The Gear,internal, cataloged under National Stock Number 3020-00-274-6470, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Control Flow, Inc. Dba Control Flow Inc. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-274-6470 |
| Primary Part Number | D1661 |
| Item Name | Gear,internal |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Control Flow, Inc. Dba Control Flow Inc |
| Status | ACTIVE |
| Mounting Hole Nominal Thread Size | 0.5000 INCHES AXIALLY THROUGH FLANGE IN |
| Mounting Hole Nominal Diameter | 0.6250 INCHES AXIALLY THROUGH FLANGE IN |
| Hardness Rating | 27.0 ROCKWELL C MINIMUM AND 29.0 ROCKWELL C MAXIMUM OVERALL |
| Attachment Method | MOUNTING HOLE |
| Flange Nominal Diameter | 32.4990 INCHES IN |
| Teeth Type | SPUR |
| Flange Nominal Thickness | 1.375 INCHES IN |
| Nominal Outside Diameter | 27.0000 INCHES IN |
| Pitch Diameter | 25.0000 INCHES NOMINAL IN |
| Mounting Hole Thread Series Designator | UNF AXIALLY THROUGH FLANGE |
| Material | STEEL COMP 4140 OVERALL |
| Bolt Hole Circle Nominal Diameter | 31.2500 INCHES AXIALLY THROUGH FLANGE IN |
| Body Style | PLAIN, SOLID |
| Style Designator | FLANGED RING |
| Pressure Angle | 20.0000 DEGREES |
| Mounting Hole Type and Quantity | 12 PLAIN AND 3 THREADED AXIALLY THROUGH FLANGE |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Overall Length | 2.5000 INCHES IN |
| Teeth Quantity | 100 |
| Tooth Form | STUB |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| D1661-1 | Control Flow, Inc. Dba Control Flow Inc (USA) |
| N8350PC18 | Control Flow, Inc. Dba Control Flow Inc (USA) |
| D1661 PRIMARY | Control Flow, Inc. Dba Control Flow Inc (USA) |
| N12262APC18 | Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division (USA) |
| N8352ALTAPC18 | Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division (USA) |
| D1661-1 | Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division (USA) |
| N8350PC18 | Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division (USA) |
| N12925ALTAPC18 | Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division (USA) |
| 18D1661 | Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division (USA) |
| N16268ALTCPC18 | Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division (USA) |
| D1661-3 | Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division (USA) |
| N8352ALTAPC18 | Control Flow, Inc. Dba Control Flow Inc (USA) |
| 18D1661 | Control Flow, Inc. Dba Control Flow Inc (USA) |
| N12925ALTAPC18 | Control Flow, Inc. Dba Control Flow Inc (USA) |
| D1661 | Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division (USA) |
| N12262APC18 | Control Flow, Inc. Dba Control Flow Inc (USA) |
| N16268ALTCPC18 | Control Flow, Inc. Dba Control Flow Inc (USA) |
| D1661-3 | Control Flow, Inc. Dba Control Flow Inc (USA) |
NSN 3020-00-274-6470 is a Gear,internal, manufactured by Control Flow, Inc. Dba Control Flow Inc, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-274-6470 has 18 cross-referenced part numbers: D1661-1 (Control Flow, Inc. Dba Control Flow Inc), N8350PC18 (Control Flow, Inc. Dba Control Flow Inc), D1661 (Control Flow, Inc. Dba Control Flow Inc), N12262APC18 (Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division), N8352ALTAPC18 (Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division) and 13 more.
There is 1 known substitute for 3020-00-274-6470: 5340-01-283-7270. Verify interchangeability with system specifications before substitution.
Key specifications for D1661: Mounting Hole Nominal Thread Size: 0.5000 INCHES AXIALLY THROUGH FLANGE IN; Mounting Hole Nominal Diameter: 0.6250 INCHES AXIALLY THROUGH FLANGE IN; Hardness Rating: 27.0 ROCKWELL C MINIMUM AND 29.0 ROCKWELL C MAXIMUM OVERALL; Attachment Method: MOUNTING HOLE. 20 total characteristics are documented in the Federal Logistics Information System.