The Cylinder Assembly,actuating,line, cataloged under National Stock Number 3040-01-174-4399, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Hoffman/new Yorker Inc. Government technical data includes 5 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-174-4399 |
| Primary Part Number | 26186-2 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Hoffman/new Yorker Inc |
| Status | ACTIVE |
| Design Characteristics | SINGLE ACTING SINGLE CYLINDER |
| Body Outside Diameter | 2.750 INCHES NOMINAL IN |
| First Piston Rod End Style | EXTERNAL THREADED |
| Integral Valve Operation Method | PNEUMATIC |
| Bore Diameter | 2.500 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 3040-01-174-4399 is a Cylinder Assembly,actuating,line, manufactured by Hoffman/new Yorker Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-174-4399 has 2 manufacturer part numbers on file: 26186-2 (Hoffman/new Yorker, Inc.), 26186-2 (Hoffman/new Yorker Inc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-463-2154. Verify interchangeability with system specifications before substitution.
Key specifications for 26186-2: Design Characteristics: SINGLE ACTING SINGLE CYLINDER; Body Outside Diameter: 2.750 INCHES NOMINAL IN; First Piston Rod End Style: EXTERNAL THREADED; End Item Identification: NEW YORK PRESSING MACHINERY CO. MODEL AA-42-SW. 5 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.