The Auxiliary Cam Stop, cataloged under National Stock Number 5990-01-049-8499, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-01-049-8499 |
| Primary Part Number | 190B187 |
| Item Name | Auxiliary Cam Stop |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division |
| Status | ACTIVE |
| General Characteristics Item Description | AISI 1015 STL,0.373 PORM 0.005 IN. WD,0.060 POR 0.003 IN. THK,2 HOLES 0.144 IN. DIA 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 |
|---|---|
| 190B187 PRIMARY | Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division (USA) |
| Reference | Meaning |
|---|---|
| 190B187 | 5/9 Secondary reference Eaton Motor Site |
NSN 5990-01-049-8499 is a Auxiliary Cam Stop, manufactured by Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-01-049-8499 has 1 manufacturer part number on file: 190B187 (Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division).
Key specifications for 190B187: General Characteristics Item Description: AISI 1015 STL,0.373 PORM 0.005 IN. WD,0.060 POR 0.003 IN. THK,2 HOLES 0.144 IN. DIA IN. 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.