The Gear,spur, cataloged under National Stock Number 3020-01-437-3947, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-437-3947 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.375 INCHES BOTH ENDS IN |
| Teeth Quantity | 144 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Precision Classification | QUALITY NUMBER 10 |
| Style Designator | HUBLESS |
| Pitch Diameter | 3.0000 INCHES NOMINAL IN |
| Nominal Outside Diameter | 3.3500 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | ALUMINUM OVERALL |
| Face Nominal Width | 0.188 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 |
| Reference | Meaning |
|---|---|
| F48D5-14 (MOD P | C/1 Advisory reference — outside the item-of-supply concept W. M. Berg, Inc. |
| F48D5-144 | C/1 Advisory reference — outside the item-of-supply concept W. M. Berg, Inc. |
| F48D5-144 MOD PER B-0826 | 5/9 Secondary reference W. M. Berg, Inc. |
| B-0826 | C/1 Advisory reference — outside the item-of-supply concept L3 Technologies, Inc. |
| 10-2650-2 ITEM 37 | 3/9 Design control — primary reference L3 Technologies, Inc. |
NSN 3020-01-437-3947 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-437-3947: Bore Nominal Diameter: 0.375 INCHES BOTH ENDS IN; Teeth Quantity: 144; Body Style: PLAIN, SOLID; Bore Style: PLAIN BOTH ENDS. 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.