The Retainer Bar,air, cataloged under National Stock Number 2940-01-155-6816, is classified within Federal Supply Class 2940 (Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Oshkosh Defense Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Retainer Bar,air |
| FSC / FSG | 2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft (FSG 29) |
| Manufacturers | Oshkosh Defense Llc (CAGE 75Q65); Maradyne Corporation (CAGE 0DBY7) |
| Parameter | Value |
|---|---|
| NSN | 2940-01-155-6816 |
| Primary Part Number | 2AL580 |
| Item Name | Retainer Bar,air |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Oshkosh Defense Llc |
| 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 |
|---|---|
| 2AL580 | Oshkosh Defense Llc (USA) |
| L193C7K090 | Maradyne Corporation (USA) |
| Reference | Meaning |
|---|---|
| L-193C7K026 | 5/9 Secondary reference United Air Filter, Inc. |
| L193C7K090 | 3/9 Design control — primary reference United Air Filter, Inc. |
| 1-193C7K | 5/9 Secondary reference United Air Filter, Inc. |
| L193C7K090 | 5/9 Secondary reference Greenlees Filter Llc |
| 2AL580 | 5/9 Secondary reference Oshkosh Corp |
NSN 2940-01-155-6816 is a Retainer Bar,air, manufactured by Oshkosh Defense Llc, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-01-155-6816 has 2 manufacturer part numbers on file: 2AL580 (Oshkosh Defense Llc), L193C7K090 (Maradyne Corporation).
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.