The Rod,piston,linear Actuating Cyli, cataloged under National Stock Number 3040-01-608-7221, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-608-7221 |
| Item Name | Rod,piston,linear Actuating Cyli |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| End Connection Type | THREADED |
| Criticality Code Justification | ZZZY |
| Extra Long Reference Number | DS-B99977-03-8-09-11-RF-09-FF-F2-S-11 |
| Material | STEEL CORROSION RESISTING |
| Thread Size and Series/type Designator | 1/4 DIA UNIFIED NATIONAL COARSE (UNC) |
| Operation Method | HYDRAULIC CYLINDER |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| DS-B99977-03-8-09-11-RF-09-FF-F- | 3/1 Design control — primary reference Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| 157228 | 5/1 Secondary reference Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
NSN 3040-01-608-7221 is a Rod,piston,linear Actuating Cyli, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-608-7221: End Connection Type: THREADED; Criticality Code Justification: ZZZY; Extra Long Reference Number: DS-B99977-03-8-09-11-RF-09-FF-F2-S-11; Special Features: MATL IS CRES IAW ASTM A479,TY 316 W/0.250-20 2A THREADS A. 7 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.