The Retainer,check Valve, cataloged under National Stock Number 1650-01-164-5945, 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 Div Legacy Am&m. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-164-5945 |
| Primary Part Number | L5871093-003 |
| Item Name | Retainer,check Valve |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| FSC Application Data | AIRCRAFT HYDRAULIC SYSTEM |
| General Characteristics Item Description | ALUMINUM ALLOY QQ-A-225/6; 0.650 IN. LG; 0.420 IN. DIA; 1ST END HOLE DRILLED 0.200 IN. DIA; 0.100 IN. DEEP; END FLANGED 0.058 IN. WIDE TO GROOVE 0.207 IN. W; 0.310 IN. DIA; SECOND END 0.200 IN. DIA; 0.250 IN. LG; DRILLED HOLE IN END TAP 4-40 UNJC-3B IN. DIA TO DEPTH OF .375 IN. DEEP 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 |
|---|---|
| L5871093-003 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
NSN 1650-01-164-5945 is a Retainer,check Valve, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-164-5945 has 1 manufacturer part number on file: L5871093-003 (The Boeing Company Div Legacy Am&m).
Key specifications for L5871093-003: FSC Application Data: AIRCRAFT HYDRAULIC SYSTEM; General Characteristics Item Description: ALUMINUM ALLOY QQ-A-225/6; 0.650 IN. LG; 0.420 IN. DIA; 1ST END HOLE DRILLED 0.200 IN. DIA; 0.100 IN. DEEP; END FLANGED 0.058 IN. WIDE TO GROOVE 0.207 IN. W; 0.310 IN. DIA; SECOND END 0.200 IN. DIA; 0.250 IN. LG; DRILLED HOLE IN END TAP 4-40 UNJC-3B IN. DIA TO DEPTH OF .375 IN. DEEP IN; End Item Identification: AIRCRAFT B-1B. 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.