The Piston,linear Actuating Cylinder, cataloged under National Stock Number 3040-00-087-2838, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-087-2838 |
| Primary Part Number | 8433489 |
| Item Name | Piston,linear Actuating Cylinder |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Outside Diameter | 2.496 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 |
|---|---|
| 8433489 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 3040-00-087-2838 is a Piston,linear Actuating Cylinder, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-087-2838 has 1 manufacturer part number on file: 8433489 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 8433489: Outside Diameter: 2.496 INCHES NOMINAL IN; Special Features: STEEL 1019-1025, CADMIUM-PLATED; 50KSI YIELD POINT; 1IN. THK; 1.001IN. BORE DIA; EXTERNAL RING GROOVE 0.281IN. W X 2.129IN. DIA 0.090IN. FROM FACE; INTERNAL RING GROOVE 0.188IN. W X 1.240IN. DIA 0.120IN. FROM FACE; FIRST COUNTERBORE 0.540IN. DEEP X 1.900IN. DIA FROM 2ND END; 2ND COUNTERBORE 0.420IN. DEEP X 2.250IN. DIA FROM 2ND END; 2ND END COUNTERSINK 14 DEG TAPER TO0.060IN. WALL THK; 5 DEG TAPER ON EXTERNAL AND INTERNAL RING WALLS; 40 AA MICROINCH FINISH ON RING GROOVES IN; Material: STEEL. 2 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.