The Coupling Half,shaft, cataloged under National Stock Number 3010-01-115-7612, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 8 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-115-7612 |
| Primary Part Number | 40597 |
| Item Name | Coupling Half,shaft |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Bore Length | 0.6250 INCHES NOMINAL IN |
| Body Style | MULTIPLE POSITIONING HOLES |
| Material Document and Classification | SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE |
| Outside Diameter | 3.500 INCHES NOMINAL IN |
| Features Provided | KEYWAY |
| Bore Shape | STRAIGHT |
| Bore Diameter | 0.5000 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
|---|---|
| 40597 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
NSN 3010-01-115-7612 is a Coupling Half,shaft, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-115-7612 has 1 manufacturer part number on file: 40597 (L3harris Technologies, Inc Div Space & Airborne Systems).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-494-6550, 5930-01-555-9180. Verify interchangeability with system specifications before substitution.
Key specifications for 40597: Bore Length: 0.6250 INCHES NOMINAL IN; Body Style: MULTIPLE POSITIONING HOLES; Material Document and Classification: SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE; Overall Length: 0.625 INCHES NOMINAL IN. 8 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.