The Gear,bevel, cataloged under National Stock Number 3020-01-127-8231, 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 Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division. Government technical data includes 27 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-127-8231 |
| Primary Part Number | 6321-0084-01 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division |
| Status | ACTIVE |
| Keyway Nominal Width | 0.066 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.376 INCHES BOTH ENDS IN |
| Teeth Quantity | 27 |
| Surface Treatment Document and Classification | MIL-T-10727,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | PLAIN, SOLID |
| Pitch Angle | 52.0000 DEGREES |
| Tooth Direction | RIGHT |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.540 INCHES SECOND END IN |
| First Step Nominal Length | 0.040 INCHES SECOND END IN |
| Precision Classification | QUALITY NUMBER 8 |
| Teeth Type | STRAIGHT |
| Nominal Overall Length | 0.755 INCHES IN |
| Style Designator | PERIPHERAL FACE, BACK HUB PROTRUDING |
| Material Document and Classification | MIL-S-8690 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.3500 INCHES NOMINAL IN |
| First Step Nominal Diameter | 0.625 INCHES SECOND END IN |
| Bore Nominal Width | 0.625 INCHES SECOND END IN |
| Hub Style Designator | 1 STEP SECOND END |
| End Nominal Length | 0.500 INCHES SECOND END IN |
| Nominal Outside Diameter | 1.391 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.227 INCHES BOTH ENDS IN |
| Surface Treatment | TIN OVERALL |
| End Nominal Diameter | 0.499 INCHES SECOND END IN |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL COMP 8620 OVERALL |
| Face Nominal Width | 0.260 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 |
|---|---|
| 6321-0084-01 | Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division (USA) |
| Reference | Meaning |
|---|---|
| 6321-0084 | D/9 Drawing number reference only Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division |
| 6321-0084-01 | 3/9 Design control — primary reference Joly Engineering Ltd |
| 10106666 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 3020-01-127-8231 is a Gear,bevel, manufactured by Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-127-8231 has 1 manufacturer part number on file: 6321-0084-01 (Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division).
Key specifications for 6321-0084-01: Keyway Nominal Width: 0.066 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.376 INCHES BOTH ENDS IN; Teeth Quantity: 27; Surface Treatment Document and Classification: MIL-T-10727,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 27 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.