The Sprocket Wheel, cataloged under National Stock Number 3020-00-128-9822, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba. Government technical data includes 22 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-128-9822 |
| Primary Part Number | 52B9144-6 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba |
| Status | ACTIVE |
| Hub Outside Diameter | 3.750 INCHES NOMINAL BB END IN |
| Bore Length | 1.750 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.500 INCHES NOMINAL IN |
| Asa Standard Chain Number | 40-2 |
| Outside Diameter | 6.650 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Pitch Diameter | 6.3730 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 2 |
| Teeth Quantity Per Row | 40 |
| Protruding Hub Characteristic | PLAIN |
| Distance From Center of Bore to Bottom of Keyway | 0.938 INCHES NOMINAL IN |
| Distance From Hub End to Flange End | 0.909 INCHES NOMINAL BB END IN |
| Center to Center Distance Between Teeth Rows | 0.566 INCHES NOMINAL IN |
| Keyway Width | 0.375 INCHES NOMINAL IN |
| Bore Diameter | 1.500 INCHES NOMINAL IN |
| Material | STEEL |
| Furnished Items | KEYING FACILITY |
| Face Width | 0.841 INCHES NOMINAL 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 |
|---|---|
| 52B9144-6 PRIMARY | Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba (USA) |
| Reference | Meaning |
|---|---|
| ASA40-2-40TB112 | 5/9 Secondary reference U.S. Government activity |
| 52-W-2291-33 | 5/9 Secondary reference Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba |
| D40B40 1.500 IN. BORE | 5/9 Secondary reference Martin Sprocket and Gear Inc |
| ASA40-2-40TB112 | 5/9 Secondary reference Martin Sprocket and Gear Inc |
| 52W2351-33 | 5/9 Secondary reference Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba |
NSN 3020-00-128-9822 is a Sprocket Wheel, manufactured by Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-128-9822 has 1 manufacturer part number on file: 52B9144-6 (Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba).
Key specifications for 52B9144-6: Hub Outside Diameter: 3.750 INCHES NOMINAL BB END IN; Bore Length: 1.750 INCHES NOMINAL IN; Design Form: PLAIN; Tooth Pitch: 0.500 INCHES NOMINAL IN. 22 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.