The Gear,worm, cataloged under National Stock Number 3020-00-446-4659, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Northrop Grumman Systems Corporation Div Marine Systems. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 31 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-446-4659 |
| Primary Part Number | D15-716BPC444 |
| Item Name | Gear,worm |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Northrop Grumman Systems Corporation Div Marine Systems |
| Status | ACTIVE |
| Nominal Distance From Bore Center to Keyway Bottom | 0.469 INCHES BOTH ENDS IN |
| Pitch Diameter | 1.2500 INCHES NOMINAL IN |
| Face Nominal Width | 1.375 INCHES IN |
| Material | STEEL OVERALL |
| Style Designator | HUBLESS |
| Nominal Outside Diameter | 1.450 INCHES IN |
| Material Document and Classification | MIL-S-890,CLASS B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Pressure Angle | 14.5000 DEGREES |
| Thread Form Quantity | 4 |
| Keyway Nominal Width | 0.188 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.750 INCHES BOTH ENDS IN |
| Helix Angle | 17.7500 DEGREES |
| Thread Form Direction | RIGHT-HAND |
| Face Type | STRAIGHT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| DD421S53-033PC444 | Naval Sea Systems Command (USA) |
| D15-716TPC444 | Westinghouse Electric Corp (USA) |
| DE51S5300-8PC444 | Naval Ship Systems Command (USA) |
| 6158 | Westinghouse Electric Corp (USA) |
| D15-414CPC444 | Westinghouse Electric Corp (USA) |
| 6158 | Westinghouse Electric Corp Sturtevant Div (USA) |
| D15-716BPC444 PRIMARY | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| 6158 PRIMARY | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| DE51S5300-8PC444 | Naval Sea Systems Command (USA) |
| DD421S53-021PC444 | Naval Sea Systems Command (USA) |
| D15-716-1PC444 | Westinghouse Electric Corp Sturtevant Div (USA) |
| H1618RH | Altra Industrial Motion Corp. (USA) |
| D15-414AAPC444 | Westinghouse Electric Corp Sturtevant Div (USA) |
| 444-0-PC-444 PRIMARY | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| D15-4140PC444 | Westinghouse Electric Corp Sturtevant Div (USA) |
| DD421S53-045PC444 | Naval Sea Systems Command (USA) |
| DD421S53-021PC444 | Naval Ship Systems Command (USA) |
| D15-4140PC444 | Westinghouse Electric Corp (USA) |
| DD421S53-033PC444 | Naval Ship Systems Command (USA) |
| DE51S5300-443826PC444 | Naval Ship Systems Command (USA) |
NSN 3020-00-446-4659 is a Gear,worm, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-446-4659 has 31 cross-referenced part numbers: DD421S53-033PC444 (Naval Sea Systems Command), D15-716TPC444 (Westinghouse Electric Corp), DE51S5300-8PC444 (Naval Ship Systems Command), 6158 (Westinghouse Electric Corp), D15-414CPC444 (Westinghouse Electric Corp) and 26 more.
There are 12 known substitutes for 3020-00-446-4659: 5360-00-145-0218, 4510-00-242-4360, 5935-00-320-7177 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for D15-716BPC444: Nominal Distance From Bore Center to Keyway Bottom: 0.469 INCHES BOTH ENDS IN; Pitch Diameter: 1.2500 INCHES NOMINAL IN; Face Nominal Width: 1.375 INCHES IN; Material: STEEL OVERALL. 15 total characteristics are documented in the Federal Logistics Information System.