The Cylinder Assembly,actuating,line, cataloged under National Stock Number 2530-01-166-6840, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track Components) of the Vehicular Equipment Components group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-166-6840 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Status | ACTIVE |
| Compressed Length | 4.500 INCHES NOMINAL IN |
| Piston Rod End Similarity | NOT IDENTICAL |
| Extended Length | 5.500 INCHES NOMINAL IN |
| Design Characteristics | SINGLE ACTING SINGLE CYLINDER |
| Overall Diameter | 2.750 INCHES NOMINAL IN |
| Second Piston Rod End Thread Class | 2B |
| Second Piston Rod End Style | INTERNAL THREADED |
| Second Piston Rod End Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| First Piston Rod End Style | UNABLE TO DECODE |
| Body Material | STEEL |
| Second Piston Rod End Thread Diameter | 0.750 INCHES NOMINAL IN |
| Second Piston Rod End Thread Quantity Per Inch | 10 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| CS-1901-2719 | 3/9 Design control — primary reference Dynex/rivett Inc. |
NSN 2530-01-166-6840 is a Cylinder Assembly,actuating,line, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
Key specifications for 2530-01-166-6840: Compressed Length: 4.500 INCHES NOMINAL IN; Piston Rod End Similarity: NOT IDENTICAL; Extended Length: 5.500 INCHES NOMINAL IN; Design Characteristics: SINGLE ACTING SINGLE CYLINDER. 12 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.