The Head,linear Actuating Cylinder, cataloged under National Stock Number 1650-00-327-0628, 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 Global Machine Works Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1650-00-327-0628 |
| Primary Part Number | 5-87123 |
| Item Name | Head,linear Actuating Cylinder |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Global Machine Works Inc |
| Status | ACTIVE |
| Outside Diameter | 6.360 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
|---|---|
| 5-87123 | Global Machine Works Inc (USA) |
| 5-87123 | Aerometals, Inc. (USA) |
| 5-87123 | Master Research & Manufacturing, Inc. Dba Master Research & Manufacturing Inc (USA) |
| 5-87123 | Keeley Aerospace, Ltd. Dba Keeley (USA) |
| 5-87123 | Beta Engineering, Inc. Dba Beta Engineering Inc (USA) |
| 5-87123 | Circor Aerospace, Inc. Div Circor (USA) |
| Reference | Meaning |
|---|---|
| 5-87123 | 5/2 Secondary reference U.S. Government activity |
| 5-87123 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1650-00-327-0628 is a Head,linear Actuating Cylinder, manufactured by Global Machine Works Inc, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-327-0628 has 6 manufacturer part numbers on file: 5-87123 (Global Machine Works Inc), 5-87123 (Aerometals, Inc.), 5-87123 (Master Research & Manufacturing, Inc. Dba Master Research & Manufacturing Inc), 5-87123 (Keeley Aerospace, Ltd. Dba Keeley), 5-87123 (Beta Engineering, Inc. Dba Beta Engineering Inc) and 1 more.
Key specifications for 5-87123: Outside Diameter: 6.360 INCHES NOMINAL IN; Overall Length: 9.290 INCHES NOMINAL IN; Special Features: 6-12UN-3B THREADS, ONE PORT PER AND10050-6; End Item Identification: AIRCRAFT, STRATOLIFTER C-135. 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.
NSN 1650-00-327-0628 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.