The Gear,spur, cataloged under National Stock Number 3020-00-390-8070, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-390-8070 |
| Primary Part Number | 72004 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.438 INCHES BOTH ENDS IN |
| Hardness Rating | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Outside Diameter | 2.500 INCHES IN |
| Face Nominal Width | 0.188 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Hub Nominal Diameter | 0.750 INCHES BOTH ENDS IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Style Designator | PROTRUDING HUBS |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Teeth Quantity | 48 |
| Material | STEEL COMP 4340 OVERALL |
| Tooth Form | STANDARD |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Precision Classification | QUALITY NUMBER 10 |
| Nominal Distance From Bore Center to Keyway Bottom | 0.281 INCHES BOTH ENDS IN |
| Keyway Nominal Width | 0.125 INCHES BOTH ENDS IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.062 INCHES BOTH ENDS IN |
| Body Style | WEBBED, WITH LIGHTENING HOLES |
| Pitch Diameter | 2.4000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 72004 | Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA) |
| 72004 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| 72004 | Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA) |
| 3908070 | American Precision Gear Company Dba American Precision Gear Co Div Same (USA) |
NSN 3020-00-390-8070 is a Gear,spur, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-390-8070 has 4 cross-referenced part numbers: 72004 (Alliedsignal Inc Dba Allied-Signal Aerospace Co), 72004 (Honeywell International Inc. Div Aerospace - Torrance), 72004 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix), 3908070 (American Precision Gear Company Dba American Precision Gear Co Div Same).
There are 6 known substitutes for 3020-00-390-8070: 5133-00-189-9249, 5120-00-971-6809, 5360-01-046-1137 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 72004: Bore Nominal Diameter: 0.438 INCHES BOTH ENDS IN; Hardness Rating: 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL; Nominal Outside Diameter: 2.500 INCHES IN; Face Nominal Width: 0.188 INCHES IN. 19 total characteristics are documented in the Federal Logistics Information System.