The Guard,mechanical Drive, cataloged under National Stock Number 3020-01-169-1983, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is The Gorman-Rupp Company Div Gorman-Rupp. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-169-1983 |
| Primary Part Number | 34911-005 15990 |
| Item Name | Guard,mechanical Drive |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | The Gorman-Rupp Company Div Gorman-Rupp |
| Status | ACTIVE |
| Material | STEEL |
| 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 |
|---|---|
| 2AF291 | Oshkosh Defense Llc (USA) |
| 34911-005 15990 PRIMARY | The Gorman-Rupp Company Div Gorman-Rupp (USA) |
| Reference | Meaning |
|---|---|
| 2AF291 | 5/9 Secondary reference Oshkosh Corp |
| 34911-005 | 5/9 Secondary reference The Gorman-Rupp Company Div Gorman-Rupp |
NSN 3020-01-169-1983 is a Guard,mechanical Drive, manufactured by The Gorman-Rupp Company Div Gorman-Rupp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-169-1983 has 2 manufacturer part numbers on file: 2AF291 (Oshkosh Defense Llc), 34911-005 15990 (The Gorman-Rupp Company Div Gorman-Rupp).
Key specifications for 34911-005 15990: Overall Length: 6.250 INCHES NOMINAL IN; Overall Width: 3.380 INCHES NOMINAL IN; Special Features: W/ 2 SLOTS 0.310 IN. X 0.062 IN.;BENT 2.380 RADIUS IN; Material: STEEL. 1 specification is 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.