PartsTable
Technical Data Sheet
159-D-22 ✓ Verified by PartsTable
· HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The ELBOW,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, flow_angle: 90.0 DEGREES, leg_length: 0.812 INCHES NOMINAL SECOND END IN, seat_angle: 50.0 DEGREES FIRST END, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-231-3928, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
159-D-22
NSN: 4730-00-231-3928
FSC: 4730
CAGE: 0AHP5 — CURTISS-WRIGHT CONTROLS, INC. DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
flow_angle90.0 DEGREES
leg_length0.812 INCHES NOMINAL SECOND END IN
seat_angle50.0 DEGREES FIRST END
thread_class3A FIRST END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_styleINVERTED FLARE (TUBE) FIRST END
nominal_thread_size0.125 INCHES SECOND END IN
thread_quantity_per_inch27 SECOND END
thread_series_designatorUNF FIRST END
nominal_pipe_size_accommodated0.125 INCHES SECOND END IN
nominal_outside_diameter_tube_accommodated0.250 INCHES FIRST END IN
NSN4730-00-231-3928
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 159-D-22 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
LEG LENGTH: 0.750 INCHES NOMINAL FIRST END IN
NOMINAL THREAD SIZE: 0.438 INCHES FIRST END IN
MATERIAL: COPPER ALLOY OVERALL
NOMINAL PIPE SIZE ACCOMMODATED: 0.125 INCHES SECOND END IN
THREAD SERIES DESIGNATOR: ANPT SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN
THREAD QUANTITY PER INCH: 27 SECOND END
TECHNICAL CHARACTERISTICS (FLIS)
LEG LENGTH0.750 INCHES NOMINAL FIRST END IN
NOMINAL THREAD SIZE0.438 INCHES FIRST END IN
MATERIALCOPPER ALLOY OVERALL
NOMINAL PIPE SIZE ACCOMMODATED0.125 INCHES SECOND END IN
THREAD SERIES DESIGNATORANPT SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
THREAD SERIES DESIGNATORUNF FIRST END
THREAD QUANTITY PER INCH27 SECOND END
SEAT ANGLE50.0 DEGREES FIRST END
FLOW ANGLE90.0 DEGREES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
0584Interchangeable
interchangeable cross-reference
interchangeable
DIVCI0584Interchangeable
interchangeable cross-reference
interchangeable
D50K20KInterchangeable
interchangeable cross-reference
interchangeable
98851Interchangeable
interchangeable cross-reference
interchangeable
14828Interchangeable
interchangeable cross-reference
interchangeable
R-4ZZRA1P25LG20Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 159-D-22?
159-D-22 is a ELBOW,PIPE TO TUBE.
What parts can replace 159-D-22?
There are 18 known substitutes for 159-D-22: 0584, DIVCI0584, D50K20K and 15 more. Substitute compatibility should be verified for your specific system.
Is 159-D-22 still available?
159-D-22 is currently cancelled.
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