The Gear Sector,worm Wheel, cataloged under National Stock Number 3020-01-445-7561, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-445-7561 |
| Primary Part Number | 123-4403554 PIECE 4 |
| Item Name | Gear Sector,worm Wheel |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Material | COPPER ALLOY OVERALL |
| Arc Nominal Length | 6.1320 INCHES IN |
| Bore Style | PLAIN BOTH ENDS |
| Style Designator | HUBLESS |
| Throat Nominal Radius | 0.6250 INCHES IN |
| Face Nominal Width | 0.872 INCHES IN |
| Material Document and Classification | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Mating Thread Lead Quantity | 1 |
| Pressure Angle | 14.5000 DEGREES |
| Pitch Radius | 1.6710 INCHES NOMINAL IN |
| Helix Angle | 6.3500 DEGREES |
| Teeth Quantity | 14 |
| Nominal Outside Radius | 1.8102 INCHES IN |
| Face Type | CONCAVE |
| Bore Nominal Diameter | 1.063 INCHES BOTH ENDS IN |
| Tooth Direction | RIGHT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4403554 | Naval Sea Systems Command (USA) |
| 1502-99 PIECE 9 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 1502-98 PIECE 4 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 123-4403554 PIECE 4 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 123-4775355 PIECE 9 | Naval Sea Systems Command (USA) |
| 123-4403554 PIECE 4 PRIMARY | Naval Sea Systems Command (USA) |
| 4775355 | Naval Sea Systems Command (USA) |
| 123-4775355 PIECE 9 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
NSN 3020-01-445-7561 is a Gear Sector,worm Wheel, manufactured by Naval Sea Systems Command, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-01-445-7561 has 8 cross-referenced part numbers: 4403554 (Naval Sea Systems Command), 1502-99 PIECE 9 (Huntington Ingalls Inc Div Newport News Shipbuilding), 1502-98 PIECE 4 (Huntington Ingalls Inc Div Newport News Shipbuilding), 123-4403554 PIECE 4 (Huntington Ingalls Inc Div Newport News Shipbuilding), 123-4775355 PIECE 9 (Naval Sea Systems Command) and 3 more.
There are 3 known substitutes for 3020-01-445-7561: 5340-01-122-3507, 3040-01-352-2429, 3020-01-352-6107. Verify interchangeability with system specifications before substitution.
Key specifications for 123-4403554 PIECE 4: Material: COPPER ALLOY OVERALL; Arc Nominal Length: 6.1320 INCHES IN; Bore Style: PLAIN BOTH ENDS; Style Designator: HUBLESS. 17 total characteristics are documented in the Federal Logistics Information System.