The Gear,bevel, cataloged under National Stock Number 3020-00-736-9271, 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 Cooper Machinery Services Llc. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-736-9271 |
| Primary Part Number | 4B-1604 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Cooper Machinery Services Llc |
| Status | ACTIVE |
| Body Style | PLAIN, SOLID |
| Tooth Direction | RIGHT |
| Teeth Type | STRAIGHT |
| Nominal Overall Length | 5.181 INCHES IN |
| Style Designator | PERIPHERAL FACE, BACK HUB PROTRUDING |
| Bore Nominal Depth | 1.430 INCHES FIRST END IN |
| Pitch Diameter | 1.5833 INCHES NOMINAL IN |
| Nominal Outside Diameter | 1.7300 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.678 INCHES 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 |
|---|---|
| 4B-1604 PRIMARY | Cooper Machinery Services Llc (USA) |
| Reference | Meaning |
|---|---|
| 4B1604 | 5/9 Secondary reference Cooper Cameron Corp Ajax-Superior Div |
NSN 3020-00-736-9271 is a Gear,bevel, manufactured by Cooper Machinery Services Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-736-9271 has 1 manufacturer part number on file: 4B-1604 (Cooper Machinery Services Llc).
Key specifications for 4B-1604: Body Style: PLAIN, SOLID; Tooth Direction: RIGHT; Teeth Type: STRAIGHT; Nominal Overall Length: 5.181 INCHES IN. 11 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.