The Actuator,hydraulic-Pneumatic,lin, cataloged under National Stock Number 4810-01-254-6631, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Swagelok Co. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-254-6631 |
| Primary Part Number | MS-133-SR |
| Item Name | Actuator,hydraulic-Pneumatic,lin |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Pressure Rating | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Compressed Length | 7.875 INCHES NOMINAL IN |
| Extended Length | 7.875 INCHES NOMINAL IN |
| Design Characteristics | DOUBLE ACTING SINGLE CYLINDER |
| Integral Valve Operation Method | PNEUMATIC |
| Material | ALUMINUM ALLOY BODY |
| 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 |
|---|---|
| MS-133-SR PRIMARY | Swagelok Co (USA) |
| Reference | Meaning |
|---|---|
| MS-133-SR | 5/9 Secondary reference Whitey Co |
NSN 4810-01-254-6631 is a Actuator,hydraulic-Pneumatic,lin, manufactured by Swagelok Co, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-254-6631 has 1 manufacturer part number on file: MS-133-SR (Swagelok Co).
Key specifications for MS-133-SR: Overall Height: 2.188 INCHES NOMINAL IN; Pressure Rating: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Compressed Length: 7.875 INCHES NOMINAL IN; Extended Length: 7.875 INCHES NOMINAL IN. 6 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 4810-01-254-6631 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.