The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-560-6172, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-560-6172 |
| Primary Part Number | B49335 |
| 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 | 1 EA MONEL SPRING HOLDER;MONEL SPRING;MONEL SPRING ADAPTOR;MONEL DRIVE BAND;VITON BELLOWS;MONEL DISC;MONEL RETAINER;CARBON PRIMARY RING;VITON O-RING; AND TUNGSTEN CARBIDE MATING RING |
| 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 |
|---|---|
| N-999-64GG-A-002 ITEM 15 | Carver Pump Company (USA) |
| B49335 PRIMARY | John Crane, Inc (USA) |
| 091-200-02-0274 | Carver Pump Company (USA) |
NSN 4320-01-560-6172 is a Seal Assembly,shaft,spring Loade, manufactured by John Crane, Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-560-6172 has 3 manufacturer part numbers on file: N-999-64GG-A-002 ITEM 15 (Carver Pump Company), B49335 (John Crane, Inc), 091-200-02-0274 (Carver Pump Company).
Key specifications for B49335: General Characteristics Item Description: 1 EA MONEL SPRING HOLDER;MONEL SPRING;MONEL SPRING ADAPTOR;MONEL DRIVE BAND;VITON BELLOWS;MONEL DISC;MONEL RETAINER;CARBON PRIMARY RING;VITON O-RING; AND TUNGSTEN CARBIDE MATING RING; Part Name Assigned by Controlling Agency: MECHANICAL SEAL; End Item Identification: CARVER CENTRIFUGAL PUMP UNIT,NSN 4320-01-560-0181. 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.