The Head,linear Actuating Cylinder, cataloged under National Stock Number 3040-01-042-9245, 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 | 3040-01-042-9245 |
| Primary Part Number | 12007871 |
| Item Name | Head,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 | 4.750 INCHES MAXIMUM IN |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12007871 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 3040-01-042-9245 is a Head,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 3040-01-042-9245 has 1 manufacturer part number on file: 12007871 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 12007871: Outside Diameter: 4.750 INCHES MAXIMUM IN; Overall Length: 6.812 INCHES MAXIMUM IN; Special Features: FINISH:BLACK OXIDE;HDNS RTG-30.0 MIN/35.0 MAX ROCKWELL C,3.156 IN.MAJOR BODY LG,8/0.3440 IN.DIA X 0.500 IN.DEEP HOLESEQUALLY SPACED ON MAJOR BODY DIA 2.125 IN.FR SEAOND END,1.125-12 IN.UNF-2A EXTERNAL THDS 0.760 IN.LG FIRST STEP FIRST END,1.000 IN.DIA BY 0.190 IN.W,THD RELIEVE SECOND STEP 0.760 IN.FR FIRST END,1.187 IN.DIA BY 1.800 IN.LG THIRD STEP 0.950 IN.FR FIRST END,1.375-8 IN.BUTT-3 THD 0.816 IN.LG THIRD STEP 1.746 IN.FR FIRST END,1.183 IN.DIA BY 0.364 IN.W;W/0.190 IN.RADIUS THD RELIEVE FOURTH STEP 2.562 IN.FR FIRST END,1.500 IN.DIA BY 0.730 IN.LG,FIFTH STEP 2.926 IN.FR FIRST END,1.500 IN.DIA BY 0.190 IN.DEEP BY 0.190 IN.RADIUS EXTERNAL FACE GROOVE LOCATED MAJOR BODY FACE END OF FIFTH STEP 3.656 IN.FR FIRST END,4.3125-8-NBUTT-3 INTERNAL THD 1.250 IN.LG A; 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.
NSN 3040-01-042-9245 has DEMIL Code C. Demilitarization may be required before disposal or transfer to non-military entities.
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.