The Plunger,idler Spring, cataloged under National Stock Number 2990-00-829-5602, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-829-5602 |
| Primary Part Number | 139618 |
| Item Name | Plunger,idler Spring |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL;0.562 IN.LG;0.625 IN.OD;0.267 IN.DIA PARTIAL BORE;0.125 IN.W CENTERED GROOVE ON OUTER PERIPHERY;0.062 IN.DEEP IN |
| 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 |
|---|---|
| 139618 PRIMARY | Cummins Inc. (USA) |
NSN 2990-00-829-5602 is a Plunger,idler Spring, manufactured by Cummins Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-829-5602 has 1 manufacturer part number on file: 139618 (Cummins Inc.).
Key specifications for 139618: General Characteristics Item Description: STEEL;0.562 IN.LG;0.625 IN.OD;0.267 IN.DIA PARTIAL BORE;0.125 IN.W CENTERED GROOVE ON OUTER PERIPHERY;0.062 IN.DEEP IN; End Item Identification: CLARK MODEL 290M;TRACTOR,WHEELED,IND.,DIESEL DRIVEN;MED DBP,NSN 2420000889384,W/ROPS NSN 2420010590090 W. 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.