The Gear,spur, cataloged under National Stock Number 3020-00-076-0457, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Del Mar Avionics, Llc. Government technical data includes 16 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-076-0457 |
| Primary Part Number | 7278 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Del Mar Avionics, Llc |
| Status | ACTIVE |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 4.160 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Pressure Angle | 20.0000 DEGREES |
| Nominal Overall Length | 5.000 INCHES IN |
| Body Style | PLAIN, SOLID |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.5000 INCHES NOMINAL IN |
| Nominal Outside Diameter | 1.625 INCHES IN |
| Material | STEEL COMP E4340 OVERALL |
| Spline Quantity | 15 FIRST END |
| Hardness Rating | 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Face Nominal Width | 0.840 INCHES IN |
| Bore Nominal Diameter | 0.390 INCHES BOTH ENDS IN |
| Teeth Quantity | 24 |
| Spline Pitch Diameter | 0.9370 INCHES NOMINAL FIRST END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 7278 | Del Mar Avionics, Llc (USA) |
NSN 3020-00-076-0457 is a Gear,spur, manufactured by Del Mar Avionics, Llc, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-076-0457 has 1 cross-referenced part number: 7278 (Del Mar Avionics, Llc).
There are 7 known substitutes for 3020-00-076-0457: 5910-00-128-3289, 5307-00-447-3524, 2815-00-554-2216 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 7278: Bore Style: PLAIN BOTH ENDS; Nominal Distance Between Body Face and Protruding Hub End: 4.160 INCHES FIRST END IN; Style Designator: PROTRUDING HUB; Pressure Angle: 20.0000 DEGREES. 16 total characteristics are documented in the Federal Logistics Information System.