The Vacuum Pump,rotary, cataloged under National Stock Number 4310-01-070-7068, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Sihi Pumps Ltd. The record lists 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Vacuum Pump,rotary |
| FSC / FSG | 4310 — Compressors and Vacuum Pumps (FSG 43) |
| Manufacturers | Sihi Pumps Ltd (CAGE 37027); Sihi Pumps, Inc. (CAGE 58874) |
| Parameter | Value |
|---|---|
| NSN | 4310-01-070-7068 |
| Primary Part Number | LPHY3404BN999-02-2EUEM-EE |
| Item Name | Vacuum Pump,rotary |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Sihi Pumps Ltd |
| 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 |
|---|---|
| LPHY3404BN999-02-2EUEM-EE PRIMARY | Sihi Pumps Ltd (CAN) |
| 901918 PRIMARY | Sihi Pumps, Inc. (USA) |
| 902126 | Sihi Pumps, Inc. (USA) |
| LCHY3404BN999-02-2 PRIMARY | Sihi Pumps Ltd (CAN) |
| LPHY3404BN999-02 | Sihi Pumps, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 901918 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4310-01-070-7068 is a Vacuum Pump,rotary, manufactured by Sihi Pumps Ltd, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-070-7068 has 5 manufacturer part numbers on file: LPHY3404BN999-02-2EUEM-EE (Sihi Pumps Ltd), 901918 (Sihi Pumps, Inc.), 902126 (Sihi Pumps, Inc.), LCHY3404BN999-02-2 (Sihi Pumps Ltd), LPHY3404BN999-02 (Sihi Pumps, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-135-1219. 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.