The Cover,mainshaft,governor, cataloged under National Stock Number 2990-01-159-8738, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Cummins Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-159-8738 |
| Primary Part Number | 307552500 |
| Item Name | Cover,mainshaft,governor |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | PART OF AFC-VS MAINSHAFT,COVER AND GOVERNOR R-7 |
| 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 |
|---|---|
| 307552500 PRIMARY | Cummins Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3023451 | 5/9 Secondary reference Cummins Inc. |
NSN 2990-01-159-8738 is a Cover,mainshaft,governor, manufactured by Cummins Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-159-8738 has 1 manufacturer part number on file: 307552500 (Cummins Inc.).
1 possible match (shared part number, not a government interchangeability claim): 2815-01-646-2867. Verify interchangeability with system specifications before substitution.
Key specifications for 307552500: General Characteristics Item Description: PART OF AFC-VS MAINSHAFT,COVER AND GOVERNOR R-7; End Item Identification: 2350-01-081-8138. 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.