NSN 1650-01-164-9049 · NIIN 011649049 · Part number L5871120-001
The Boeing Company Div Legacy Am&m · FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components · FSG 16 — Aircraft Components and Accessories · CAGE 43999
Government record, cited
NSN 1650-01-164-9049 — this item is cataloged by the U.S. Government under National Stock Number 1650-01-164-9049. Manufacturer of record part number: L5871120-001.
Also searched as1650-01-164-9049 ·
1650011649049 ·
NIIN 011649049 ·
01-164-9049 ·
FSC 1650 Aircraft Hydraulic, Vacuum, and De-icing System Components · CAGE 43999 · L5871120-001
Manufacturer of record: The Boeing Company Div Legacy Am&m
Identification
NSN: 1650-01-164-9049
NIIN: 011649049
FSC: 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: L5871120-001
Manufacturer: The Boeing Company Div Legacy Am&m
General Description
The Spring Assembly,by-Pass Valve, cataloged under National Stock Number 1650-01-164-9049, 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 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1650-01-164-9049
Primary Part Number
L5871120-001
Item Name
Spring Assembly,by-Pass Valve
FSC / FSG
1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components
Other items in FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1650-00-000-0127
1650-00-000-0127 · Item name not on file
1650-00-000-0128
1650-00-000-0128 · Item name not on file
1650-00-000-0130
1650-00-000-0130 · Item name not on file
1650-00-000-0131
ROD,PISTON,LINEAR ACTUATING CYLI
1650-00-000-0151
SWIVEL JOINT HYDRAU
1650-00-000-0152
SWIVEL JOINT,HYDRAULIC,AIRCRAFT
1650-00-001-1732
SPACER YOKE,ADJUST
1650-00-001-1734
1650-00-001-1734 · Item name not on file
Frequently Asked Questions
What is NSN 1650-01-164-9049?
NSN 1650-01-164-9049 is a Spring Assembly,by-Pass Valve, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
What part numbers are listed for NSN 1650-01-164-9049?
NSN 1650-01-164-9049 has 1 manufacturer part number on file: L5871120-001 (The Boeing Company Div Legacy Am&m).
What are the specifications of L5871120-001?
Key specifications for L5871120-001: General Characteristics Item Description: LD122-0003-0104 PIN; L5871104-003 SPRING; L5871103-003 SPRING; L5871079-003 NUT; L58711078-003 RETAINER; L5871072-005 GUIDE; End Item Identification: AIRCRAFT B-1B. 1 specification is documented in the U.S. Government catalog.
Is NSN 1650-01-164-9049 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.