The Handle,priming Valv, cataloged under National Stock Number 4320-00-427-8552, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is The Gorman-Rupp Company Div Gorman-Rupp. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Handle,priming Valv |
| FSC / FSG | 4320 — Power and Hand Pumps (FSG 43) |
| Manufacturers | The Gorman-Rupp Company Div Gorman-Rupp (CAGE 25567) |
| Parameter | Value |
|---|---|
| NSN | 4320-00-427-8552 |
| Primary Part Number | 1629A 10010 |
| Item Name | Handle,priming Valv |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | The Gorman-Rupp Company Div Gorman-Rupp |
| 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 |
|---|---|
| 1629A 10010 PRIMARY | The Gorman-Rupp Company Div Gorman-Rupp (USA) |
| GRC55 | The Gorman-Rupp Company Div Gorman-Rupp (USA) |
| Reference | Meaning |
|---|---|
| 1629A | 5/9 Secondary reference The Gorman-Rupp Company Div Gorman-Rupp |
NSN 4320-00-427-8552 is a Handle,priming Valv, manufactured by The Gorman-Rupp Company Div Gorman-Rupp, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-427-8552 has 2 manufacturer part numbers on file: 1629A 10010 (The Gorman-Rupp Company Div Gorman-Rupp), GRC55 (The Gorman-Rupp Company Div Gorman-Rupp).
1 possible match (shared part number, not a government interchangeability claim): 4320-00-485-9390. 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.