PartsTable
Technical Data Sheet
90122-3 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
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 ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, leg_length: 0.641 INCHES NOMINAL FIRST END IN, thread_class: 2A THIRD END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: COMPRESSION (TUBE) FIRST END, nominal_thread_size: 0.438 INCHES THIRD END IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-496-7505, 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
MRO MRO_GENERAL 90122-3
NSN: 4730-00-496-7505
FSC: 4730
CAGE: 06435 — DRESSER INDUSTRIES INC PETROLEUM EQUIPMENT DIV - WAYNE (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
leg_length0.641 INCHES NOMINAL FIRST END IN
thread_class2A THIRD END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_styleCOMPRESSION (TUBE) FIRST END
nominal_thread_size0.438 INCHES THIRD END IN
seat_nominal_radius0.062 INCHES SECOND END IN
end_item_identification43N AIRCRAFT, HORNET F/A-18
thread_quantity_per_inch24 THIRD END
thread_series_designatorNPTF SECOND END
nondefinitive_spec/std_data14C FIGURE
specification/standard_data81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN4730-00-496-7505
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 90122-3 · 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
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES THIRD END IN
NOMINAL THREAD SIZE: 0.438 INCHES THIRD END IN
MATERIAL: COPPER ALLOY OVERALL
THREAD CLASS: 2A SECOND END A
THREAD SERIES DESIGNATOR: UNS FIRST END
CONNECTION STYLE: PLAIN (PIPE) SECOND END
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES THIRD END IN
NOMINAL THREAD SIZE0.438 INCHES THIRD END IN
MATERIALCOPPER ALLOY OVERALL
THREAD CLASS2A SECOND END A
THREAD SERIES DESIGNATORUNS FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
THREAD CLASS2A FIRST END A
CONNECTION STYLEPLAIN (PIPE) SECOND END
THREAD SERIES DESIGNATORUNS THIRD END
CONNECTION STYLECOMPRESSION (TUBE) THIRD END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
A-203-12Interchangeable
interchangeable cross-reference
interchangeable
1203-15Interchangeable
interchangeable cross-reference
interchangeable
5-555042-3Interchangeable
interchangeable cross-reference
interchangeable
910241Interchangeable
interchangeable cross-reference
interchangeable
90122-3Interchangeable
interchangeable cross-reference
interchangeable
120276Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 90122-3?
90122-3 is a ADAPTER,STRAIGHT,PIPE TO TUBE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 90122-3?
There are 14 known substitutes for 90122-3: A-203-12, 1203-15, 5-555042-3 and 11 more. Substitute compatibility should be verified for your specific system.
Is 90122-3 still available?
90122-3 is currently cancelled.
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