The Vacuum Pump,diffusion, cataloged under National Stock Number 4310-01-577-8716, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Welch Vacuum Technology Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-577-8716 |
| Primary Part Number | 8920A |
| Item Name | Vacuum Pump,diffusion |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Welch Vacuum Technology 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 |
|---|---|
| 8920A PRIMARY | Welch Vacuum Technology Inc (USA) |
NSN 4310-01-577-8716 is a Vacuum Pump,diffusion, manufactured by Welch Vacuum Technology Inc, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-577-8716 has 1 manufacturer part number on file: 8920A (Welch Vacuum Technology Inc).
Key specifications for 8920A: Special Features: WIRED FOR 115V, 60HZ; 1PH WITH II, AMERICAN 115V PLUG; WIRED FOR 230V, 50HZ, 1PH WITH CONT EURO (SCHUKO) PLUG V; Part Name Assigned by Controlling Agency: DIRECT-DRIVE HIGH VACUUM. 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.