PartsTable
Technical Data Sheet
4429K113 ✓ 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 COUPLING,PIPE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, special_features: RATING 125PSI AIR, STEAM; 200PSI WATER,OIL,GAS, style_designator: PLAIN, nominal_thread_size: 0.500 INCHES ALL ENDS 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 4730-01-518-3759, 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
4429K113
NSN: 4730-01-518-3759
FSC: 4730
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
special_featuresRATING 125PSI AIR, STEAM; 200PSI WATER,OIL,GAS
style_designatorPLAIN
nominal_thread_size0.500 INCHES ALL ENDS IN
nominal_overall_length1.312 INCHES IN
end_item_identificationCOOLANT PUMP
media_for_which_designedWATER-OIL-GAS SINGLE RESPONSE
thread_series_designatorNPT ALL ENDS
pipe_wall_thickness_designation_for_which_designedSCHEDULE 40 ALL ENDS
NSN4730-01-518-3759
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4429K113 · 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
MATERIAL: COPPER ALLOY OVERALL
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS SINGLE RESPONSE
THREAD SERIES DESIGNATOR: NPT ALL ENDS
STYLE DESIGNATOR: PLAIN
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNED: SCHEDULE 40 ALL ENDS
NOMINAL THREAD SIZE: 0.500 INCHES ALL ENDS IN
NOMINAL OVERALL LENGTH: 1.312 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY OVERALL
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
SPECIAL FEATURESRATING 125PSI AIR, STEAM; 200PSI WATER,OIL,GAS
THREAD SERIES DESIGNATORNPT ALL ENDS
STYLE DESIGNATORPLAIN
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNEDSCHEDULE 40 ALL ENDS
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS IN
NOMINAL OVERALL LENGTH1.312 INCHES IN
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
137894Interchangeable
interchangeable cross-reference
interchangeable
1/2 NPTInterchangeable
interchangeable cross-reference
interchangeable
221-1404Interchangeable
interchangeable cross-reference
interchangeable
845-6800704-157Interchangeable
interchangeable cross-reference
interchangeable
845-6603141-157Interchangeable
interchangeable cross-reference
interchangeable
6603141Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4429K113?
4429K113 is a COUPLING,PIPE.
What parts can replace 4429K113?
There are 6 known substitutes for 4429K113: 137894, 1/2 NPT, 221-1404 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4429K113?
4429K113 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-518-3759. This indicates validated use in U.S. government and defense supply chains.
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