The Gear,spur, cataloged under National Stock Number 3020-01-548-4321, 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 Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc.. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-548-4321 |
| Primary Part Number | D115087-501 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc. |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.312 INCHES BETWEEN BODY AND FLANGE IN |
| Hub Nominal Diameter | 0.625 INCHES FIRST END IN |
| Teeth Quantity | 39 |
| Body Style | WEBBED, SOLID |
| Nominal Distance Between Body Face and Protruding Hub End | 0.048 INCHES BOTH ENDS IN |
| Nominal Overall Length | 1.247 INCHES IN |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 3.9000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BETWEEN BODY AND FLANGE |
| Nominal Outside Diameter | 4.060 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL CORROSION RESISTING OVERALL |
| Face Nominal Width | 1.155 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 |
|---|---|
| D115087-501 | Rockwell Collins, Inc. (USA) |
| D115087-501 PRIMARY | Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc. (USA) |
| D115087-501 | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| Reference | Meaning |
|---|---|
| D115087-507 | 5/9 Secondary reference Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc. |
| D115087-501 | 5/9 Secondary reference Ami Industries, Inc Div Utc Aerospace Systems |
NSN 3020-01-548-4321 is a Gear,spur, manufactured by Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-548-4321 has 3 manufacturer part numbers on file: D115087-501 (Rockwell Collins, Inc.), D115087-501 (Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc.), D115087-501 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for D115087-501: Bore Nominal Diameter: 0.312 INCHES BETWEEN BODY AND FLANGE IN; Hub Nominal Diameter: 0.625 INCHES FIRST END IN; Teeth Quantity: 39; Body Style: WEBBED, SOLID. 14 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.