The Piston,linear Actuating Cylinder, cataloged under National Stock Number 3040-01-503-7928, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-503-7928 |
| Primary Part Number | 596-7410400-3 |
| Item Name | Piston,linear Actuating Cylinder |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Outside Diameter | 7.969 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 596-7410400-3 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 7410400 | D/9 Drawing number reference only Naval Sea Systems Command |
| B434-5500-3 | 5/2 Secondary reference U.S. Government activity |
NSN 3040-01-503-7928 is a Piston,linear Actuating Cylinder, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-503-7928 has 1 manufacturer part number on file: 596-7410400-3 (Naval Sea Systems Command).
Key specifications for 596-7410400-3: Outside Diameter: 7.969 INCHES NOMINAL IN; Overall Length: 10.377 INCHES NOMINAL IN; Special Features: NEXT HIGHER ASSEMBLE: EXTERNAL HANDLING COMPENSATOR ASSEMBLE. MATERIAL BREAK DOWN: HEAD PISTION; QQ-S-766, CLASS 316L, CONDITION ANNEALED, FINISH 1, CYLINDER OUTER; QQ-S-766, CLASS 316L, CONDITION ANNEALED, FINISH 28, BAR; QQ-S-763, CLASS 316L, CONDITION ANNEALED, FORM-BAR, FINISH-A, CYLINDER INNER; QQ-S-766, CLASS 316L, CONDITION ANNEALED, FINISH 28, GUIDE; DELRIN AF DE-588, RIVET QQ-N-281.; Part Name Assigned by Controlling Agency: PISTON. 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.