The Coupling Half,shaft, cataloged under National Stock Number 3010-01-207-2600, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-207-2600 |
| Primary Part Number | 172522-02 |
| Item Name | Coupling Half,shaft |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Body Style | MULTIPLE POSITIONING HOLES |
| Material Document and Classification | MIL-S-890 MIL SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 5.748 INCHES NOMINAL IN |
| Features Provided | KEYWAY AND COUNTERBORE |
| Bore Shape | TAPERED |
| Taper Largest Diameter | 1.3740 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 |
|---|---|
| SL-4712 PC88 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 172522-02 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| SL-4712 PC88 | 5/9 Secondary reference U.S. Government activity |
| SL-4712 | D/9 Drawing number reference only U.S. Government activity |
| 172522-B | 5/9 Secondary reference U.S. Government activity |
| 172522-02 | 3/9 Design control — primary reference U.S. Government activity |
NSN 3010-01-207-2600 is a Coupling Half,shaft, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-207-2600 has 2 manufacturer part numbers on file: SL-4712 PC88 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 172522-02 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for 172522-02: Body Style: MULTIPLE POSITIONING HOLES; Material Document and Classification: MIL-S-890 MIL SPEC SINGLE MATERIAL RESPONSE; Overall Length: 3.250 INCHES NOMINAL IN; Outside Diameter: 5.748 INCHES NOMINAL IN. 7 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.