The Clamp Block,line,hydraulic, cataloged under National Stock Number 1650-01-170-1211, 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 The Boeing Company. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-170-1211 |
| Primary Part Number | 7-311830072 |
| Item Name | Clamp Block,line,hydraulic |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| General Characteristics Item Description | 1.500 IN. LG;1.180 IN. W;TWO HOLES O.220 IN. DIA. 0.310 IN. FROM ENDS WITH O.880 IN. APART MEASURED FROM CENTERLINE OF FIRST HOLE TO CENTERLINE OF SECOND HOLE;0.500 IN. THK IN |
| 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 |
|---|---|
| 7-311830072 | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| TA30500100 | 3/2 Design control — primary reference U.S. Government activity |
| 7-311830072 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 1650-01-170-1211 is a Clamp Block,line,hydraulic, manufactured by The Boeing Company, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-170-1211 has 1 manufacturer part number on file: 7-311830072 (The Boeing Company).
Key specifications for 7-311830072: General Characteristics Item Description: 1.500 IN. LG;1.180 IN. W;TWO HOLES O.220 IN. DIA. 0.310 IN. FROM ENDS WITH O.880 IN. APART MEASURED FROM CENTERLINE OF FIRST HOLE TO CENTERLINE OF SECOND HOLE;0.500 IN. THK IN. 1 specification is 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.