The Gear,spur, cataloged under National Stock Number 3020-00-174-5577, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Ambac International Corporation Div Ambac International. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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 | 3020-00-174-5577 |
| Primary Part Number | 9402-3 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Ambac International Corporation Div Ambac International |
| Status | ACTIVE |
| Pitch Diameter | 4.4940 INCHES NOMINAL IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.281 INCHES FIRST END IN |
| Bore Nominal Diameter | 1.562 INCHES BOTH ENDS IN |
| First Step Nominal Diameter | 3.249 INCHES FIRST END IN |
| Counterbore Nominal Depth | 1.875 INCHES BOTH ENDS IN |
| Bolt Hole Circle Nominal Diameter | 2.125 INCHES AND 3.625 INCHES AXIALLY THROUGH BODY SECOND END IN |
| End Nominal Diameter | 2.188 INCHES SECOND END IN |
| Teeth Quantity | 216 |
| Hub Style Designator | 1 STEP SECOND END |
| Nominal Outside Diameter | 4.536 INCHES IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.094 INCHES IN |
| First Step Nominal Length | 0.031 INCHES FIRST END IN |
| Hub Style Designator | PLAIN FIRST END |
| Mounting Hole Type and Quantity | 6 THREADED AND 4 THREADED AXIALLY THROUGH BODY SECOND END |
| End Nominal Length | 0.031 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.063 INCHES SECOND END IN |
| Counterbore Nominal Diameter | 1.875 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 2.188 INCHES FIRST END IN |
| Nominal Overall Length | 0.438 INCHES IN |
| Mounting Hole Nominal Thread Size | 0.112 INCHES AXIALLY THROUGH BODY SECOND END IN |
| Pressure Angle | 14.5000 DEGREES |
| Bore Style | W/COUNTERBORE BOTH ENDS |
| Tooth Form | STANDARD |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) AXIALLY THROUGH BODY SECOND END |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | MIL-B-16540,GRADE A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | COPPER ALLOY 903 OVERALL |
| Body Style | SPOKED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 9402-3 PRIMARY | Ambac International Corporation Div Ambac International (USA) |
NSN 3020-00-174-5577 is a Gear,spur, manufactured by Ambac International Corporation Div Ambac International, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-174-5577 has 1 cross-referenced part number: 9402-3 (Ambac International Corporation Div Ambac International).
There are 6 known substitutes for 3020-00-174-5577: 5305-00-312-7870, 4820-00-359-5676, 5915-00-503-8679 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 9402-3: Pitch Diameter: 4.4940 INCHES NOMINAL IN; Nominal Distance Between Body Face and Protruding Hub End: 0.281 INCHES FIRST END IN; Bore Nominal Diameter: 1.562 INCHES BOTH ENDS IN; First Step Nominal Diameter: 3.249 INCHES FIRST END IN. 29 total characteristics are documented in the Federal Logistics Information System.