The Gear,helical, cataloged under National Stock Number 3020-00-200-2137, 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 Agco Corp Parts Opn. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-200-2137 |
| Primary Part Number | 4310332 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Agco Corp Parts Opn |
| Status | ACTIVE |
| Keyway Nominal Width | 0.499 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 3.624 INCHES BOTH ENDS IN |
| Helix Angle | 33.1500 DEGREES |
| Hub Nominal Diameter | 4.750 INCHES FIRST END IN |
| Teeth Quantity | 36 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | LEFT |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.468 INCHES FIRST END IN |
| Teeth Type | SINGLE HELIX |
| Hardness Rating | 21.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Overall Length | 2.219 INCHES IN |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1137 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 5.3748 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 5.6248 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 2.065 INCHES BOTH ENDS IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL COMP 1137 OVERALL |
| Face Nominal Width | 1.750 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 |
|---|---|
| 4310332 PRIMARY | Agco Corp Parts Opn (USA) |
| 81831S4105-552651PCDE10332 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 81831S4105-552651PCDE10332 | 5/9 Secondary reference U.S. Government activity |
NSN 3020-00-200-2137 is a Gear,helical, manufactured by Agco Corp Parts Opn, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-200-2137 has 2 manufacturer part numbers on file: 4310332 (Agco Corp Parts Opn), 81831S4105-552651PCDE10332 (Naval Sea Systems Command).
Key specifications for 4310332: Keyway Nominal Width: 0.499 INCHES BOTH ENDS IN; Bore Nominal Diameter: 3.624 INCHES BOTH ENDS IN; Helix Angle: 33.1500 DEGREES; Hub Nominal Diameter: 4.750 INCHES FIRST END 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.