The Head,linear Actuating Cylinder, cataloged under National Stock Number 1650-01-237-6001, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is Tactair Fluid Controls Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-237-6001 |
| Primary Part Number | 4010273-1 |
| Item Name | Head,linear Actuating Cylinder |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Tactair Fluid Controls Inc |
| Status | ACTIVE |
| Outside Diameter | 3.630 INCHES MAXIMUM IN |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 4010273-1 | Heroux-Devtek Inc (CAN) |
| 4010273-1 | Machine Specialties, Llc (USA) |
| 4010273-1 | Cliffdale Manufacturing Llc (USA) |
| 4010273-1 | Cm Manufacturing Inc Dba Cm Manufacturing Inc (USA) |
| 4010273-1 | Goodrich Corporation (USA) |
| 4010273-1 | Hydromach Inc Dba Hydromach Inc (USA) |
| 4010273-1 PRIMARY | Tactair Fluid Controls Inc (USA) |
| 4010273-1 | Johnson Manufacturing, Inc. Dba Johnson Manufacturing (USA) |
| 4010273-1 | Cummins Aerospace, Llc Dba Cummins Aerospace Llc (USA) |
| 4010273-1 | Alpine Industries, Llc (USA) |
| Reference | Meaning |
|---|---|
| 4010273-1 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 4010273-1 | 5/2 Secondary reference U.S. Government activity |
NSN 1650-01-237-6001 is a Head,linear Actuating Cylinder, manufactured by Tactair Fluid Controls Inc, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-237-6001 has 10 manufacturer part numbers on file: 4010273-1 (Heroux-Devtek Inc), 4010273-1 (Machine Specialties, Llc), 4010273-1 (Cliffdale Manufacturing Llc), 4010273-1 (Cm Manufacturing Inc Dba Cm Manufacturing Inc), 4010273-1 (Goodrich Corporation) and 5 more.
Key specifications for 4010273-1: Outside Diameter: 3.630 INCHES MAXIMUM IN; Criticality Code Justification: AGAV; Overall Length: 5.565 INCHES MAXIMUM IN; Special Features: PART OF MLG SKI L/H AND R/H;2.200 IN.FROM CENTER LINE TO PORT OPENING;3.125 IN.ID 2-LANDS;3.250-16 IN.UN-3BTHREAD;CLEVIS TYPE END 1.405 IN.W BETWEEN FORKS;0.8750IN.DIA HLE THRU FOR MOUNTING;0.310 IN.THK ON FORKS;HEAT TREAT TO 180,000-200,000 PSI PER MIL-H-6875 AND WDPS 2.010-4;FLUOBORATE CADMIUM PLATE ALL EXTERNAL AND INTERNAL SURFACES EXCEPT AS NOTED PER QQ-P-416 TY I,CL 2 AND WDPS 7.01-1;MATERIAL 4140 FORGE;FSC APPLICATION DATA:AIRCRAFT HYDRAULICS,VACUUM,DEICING SYSTEMS IN. 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.