The Clamp Block,line,hy, cataloged under National Stock Number 1650-01-170-1210, 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. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Clamp Block,line,hy |
| FSC / FSG | 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components (FSG 16) |
| Manufacturers | The Boeing Company (CAGE 8V613) |
| Parameter | Value |
|---|---|
| NSN | 1650-01-170-1210 |
| Primary Part Number | 7-311830071 |
| Item Name | Clamp Block,line,hy |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 7-311830071 | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| TA30500099 | 3/2 Design control — primary reference U.S. Government activity |
| 7-311830071 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| 10195-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1650-01-170-1210 is a Clamp Block,line,hy, manufactured by The Boeing Company, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-170-1210 has 1 manufacturer part number on file: 7-311830071 (The Boeing Company).
1 possible match (shared part number, not a government interchangeability claim): 5342-01-615-2376. Verify interchangeability with system specifications before substitution.
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.