The Shaft,straight, cataloged under National Stock Number 3040-00-077-1245, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is L3harris Technologies, Inc. Div Space and Airborne Systems. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-077-1245 |
| Primary Part Number | 51858 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — No Item Name Available |
| Manufacturer | L3harris Technologies, Inc. Div Space and Airborne Systems |
| Status | ACTIVE |
| Material Document and Classification | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE |
| Material | STEEL COMP 303 |
| End Similarity | NOT IDENTICAL |
| First End Groove Width | 0.0290 INCHES NOMINAL IN |
| Surface Finish | 32.0 MICROINCHES |
| First End Groove Diameter | 0.2310 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED AND FLATTED |
| First End Diameter | 0.2500 INCHES NOMINAL IN |
| First End Distance From End to Groove | 0.538 INCHES NOMINAL IN |
| Second End Flat Length | 0.500 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 1.187 INCHES NOMINAL IN |
| Second End Diameter | 0.2500 INCHES NOMINAL IN |
| Second End Groove Width | 0.0290 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED |
| Second End Groove Diameter | 0.2310 INCHES NOMINAL IN |
| Second End Flat Depth | 0.0150 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 51858 PRIMARY | L3harris Technologies, Inc. Div Space and Airborne Systems (USA) |
NSN 3040-00-077-1245 is a Shaft,straight, manufactured by L3harris Technologies, Inc. Div Space and Airborne Systems, classified under FSC 3040 (No Item Name Available). Status: active.
NSN 3040-00-077-1245 has 1 cross-referenced part number: 51858 (L3harris Technologies, Inc. Div Space and Airborne Systems).
There is 1 known substitute for 3040-00-077-1245: 2940-01-282-5177. Verify interchangeability with system specifications before substitution.
Key specifications for 51858: Special Features: SECOND END HAS ADDITIONAL FLAT,IDENTICAL TO FIRST FLAT,90 DEGREES APART; Material Document and Classification: QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE; Material: STEEL COMP 303; End Similarity: NOT IDENTICAL. 18 total characteristics are documented in the Federal Logistics Information System.