The Piston,cleaning Mac, cataloged under National Stock Number 4920-00-997-1806, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Ingersoll-Rand Company Dba Ingersoll-Rand. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Piston,cleaning Mac |
| FSC / FSG | 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment (FSG 49) |
| Manufacturers | Ingersoll-Rand Company Dba Ingersoll-Rand (CAGE 03990) |
| Parameter | Value |
|---|---|
| NSN | 4920-00-997-1806 |
| Primary Part Number | 90797 |
| Item Name | Piston,cleaning Mac |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Ingersoll-Rand Company Dba Ingersoll-Rand |
| 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 |
|---|---|
| 90797 PRIMARY | Ingersoll-Rand Company Dba Ingersoll-Rand (USA) |
NSN 4920-00-997-1806 is a Piston,cleaning Mac, manufactured by Ingersoll-Rand Company Dba Ingersoll-Rand, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-00-997-1806 has 1 manufacturer part number on file: 90797 (Ingersoll-Rand Company Dba Ingersoll-Rand).
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.