The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-203-7928, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). 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) |
| Parameter | Value |
|---|---|
| NSN | 4320-01-203-7928 |
| Primary Part Number | M30339 |
| 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 |
|---|---|
| M30339 PRIMARY | John Crane, Inc (USA) |
| Reference | Meaning |
|---|---|
| CF-D1197FIG1C-3/4IN-BP171 | 5/9 Secondary reference John Crane, Inc |
| CFD-1197 FIG1/M303-39 | 5/9 Secondary reference Wartsila Lips Inc |
| CFD-1197 FIG1/M303-39 | 5/9 Secondary reference Defense Maritime Solutions, Inc. |
| CFD-1197 FIG-1C-0.75 M303-39 | 5/9 Secondary reference Wartsila Lips Inc |
| CF-D1197FIG1C-3/4INXF911O151316 | 5/9 Secondary reference Wartsila Lips Inc |
NSN 4320-01-203-7928 is a Seal Assembly,shaft,spring Loade, manufactured by John Crane, Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-203-7928 has 1 manufacturer part number on file: M30339 (John Crane, Inc).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-230-8546. Verify interchangeability with system specifications before substitution.
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.