 | 5/9 Secondary reference John Crane, Inc |
NSN 4320-01-326-7546 is a Seal Assembly,shaft,spring Loade, manufactured by John Crane, Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-326-7546 has 5 manufacturer part numbers on file: A3R2521 (Emerson Electric Co Computer Power Div), PP046JJJ (Circor Pumps North America Llc), FF10969 ITEM 37 (Circor Pumps North America Llc), CF-SP-44577 XF9110171 (316) (Defense Maritime Solutions, Inc.), M50605 (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.