The Shaft,straight, cataloged under National Stock Number 3040-00-591-0874, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Loar Manufacturing Corp. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-591-0874 |
| Primary Part Number | 55862 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Loar Manufacturing Corp |
| Status | ACTIVE |
| First End Diameter | 0.1250 INCHES NOMINAL IN |
| Second End Diameter | 0.1250 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Groove Diameter | 0.0960 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.0470 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.0938 INCHES NOMINAL IN |
| Second End Style | TWO CIRCULAR GROOVES |
| Material | STEEL |
| Second End Distance Between First and Second Groove Centers | 0.2030 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 55862 | Loar Manufacturing Corp (USA) |
| Reference | Meaning |
|---|---|
| SM-B-187213 | 5/9 Secondary reference Valcore Manufacturing Llc Dba Use CAGE Code 04ye2 for Cataloging |
| 55862 | 5/9 Secondary reference U.S. Government activity |
| SM-B-187213 | 5/9 Secondary reference Valcore Manufacturing Llc |
| SM-B-187213 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-591-0874 is a Shaft,straight, manufactured by Loar Manufacturing Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-591-0874 has 1 manufacturer part number on file: 55862 (Loar Manufacturing Corp).
1 possible match (shared part number, not a government interchangeability claim): 5910-00-852-2609. Verify interchangeability with system specifications before substitution.
Key specifications for 55862: First End Diameter: 0.1250 INCHES NOMINAL IN; Second End Diameter: 0.1250 INCHES NOMINAL IN; First End Style: PLAIN; Overall Length: 7.969 INCHES NOMINAL IN. 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.