The Gear,spur, cataloged under National Stock Number 3020-00-274-6070, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Lear Siegler Inc Sherwood Div. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-274-6070 |
| Primary Part Number | H10288-3 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Lear Siegler Inc Sherwood Div |
| Status | ACTIVE |
| Body Style | PLAIN, SOLID |
| Attachment Method | MOUNTING HOLE |
| Material | STEEL COMP 3135 OVERALL |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Pitch Diameter | 2.3330 INCHES NOMINAL IN |
| Teeth Quantity | 28 |
| Hub Style Designator | PLAIN BOTH ENDS |
| Tooth Form | STANDARD |
| Hub Nominal Diameter | 1.125 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.250 INCHES SECOND END IN |
| Style Designator | PROTRUDING HUBS |
| Keyway Nominal Width | 0.187 INCHES BOTH ENDS IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.463 INCHES BOTH ENDS IN |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END |
| Nominal Outside Diameter | 2.500 INCHES IN |
| Face Nominal Width | 0.625 INCHES IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.750 INCHES FIRST END IN |
| Mounting Hole Type and Quantity | 2 THREADED TRANSVERSELY THROUGH HUB FIRST END |
| Pressure Angle | 20.0000 DEGREES |
| Hub Nominal Diameter | 1.643 INCHES FIRST END IN |
| Bore Nominal Diameter | 0.750 INCHES BOTH ENDS IN |
| Material Document and Classification | SAE 3135 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Nominal Thread Size | 0.312 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| H10288-3 | Lear Siegler Inc Sherwood Div (USA) |
| H8686PC3 | Lear Siegler Inc Sherwood Div (USA) |
| 82312S41-186PC3 | Naval Ship Systems Command (USA) |
| 4454 | Lear Siegler Inc Sherwood Div (USA) |
NSN 3020-00-274-6070 is a Gear,spur, manufactured by Lear Siegler Inc Sherwood Div, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-274-6070 has 4 cross-referenced part numbers: H10288-3 (Lear Siegler Inc Sherwood Div), H8686PC3 (Lear Siegler Inc Sherwood Div), 82312S41-186PC3 (Naval Ship Systems Command), 4454 (Lear Siegler Inc Sherwood Div).
There are 12 known substitutes for 3020-00-274-6070: 1620-00-024-6350, 6810-00-138-8414, 5315-00-198-5975 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for H10288-3: Body Style: PLAIN, SOLID; Attachment Method: MOUNTING HOLE; Material: STEEL COMP 3135 OVERALL; Bore Style: W/ KEYWAY BOTH ENDS. 23 total characteristics are documented in the Federal Logistics Information System.