The Piston,linear Actuating Cylinder, cataloged under National Stock Number 3040-00-345-3869, 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. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-345-3869 |
| Primary Part Number | 8407779 |
| 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 |
| 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 |
|---|---|
| 8407779 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
| Reference | Meaning |
|---|---|
| 1015-345-3869 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 3040-00-345-3869 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 3040-00-345-3869 has 1 manufacturer part number on file: 8407779 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 8407779: Special Features: STEEL 1045;BRINELL-HULTGREN 207.0-209.0;1.720 DIA REDUCED TO 1.500-12UNF-3A 1.156 LG;FIRST SHOULDER 2.750 FROM END FACE UNDERCUT 0.338 DEEP TO 0.090 RADIUS ON 2.000 DIA;3.249 SHOULDER DIA W/63AA FINISH;SHOULDER EXTENDED TO 4.180 DIA 0.125 LG REDUCED TO 4.125 DIA 0.250 LG;REDUCED AT 60 DEG ANGLE TO 1.750 DIA THEN EXTENDED AT 60 DEG ANGLE TO 4.125 DIA 0.250 LG THEN TO 4.180 DIA FOR 0.125 DIA;REDUCED TO 3.248 DIAFOR 0.719 LG THEN TO 1.500-12UNF-3A X 1.593 LG;9.531 O/A LG;FIRST END 0.625-11UNC-2B 1.125 DEEP COUNTERSUNK 0.750 DIA X 60 DEG COUNTERBORED 0.125 DEEP X0.938 DIA;SECOND END FLUID PASSAGE 0.250 DIA X 4.125 LG ON C/L TO 0.250 HOLE;0.125-27NPT 0.500 DEEP 0.281 FROM END;COUNTERBORED 0.625 DIA 0.094 DEEP;GASKET 19200-5006224 SWAGED IN HOLE 0.721DIA 0.187 DEEP;0.250-28UNF-2B X 0.50 A. 0 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 3040-00-345-3869 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.