PartsTable
Technical Data Sheet
187343 ✓ 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 ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 360 OVERALL, seat_angle: 42.0 DEGREES FIRST END, thread_class: 2B FIRST END, connection_type: THREADED EXTERNAL PIPE SECOND END, connection_style: INVERTED FLARE (TUBE) FIRST END, special_features: WEAPON SYSTEM ESSENTIAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-288-9953, 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
187343
NSN: 4730-00-288-9953
FSC: 4730
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY 360 OVERALL
seat_angle42.0 DEGREES FIRST END
thread_class2B FIRST END
connection_typeTHREADED EXTERNAL PIPE SECOND END
connection_styleINVERTED FLARE (TUBE) FIRST END
special_featuresWEAPON SYSTEM ESSENTIAL
operating_pressure500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.250 INCHES SECOND END IN
maximum_operating_temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
nominal_overall_length0.984 INCHES IN
end_item_identificationGRUMAN A-10 AIRCRAFT
media_for_which_designedREFRIGERATION COMPOUND SINGLE RESPONSE
NSN4730-00-288-9953
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 187343 · 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
MEDIA FOR WHICH DESIGNED: REFRIGERATION COMPOUND SINGLE RESPONSE
CRITICALITY CODE JUSTIFICATION: FEAT
NOMINAL THREAD SIZE: 0.500 INCHES FIRST END IN
MATERIAL: COPPER ALLOY 360 OVERALL
NONDEFINITIVE SPEC/STD DATA: 5A FIGURE A
THREAD SERIES DESIGNATOR: NPTF SECOND END
NOMINAL OVERALL LENGTH: 0.984 INCHES IN
CONNECTION STYLE: INVERTED FLARE (TUBE) FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
MEDIA FOR WHICH DESIGNEDREFRIGERATION COMPOUND SINGLE RESPONSE
CRITICALITY CODE JUSTIFICATIONFEAT
NOMINAL THREAD SIZE0.500 INCHES FIRST END IN
MATERIALCOPPER ALLOY 360 OVERALL
NONDEFINITIVE SPEC/STD DATA5A FIGURE A
THREAD SERIES DESIGNATORNPTF SECOND END
NOMINAL OVERALL LENGTH0.984 INCHES IN
CONNECTION STYLEINVERTED FLARE (TUBE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
NOMINAL THREAD SIZE0.250 INCHES SECOND END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
182-15Interchangeable
interchangeable cross-reference
interchangeable
23814Interchangeable
interchangeable cross-reference
interchangeable
50235Interchangeable
interchangeable cross-reference
interchangeable
68040Interchangeable
interchangeable cross-reference
interchangeable
50235-1Interchangeable
interchangeable cross-reference
interchangeable
452486-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 187343?
187343 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 187343?
There are 17 known substitutes for 187343: 182-15, 23814, 50235 and 14 more. Substitute compatibility should be verified for your specific system.
Is 187343 still available?
187343 is currently cancelled.
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