The Gear,helical, cataloged under National Stock Number 3020-00-511-4443, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-511-4443 |
| Primary Part Number | SMB157209 |
| 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 |
| Teeth Quantity | 3535 |
| Pitch Diameter | 1.4560 INCHES MINIMUM AND 1.4560 INCHES MINIMUM AND 1.4580 INCHES MAXIMUM1.4580 INCHES MAXIMUM IN |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL50.0 ROCKWELL C MAXIMUM OVERALL |
| Body Style | WEBBED, OFFSET, SOLIDWEBBED, OFFSET, SOLID |
| Bore Nominal Diameter | 0.3750 INCHES BOTH ENDS0.3750 INCHES BOTH ENDS IN |
| Tooth Direction | LEFTLEFT |
| Hub Nominal Diameter | 0.625 INCHES FIRST END0.625 INCHES FIRST END IN |
| Face Nominal Width | 0.312 INCHES0.312 INCHES IN |
| Helix Angle | 45.0000 DEGREES45.0000 DEGREES |
| Pressure Angle | 14.5000 DEGREES14.5000 DEGREES |
| Nominal Distance Between Body Face and Protruding Hub End | 0.313 INCHES FIRST END0.313 INCHES FIRST END IN |
| Nominal Overall Length | 0.625 INCHES0.625 INCHES IN |
| Attachment Method | MOUNTING HOLEMOUNTING HOLE |
| Style Designator | PROTRUDING HUB, RECESSED BODYPROTRUDING HUB, RECESSED BODY |
| Mounting Hole Type and Quantity | 2 PLAIN TRANSVERSELY THROUGH HUB FIRST END2 PLAIN TRANSVERSELY THROUGH HUB FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3020-00-511-4443 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 3020-00-511-4443 has 2 cross-referenced part numbers: SMB157209 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 52509 (Kleinschmidt Inc).
There are 7 known substitutes for 3020-00-511-4443: 5330-00-178-1479, 3455-00-224-3655, 9540-00-528-8759 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for SMB157209: Teeth Quantity: 3535; Pitch Diameter: 1.4560 INCHES MINIMUM AND 1.4560 INCHES MINIMUM AND 1.4580 INCHES MAXIMUM1.4580 INCHES MAXIMUM IN; Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL50.0 ROCKWELL C MAXIMUM OVERALL; Body Style: WEBBED, OFFSET, SOLIDWEBBED, OFFSET, SOLID. 15 total characteristics are documented in the Federal Logistics Information System.