The Gear,bevel, cataloged under National Stock Number 3020-00-232-4284, 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 Hatch & Kirk, Inc.. Government technical data includes 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-232-4284 |
| Primary Part Number | 3241319 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Hatch & Kirk, Inc. |
| Status | ACTIVE |
| Keyway Nominal Width | 0.156 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.753 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.750 INCHES SECOND END IN |
| Teeth Quantity | 27 |
| Body Style | PLAIN, SOLID |
| Pitch Angle | 45.0000 DEGREES |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.313 INCHES SECOND END IN |
| Teeth Type | STRAIGHT |
| Hardness Rating | 9.0 ROCKWELL C MINIMUM AND 15.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Overall Length | 1.000 INCHES IN |
| Style Designator | PERIPHERAL FACE, BACK HUB PROTRUDING |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1035 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.2450 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM IN |
| Hub Style Designator | PLAIN SECOND END |
| Nominal Outside Diameter | 2.366 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.455 INCHES BOTH ENDS IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL COMP 1035 OVERALL |
| Face Nominal Width | 0.567 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 |
|---|---|
| 3241319 PRIMARY | Hatch & Kirk, Inc. (USA) |
| Reference | Meaning |
|---|---|
| K-3239341 | 5/9 Secondary reference Korody-Colyer Corp a Cr Industries Co |
| 3241319 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
NSN 3020-00-232-4284 is a Gear,bevel, manufactured by Hatch & Kirk, Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-232-4284 has 1 manufacturer part number on file: 3241319 (Hatch & Kirk, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 7050-01-692-5649. Verify interchangeability with system specifications before substitution.
Key specifications for 3241319: Keyway Nominal Width: 0.156 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.753 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.750 INCHES SECOND END IN; Teeth Quantity: 27. 20 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.