The Gear,bevel, cataloged under National Stock Number 3020-01-129-4689, 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 24 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-129-4689 |
| Primary Part Number | 36373 |
| 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 | 0.288 INCHES BOTH ENDS IN |
| Teeth Quantity | 47 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 0.3550 INCHES FIRST END IN |
| Pitch Angle | 53.0000 DEGREES |
| Tooth Direction | LEFT |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.915 INCHES SECOND END IN |
| Precision Classification | QUALITY NUMBER 12 |
| Teeth Type | SPIRAL |
| Hardness Rating | 48.0 ROCKWELL C NOMINAL OVERALL |
| Nominal Overall Length | 1.0900 INCHES IN |
| Style Designator | PERIPHERAL FACE, BACK HUB PROTRUDING |
| Pitch Diameter | 2.3500 INCHES NOMINAL IN |
| Hub Style Designator | THREADED FIRST END |
| Spline Quantity | 13 BOTH ENDS |
| Nominal Outside Diameter | 2.3860 INCHES IN |
| Surface Treatment | CARBON OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Counterbore Nominal Depth | 0.170 INCHES FIRST END IN |
| Spline Pitch Diameter | 0.2708 INCHES NOMINAL BOTH ENDS IN |
| Body Recess Nominal Depth | 0.0900 INCHES FIRST END IN |
| Face Nominal Width | 0.1500 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 36373 PRIMARY | Williams International Co., L.l.c. (USA) |
| Reference | Meaning |
|---|---|
| 36373 | 5/9 Secondary reference Arrow Gear Llc |
| 36373 | 5/9 Secondary reference Triumph Gear Systems - Macomb, Inc |
NSN 3020-01-129-4689 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 3020-01-129-4689 has 1 manufacturer part number on file: 36373 (Williams International Co., L.l.c.).
2 possible matches (shared part number, not a government interchangeability claim): 4130-01-337-3594, 4730-01-725-2942. Verify interchangeability with system specifications before substitution.
Key specifications for 36373: Bore Nominal Diameter: 0.288 INCHES BOTH ENDS IN; Teeth Quantity: 47; Body Style: PLAIN, SOLID; Counterbore Nominal Diameter: 0.3550 INCHES FIRST END IN. 24 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 3020-01-129-4689 has DEMIL Code D. 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.