The Compressor Unit,reciprocating, cataloged under National Stock Number 4310-01-522-1097, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Compressor Unit,reciprocating |
| FSC / FSG | 4310 — Compressors and Vacuum Pumps (FSG 43) |
| Manufacturers | Caterpillar Inc Div Caterpillar Defense (CAGE 11083); Oshkosh Defense Llc (CAGE 75Q65) |
| Parameter | Value |
|---|---|
| NSN | 4310-01-522-1097 |
| Primary Part Number | 197-9640 |
| Item Name | Compressor Unit,reciprocating |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| 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 |
NSN 4310-01-522-1097 is a Compressor Unit,reciprocating, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-522-1097 has 2 manufacturer part numbers on file: 197-9640 (Caterpillar Inc Div Caterpillar Defense), 5KK77 (Oshkosh Defense Llc).
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.