The Gear,worm Wheel, cataloged under National Stock Number 3020-00-294-8772, 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 Rexnord Industries Llc. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-00-294-8772 |
| Primary Part Number | 700090-32 |
| Item Name | Gear,worm Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Rexnord Industries Llc |
| Status | ACTIVE |
| Keyway Nominal Width | 0.500 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 2.000 INCHES BOTH ENDS IN |
| Helix Angle | 16.1499 DEGREES |
| Teeth Quantity | 29 |
| Tooth Direction | RIGHT |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Throat Nominal Radius | 0.683 INCHES IN |
| Face Type | CONCAVE |
| Material Document and Classification | MIL-B-16540,GD A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Distance From Bore Center to Keyway Bottom | 1.250 INCHES BOTH ENDS IN |
| Pressure Angle | 27.5000 DEGREES |
| Material | COPPER ALLOY 903 OVERALL |
| Mating Thread Lead Quantity | 2 |
| 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 |
|---|---|
| 700090-32 | Rexnord Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| W50BB13X2 | 3/9 Design control — primary reference Imo Industries Inc Delroyd Worm Gear Div |
| W50BB13X2 | 5/9 Secondary reference Siemens Energy, Inc. |
NSN 3020-00-294-8772 is a Gear,worm Wheel, manufactured by Rexnord Industries Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-294-8772 has 1 manufacturer part number on file: 700090-32 (Rexnord Industries Llc).
1 possible match (shared part number, not a government interchangeability claim): 1710-01-491-7746. Verify interchangeability with system specifications before substitution.
Key specifications for 700090-32: Keyway Nominal Width: 0.500 INCHES BOTH ENDS IN; Bore Nominal Diameter: 2.000 INCHES BOTH ENDS IN; Helix Angle: 16.1499 DEGREES; Teeth Quantity: 29. 13 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.