PartsTable
Technical Data Sheet
1A73018B ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include material: COPPER ALLOY 360 OVERALL, flow_angle: 90.0 DEGREES, leg_length: 0.328 INCHES NOMINAL FIRST END IN, seat_angle: 42.0 DEGREES FIRST END, thread_class: 2B FIRST END, connection_type: THREADED EXTERNAL PIPE SECOND END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-8273, 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
1A73018B
NSN: 4730-00-277-8273
FSC: 4730
CAGE: 23382 — FWD SEAGRAVE HOLDINGS LP (USA)
SPECIFICATIONS
materialCOPPER ALLOY 360 OVERALL
flow_angle90.0 DEGREES
leg_length0.328 INCHES NOMINAL FIRST END IN
seat_angle42.0 DEGREES FIRST END
thread_class2B FIRST END
connection_typeTHREADED EXTERNAL PIPE SECOND END
connection_stylePLAIN (PIPE) SECOND END
special_featuresSUPPORTS ANTHONY MODEL MLT 6-2;NSN 3930003271575
nominal_thread_size0.125 INCHES SECOND END IN
thread_quantity_per_inch24 FIRST END
thread_series_designatorUNS FIRST END
nondefinitive_spec/std_data6 FIGURE
NSN4730-00-277-8273
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1A73018B · 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
THREAD QUANTITY PER INCH: 24 FIRST END
NOMINAL PIPE SIZE ACCOMMODATED: 0.125 INCHES SECOND END IN
MATERIAL: COPPER ALLOY 360 OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN
THREAD CLASS: 2B FIRST END
THREAD SERIES DESIGNATOR: UNS FIRST END
SEAT ANGLE: 42.0 DEGREES FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH24 FIRST END
NOMINAL PIPE SIZE ACCOMMODATED0.125 INCHES SECOND END IN
MATERIALCOPPER ALLOY 360 OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
THREAD CLASS2B FIRST END
THREAD SERIES DESIGNATORUNS FIRST END
SPECIAL FEATURESSUPPORTS ANTHONY MODEL MLT 6-2;NSN 3930003271575
SEAT ANGLE42.0 DEGREES FIRST END
LEG LENGTH0.625 INCHES NOMINAL SECOND END IN
NOMINAL THREAD SIZE0.438 INCHES FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
CJ2A07XInterchangeable
interchangeable cross-reference
interchangeable
10474Interchangeable
interchangeable cross-reference
interchangeable
7755658P17Interchangeable
interchangeable cross-reference
interchangeable
0502 0106 00Interchangeable
interchangeable cross-reference
interchangeable
0MD13-876BInterchangeable
interchangeable cross-reference
interchangeable
D21Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1A73018B?
1A73018B is a RESISTOR,VARIABLE,WIRE WOUND,NON.
What parts can replace 1A73018B?
There are 31 known substitutes for 1A73018B: CJ2A07X, 10474, 7755658P17 and 28 more. Substitute compatibility should be verified for your specific system.
Is 1A73018B still available?
1A73018B is currently cancelled.
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