The Piston,linear Actuating Cylinder, cataloged under National Stock Number 3040-01-169-8737, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Cal-West Computer Supply. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-169-8737 |
| Primary Part Number | PT203263-1 |
| Item Name | Piston,linear Actuating Cylinder |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Cal-West Computer Supply |
| Status | ACTIVE |
| Outside Diameter | 4.500 INCHES NOMINAL IN |
| Ring Groove Quantity | 1 |
| 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 |
|---|---|
| PT203263-1 PRIMARY | Cal-West Computer Supply (USA) |
| Reference | Meaning |
|---|---|
| PT203263-1 | 5/9 Secondary reference U.S. Government activity |
| PT203263-1 | 5/9 Secondary reference Automotive Inc Fluid Power Systems Components Div Sub of United Technologies Corp |
| PT203263-1 | 5/9 Secondary reference Ambac International Corporation Div Ambac International |
NSN 3040-01-169-8737 is a Piston,linear Actuating Cylinder, manufactured by Cal-West Computer Supply, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-169-8737 has 1 manufacturer part number on file: PT203263-1 (Cal-West Computer Supply).
Key specifications for PT203263-1: Outside Diameter: 4.500 INCHES NOMINAL IN; Ring Groove Quantity: 1; Special Features: INCLUDES WEARING RING; End Item Identification: UNITED TECHNOLOGIES DIESEL SYSTEMS ACCUMULATOR MODEL ACC. 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.