The Cylinder Assembly,actuating,line, cataloged under National Stock Number 3040-01-657-8813, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Svf Flow Controls, Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-657-8813 |
| Primary Part Number | A2D-20-B |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Svf Flow Controls, Inc |
| Status | ACTIVE |
| Extended Length | 5.790 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3040-01-657-8813 is a Cylinder Assembly,actuating,line, manufactured by Svf Flow Controls, Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-657-8813 has 2 manufacturer part numbers on file: A2D-20-B (Svf Flow Controls, Inc), A2D-20-B (Gws Supply Inc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-703-1752. Verify interchangeability with system specifications before substitution.
Key specifications for A2D-20-B: Overall Height: 3.620 INCHES NOMINAL IN; Extended Length: 5.790 INCHES NOMINAL IN; Overall Width: 2.880 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: CYL,AIR,ACTR,HALOTRON SPLY. 1 specification is 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.