The Cylinder,actuating,linear, cataloged under National Stock Number 3040-01-488-6079, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-488-6079 |
| Primary Part Number | 721-7069909-34 |
| Item Name | Cylinder,actuating,linear |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Overall Diameter | 5.366 INCHES MINIMUM AND 5.367 INCHES MAXIMUM IN |
| Bore Diameter | 4.741 INCHES MINIMUM AND 4.742 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 721-7069909-34 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H861-1505-34 | 5/2 Secondary reference U.S. Government activity |
| 7069909 | D/9 Drawing number reference only Naval Sea Systems Command |
| H861-1505 | D/9 Drawing number reference only U.S. Government activity |
NSN 3040-01-488-6079 is a Cylinder,actuating,linear, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-488-6079 has 1 manufacturer part number on file: 721-7069909-34 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-488-6097. Verify interchangeability with system specifications before substitution.
Key specifications for 721-7069909-34: Overall Diameter: 5.366 INCHES MINIMUM AND 5.367 INCHES MAXIMUM IN; Overall Length: 9.432 INCHES MINIMUM AND 9.437 INCHES MAXIMUM IN; Special Features: MATERIAL IS ALUMINUM BRONZE ASTM B150, ALLOY C63200. PART OF MISSILE TUBE MUZZLE HATCH HYDRAULIC ROTARY ACTUATOR ASSEMBLY; Part Name Assigned by Controlling Agency: SLEEVE, CYLINDER, LARGE. 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 3040-01-488-6079 has DEMIL Code Q. 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.