The Gear,helical, cataloged under National Stock Number 3020-00-537-7663, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-537-7663 |
| Primary Part Number | SM-B-157210 |
| 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 |
| Pressure Angle | 14.5000 DEGREES |
| Body Recess Nominal Depth | 0.188 INCHES SECOND END IN |
| Tooth Direction | RIGHT |
| Bore Style | PLAIN BOTH ENDS |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| Hub Nominal Diameter | 0.625 INCHES FIRST END IN |
| Body Style | WEBBED, OFFSET, SOLID |
| Teeth Quantity | 35 |
| Bore Nominal Diameter | 0.375 INCHES BOTH ENDS IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.313 INCHES FIRST END IN |
| Pitch Diameter | 1.4560 INCHES MINIMUM AND 1.4580 INCHES MAXIMUM IN |
| Hub Style Designator | PLAIN FIRST END |
| Surface Treatment | PHOSPHATE OVERALL |
| Teeth Type | SINGLE HELIX |
| Helix Angle | 45.0000 DEGREES |
| Nominal Outside Diameter | 1.5155 INCHES IN |
| Material | STEEL COMP 1030 OVERALL |
| Style Designator | PROTRUDING HUB, RECESSED BODY |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Face Nominal Width | 0.313 INCHES IN |
| Tooth Form | STANDARD |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 52510 | Kleinschmidt Inc (USA) |
| SM-B-157210 PRIMARY | Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA) |
NSN 3020-00-537-7663 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 3020-00-537-7663 has 2 cross-referenced part numbers: 52510 (Kleinschmidt Inc), SM-B-157210 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).
There are 5 known substitutes for 3020-00-537-7663: 3455-00-224-3656, 9540-00-402-0373, 5310-00-774-4173 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for SM-B-157210: Pressure Angle: 14.5000 DEGREES; Body Recess Nominal Depth: 0.188 INCHES SECOND END IN; Tooth Direction: RIGHT; Bore Style: PLAIN BOTH ENDS. 21 total characteristics are documented in the Federal Logistics Information System.