The Gear Rotor Set,rotary Pump, cataloged under National Stock Number 4320-01-389-8397, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Vian Enterprises Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4320-01-389-8397 |
| Primary Part Number | 3862836-1 |
| Item Name | Gear Rotor Set,rotary Pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Vian Enterprises Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 3862836-1 PRIMARY | Vian Enterprises Inc (USA) |
| Reference | Meaning |
|---|---|
| 3862836-1 | 1/2 Source control — Government-approved source U.S. Government activity |
| 3862836-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4320-01-389-8397 is a Gear Rotor Set,rotary Pump, manufactured by Vian Enterprises Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-389-8397 has 1 manufacturer part number on file: 3862836-1 (Vian Enterprises Inc).
Key specifications for 3862836-1: Special Features: MATL, INNER ROTOR AISI 8620, CARBURIZED AND HARDENED; OUTER ROTOR AISI 4130; TAB DIM. INNER AND OUTER ROTOR WIDTH, 0.3201, 0.3199; End Item Identification: PACER DAWN. 0 specifications are 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.