The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-283-6723, 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. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4320-01-283-6723 |
| Primary Part Number | CF-SP-79416TY1SZ1.50 XF91MO15M |
| Item Name | Seal Assembly,shaft,spring Loade |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | John Crane, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF VITON BELLOWS AND O-RING; NICKEL BOUND TUNGSTENCARBIDE MATING RING AND SEALING RING; STAINLESS STEEL COMP 316 SPRING AND SPRING HOLDER; DISC; RERAINER; DRIVING NOTCH; DRIVING BAND |
| 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 |
|---|---|
| CF-SP-79416TY1SZ1.50 XF91MO15M PRIMARY | John Crane, Inc (USA) |
| NSP-00158 | John Crane, Inc (USA) |
| 6227055-4PIECE1-9 | Naval Sea Systems Command (USA) |
| NSP-00158 | Defense Maritime Solutions, Inc. (USA) |
| M23375 | John Crane, Inc (USA) |
| Reference | Meaning |
|---|---|
| NSP-00158 | 5/9 Secondary reference Wartsila Lips Inc |
| CF-SP-79416TY1SZ1.50-BF50MDM | 5/9 Secondary reference John Crane, Inc |
NSN 4320-01-283-6723 is a Seal Assembly,shaft,spring Loade, manufactured by John Crane, Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-283-6723 has 5 manufacturer part numbers on file: CF-SP-79416TY1SZ1.50 XF91MO15M (John Crane, Inc), NSP-00158 (John Crane, Inc), 6227055-4PIECE1-9 (Naval Sea Systems Command), NSP-00158 (Defense Maritime Solutions, Inc.), M23375 (John Crane, Inc).
Key specifications for CF-SP-79416TY1SZ1.50 XF91MO15M: General Characteristics Item Description: CONSISTS OF VITON BELLOWS AND O-RING; NICKEL BOUND TUNGSTENCARBIDE MATING RING AND SEALING RING; STAINLESS STEEL COMP 316 SPRING AND SPRING HOLDER; DISC; RERAINER; DRIVING NOTCH; DRIVING BAND. 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.