The Ring,piston, cataloged under National Stock Number 3040-01-717-6487, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Aerocontrolex Group, Inc. Div Talley Actuators. Government technical data includes 8 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 | 3040-01-717-6487 |
| Primary Part Number | 657121 |
| Item Name | Ring,piston |
| FSC / FSG | 3040 / 30 — No Item Name Available |
| Manufacturer | Aerocontrolex Group, Inc. Div Talley Actuators |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING OVERALL |
| Surface Treatment Document and Classification | MIL-N-26074 CLASS I MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Standard Bore Diameter | 3.006 INCHES IN |
| Cross-Sectional Shape Style | CONVEX FACE |
| Ring Style | CONCENTRIC |
| Radial Wall Thickness | 0.50 INCHES NOMINAL IN |
| Joint Style | VERTICAL/DIAGONAL JOINT |
| Surface Treatment | NICKEL OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 657121 PRIMARY | Aerocontrolex Group, Inc. Div Talley Actuators (USA) |
NSN 3040-01-717-6487 is a Ring,piston, manufactured by Aerocontrolex Group, Inc. Div Talley Actuators, classified under FSC 3040 (No Item Name Available). Status: active.
NSN 3040-01-717-6487 has 1 cross-referenced part number: 657121 (Aerocontrolex Group, Inc. Div Talley Actuators).
There is 1 known substitute for 3040-01-717-6487: 1005-01-166-1950. Verify interchangeability with system specifications before substitution.
Key specifications for 657121: Material: STEEL CORROSION RESISTING OVERALL; Surface Treatment Document and Classification: MIL-N-26074 CLASS I MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Special Features: INSIDE DIAMETER NOMINAL 2.872 INCHES IN; Standard Bore Diameter: 3.006 INCHES IN. 12 total characteristics are documented in the Federal Logistics Information System.