The Gear,helical, cataloged under National Stock Number 3020-00-203-1531, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-203-1531 |
| Primary Part Number | SCB187825 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir |
| Status | ACTIVE |
| Attachment Method | MOUNTING HOLE |
| Surface Treatment | PHOSPHATE OVERALL |
| Hardness Rating | 60.0 ROCKWELL C NOMINAL TEETH |
| Nominal Outside Diameter | 0.9380 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Pitch Diameter | 0.8750 INCHES NOMINAL IN |
| Face Nominal Width | 0.344 INCHES IN |
| Material | STEEL OVERALL |
| Teeth Quantity | 21 |
| Style Designator | PROTRUDING HUB |
| Teeth Type | SINGLE HELIX |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.219 INCHES FIRST END IN |
| Bore Nominal Diameter | 0.3750 INCHES BOTH ENDS IN |
| Mounting Hole Type and Quantity | 2 PLAIN TRANSVERSELY THROUGH HUB FIRST END |
| Hub Nominal Diameter | 0.625 INCHES FIRST END IN |
| Tooth Direction | RIGHT |
| Hub Style Designator | PLAIN FIRST END |
| Helix Angle | 45.0000 DEGREES |
| Mounting Hole Nominal Diameter | 0.088 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Body Style | PLAIN, SOLID |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| SCB187825 PRIMARY | Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA) |
| 3020002031531 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 55166 | Kleinschmidt Inc (USA) |
NSN 3020-00-203-1531 is a Gear,helical, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-203-1531 has 3 cross-referenced part numbers: SCB187825 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 3020002031531 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 55166 (Kleinschmidt Inc).
There are 2 known substitutes for 3020-00-203-1531: 5940-00-578-9169, 5330-01-338-6702. Verify interchangeability with system specifications before substitution.
Key specifications for SCB187825: Attachment Method: MOUNTING HOLE; Surface Treatment: PHOSPHATE OVERALL; Hardness Rating: 60.0 ROCKWELL C NOMINAL TEETH; Nominal Outside Diameter: 0.9380 INCHES IN. 21 total characteristics are documented in the Federal Logistics Information System.