The Brake Drum, cataloged under National Stock Number 3040-01-198-9771, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Jones Engineering & Manufacturing Co Inc. Government technical data includes 9 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-198-9771 |
| Primary Part Number | ES1846 |
| Item Name | Brake Drum |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Jones Engineering & Manufacturing Co Inc |
| Status | ACTIVE |
| Mounting Hole Quantity | 5 |
| FSC Application Data | GROUND SUPPORT EQUIPMENT F-18 AIRCRAFT |
| Mounting Hole Spacing | EQUALLY SPACED ON 5.500 IN. BOLT CIRCLE IN |
| Braking Surface Width | 2.200 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.531 INCHES NOMINAL IN |
| Overall Outside Diameter | 7.495 INCHES MINIMUM AND 7.505 INCHES MAXIMUM IN |
| Braking Surface Location | INTERNAL |
| Center Hole Diameter | 4.000 INCHES MINIMUM AND 4.005 INCHES MAXIMUM IN |
| Braking Surface Diameter | 7.090 INCHES MINIMUM AND 7.120 INCHES MAXIMUM 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 |
|---|---|
| ES1846 PRIMARY | Jones Engineering & Manufacturing Co Inc (USA) |
| Reference | Meaning |
|---|---|
| ES1846 | 5/9 Secondary reference Product Development Group Inc |
NSN 3040-01-198-9771 is a Brake Drum, manufactured by Jones Engineering & Manufacturing Co Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-198-9771 has 1 manufacturer part number on file: ES1846 (Jones Engineering & Manufacturing Co Inc).
Key specifications for ES1846: Mounting Hole Quantity: 5; FSC Application Data: GROUND SUPPORT EQUIPMENT F-18 AIRCRAFT; Mounting Hole Spacing: EQUALLY SPACED ON 5.500 IN. BOLT CIRCLE IN; Braking Surface Width: 2.200 INCHES NOMINAL IN. 9 specifications are 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.