The Gear,bevel, cataloged under National Stock Number 3020-01-013-6483, 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 Williams International Co., L.l.c.. Government technical data includes 23 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. 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 | 3020-01-013-6483 |
| Primary Part Number | 25886 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Williams International Co., L.l.c. |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.550 INCHES COUNTER BORE SECOND END IN |
| Teeth Quantity | 64 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 9.000 INCHES COUNTER BORE SECOND END IN |
| Pitch Angle | 63.4332 DEGREES |
| Tooth Direction | RIGHT |
| Bore Style | W/COUNTERBORE COUNTER BORE SECOND END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.304 INCHES FIRST END IN |
| First Step Nominal Length | 0.038 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 12 |
| Teeth Type | ZEROL |
| Nominal Overall Length | 0.700 INCHES IN |
| Style Designator | PERIPHERAL FACE, FRONT HUB PROTRUDING |
| Pitch Diameter | 4.0000 INCHES NOMINAL IN |
| First Step Nominal Diameter | 0.780 INCHES FIRST END IN |
| Hub Style Designator | 1 STEP FIRST END |
| End Nominal Length | 0.303 INCHES FIRST END IN |
| Nominal Outside Diameter | 5.496 INCHES IN |
| End Nominal Diameter | 0.670 INCHES FIRST END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Counterbore Nominal Depth | 0.124 INCHES COUNTER BORE SECOND END IN |
| Face Nominal Width | 0.200 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 25886 PRIMARY | Williams International Co., L.l.c. (USA) |
NSN 3020-01-013-6483 is a Gear,bevel, manufactured by Williams International Co., L.l.c., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-013-6483 has 1 manufacturer part number on file: 25886 (Williams International Co., L.l.c.).
1 possible match (shared part number, not a government interchangeability claim): 1650-01-679-3304. Verify interchangeability with system specifications before substitution.
Key specifications for 25886: Bore Nominal Diameter: 0.550 INCHES COUNTER BORE SECOND END IN; Teeth Quantity: 64; Body Style: PLAIN, SOLID; Counterbore Nominal Diameter: 9.000 INCHES COUNTER BORE SECOND END IN. 23 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.
NSN 3020-01-013-6483 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.