The Gear,worm, cataloged under National Stock Number 3020-00-274-2996, 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 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-274-2996 |
| Primary Part Number | 30C2563-5-3100 |
| Item Name | Gear,worm |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| Status | ACTIVE |
| Thread Form Direction | RIGHT-HAND |
| Keyway Nominal Width | 0.187 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 1.253 INCHES BOTH ENDS IN |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Face Type | STRAIGHT |
| Style Designator | HUBLESS |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.3700 INCHES NOMINAL IN |
| Thread Form Quantity | 3 |
| Nominal Outside Diameter | 2.610 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.718 INCHES BOTH ENDS IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL COMP 1025 OVERALL |
| Face Nominal Width | 1.750 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 |
|---|---|
| 30C2563-5-3100 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| 30C2563-5-3100 | 5/9 Secondary reference Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand |
| 30C2563-5-3100 | 3/9 Design control — primary reference Tuthill Corporation Div Coppus Portable Ventilation Division |
NSN 3020-00-274-2996 is a Gear,worm, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-274-2996 has 1 manufacturer part number on file: 30C2563-5-3100 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions).
Key specifications for 30C2563-5-3100: Thread Form Direction: RIGHT-HAND; Keyway Nominal Width: 0.187 INCHES BOTH ENDS IN; Bore Nominal Diameter: 1.253 INCHES BOTH ENDS IN; Bore Style: W/ KEYWAY BOTH ENDS. 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.