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142434 ✓ 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 INVERTED NUT,TUBE COUPLING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, point_type: CONVENTIONAL, point_angle: 118.0 DEGREES NOMINAL, shank_style: FLAT ROUND, flute_length: 3.125 INCHES NOMINAL IN, overall_length: 6.000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-014-2434, 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
142434
NSN: 4730-00-014-2434
FSC: 4730
CAGE: 12204 — CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
point_typeCONVENTIONAL
point_angle118.0 DEGREES NOMINAL
shank_styleFLAT ROUND
flute_length3.125 INCHES NOMINAL IN
flute_quantity2
overall_length6.000 INCHES NOMINAL IN
shank_diameter0.500 INCHES NOMINAL IN
special_featuresREDUCED 1/2 IN. DIA SHANK; FRACTIONAL SIZE 3/4 IN
cutting_end_styleGENERAL PURPOSE
nominal_cutting_diameter0.7500 INCHES IN
cutting_rotation_directionRIGHT-HAND
NSN4730-00-014-2434
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 142434 · 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 DIRECTION: RIGHT-HAND
•
MATERIAL: COPPER ALLOY
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
NONDEFINITIVE SPEC/STD DATA: 9 FIGURE
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.438 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 0.688 INCHES NOMINAL IN
•
SPECIFICATION/STANDARD DATA: 81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
SEAT ANGLE IN DEG: 45.0
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
MATERIALCOPPER ALLOY
CASEHARDENING INDICATORNOT CASEHARDENED
NONDEFINITIVE SPEC/STD DATA9 FIGURE
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.438 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.688 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SEAT ANGLE IN DEG45.0
SMALLEST INSIDE DIAMETER0.442 INCHES MINIMUM AND 0.445 INCHES MAXIMUM IN
OVERALL LENGTH0.680 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
142433Interchangeable
interchangeable cross-reference
interchangeable
B2-1Interchangeable
interchangeable cross-reference
interchangeable
315-000-R2K0-209CInterchangeable
interchangeable cross-reference
interchangeable
13084939-501Interchangeable
interchangeable cross-reference
interchangeable
P22499-001Interchangeable
interchangeable cross-reference
interchangeable
G2-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 142434?
142434 is a INVERTED NUT,TUBE COUPLING.
What parts can replace 142434?
There are 16 known substitutes for 142434: 142433, B2-1, 315-000-R2K0-209C and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 142434?
142434 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-014-2434. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026