The Packing Set,ring, cataloged under National Stock Number 4320-00-718-5734, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Johnston Pump Co Inc Div of Johnston Pump/general Valve Inc. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Packing Set,ring |
| FSC / FSG | 4320 — Power and Hand Pumps (FSG 43) |
| Manufacturers | Johnston Pump Co Inc Div of Johnston Pump/general Valve Inc (CAGE 32356) |
| Parameter | Value |
|---|---|
| NSN | 4320-00-718-5734 |
| Primary Part Number | 1CA448-1 |
| Item Name | Packing Set,ring |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Johnston Pump Co Inc Div of Johnston Pump/general Valve 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 |
|---|---|
| 1CA448-1 PRIMARY | Johnston Pump Co Inc Div of Johnston Pump/general Valve Inc (USA) |
| B777 | Johnston Pump Co Inc Div of Johnston Pump/general Valve Inc (USA) |
| Reference | Meaning |
|---|---|
| 1CA448-1 | 5/9 Secondary reference Ltv Steel Co Inc |
| B777 | 5/9 Secondary reference Ltv Steel Co Inc |
NSN 4320-00-718-5734 is a Packing Set,ring, manufactured by Johnston Pump Co Inc Div of Johnston Pump/general Valve Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-718-5734 has 2 manufacturer part numbers on file: 1CA448-1 (Johnston Pump Co Inc Div of Johnston Pump/general Valve Inc), B777 (Johnston Pump Co Inc Div of Johnston Pump/general Valve Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-482-9664, 6130-01-513-3015. 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.