The Gear,spur, cataloged under National Stock Number 3020-00-846-3180, 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 Dba Northrop Grumman Systems Corp. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3020-00-846-3180 |
| Primary Part Number | 328C101H21 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | CANCELLED |
| Body Style | PLAIN, SOLID |
| Pitch Diameter | 0.8320 INCHES MINIMUM AND 0.8330 INCHES MAXIMUM IN |
| Material | STEEL COMP 303 OVERALL |
| Bore Nominal Diameter | 0.250 INCHES BOTH ENDS IN |
| Bore Style | PLAIN BOTH ENDS |
| Furnished Items and Quantity | 1 SETSCREW |
| Mounting Hole Nominal Diameter | 0.086 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Nominal Outside Diameter | 0.874 INCHES IN |
| Style Designator | PROTRUDING HUB |
| Nominal Distance Between Body Face and Protruding Hub End | 0.250 INCHES FIRST END IN |
| Attachment Method | MOUNTING HOLE |
| Mounting Hole Nominal Thread Size | 0.138 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Surface Treatment Document and Classification | QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END |
| Mounting Hole Thread Quantity Per Inch | 32 TRANSVERSELY THROUGH HUB FIRST END |
| Hub Style Designator | PINNED FIRST END |
| Mounting Hole Type and Quantity | 1 PLAIN AND 1 THREADED TRANSVERSELY THROUGH HUB FIRST END |
| Nominal Overall Length | 0.437 INCHES IN |
| Hub Nominal Diameter | 0.500 INCHES FIRST END IN |
| Backlash Designation | GRADE C |
| Tooth Form | STANDARD |
| Material Document and Classification | QQ-S-764,TYPE 303 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment | PASSIVATE OVERALL |
| Face Nominal Width | 0.187 INCHES IN |
| Precision Classification | QUALITY NUMBER 10 |
| Pressure Angle | 20.0000 DEGREES |
| Teeth Quantity | 40 |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| G7-40Q10 | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| 328C101H21 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 328C101H21 | Westinghouse Electric Corp (USA) |
| G7-40 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| 25889 | Unisys Corp Defense Systems C S D Field Engineering (USA) |
| GX16005-40 | Unisys Corp Defense Systems C S D Field Engineering (USA) |
NSN 3020-00-846-3180 is a Gear,spur, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 3020 (No Item Name Available). Status: cancelled.
NSN 3020-00-846-3180 has 6 cross-referenced part numbers: G7-40Q10 (Roller Bearing Co of America, Inc Div Pic Design), 328C101H21 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 328C101H21 (Westinghouse Electric Corp), G7-40 (Roller Bearing Co of America, Inc Div Pic Design), 25889 (Unisys Corp Defense Systems C S D Field Engineering) and 1 more.
There are 5 known substitutes for 3020-00-846-3180: 5130-00-542-3276, 4940-01-117-9058, 5325-01-421-6237 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 328C101H21: Body Style: PLAIN, SOLID; Pitch Diameter: 0.8320 INCHES MINIMUM AND 0.8330 INCHES MAXIMUM IN; Material: STEEL COMP 303 OVERALL; Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN. 28 total characteristics are documented in the Federal Logistics Information System.
NSN 3020-00-846-3180 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.