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Technical Data Sheet
KA04-05MS ✓ 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,TUBE TO HOSE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, seat_angle: 45.0 DEGREES FIRST END, thread_class: 3A FIRST END A, connection_style: BARBED OR BEADED (HOSE) SECOND END, nominal_thread_size: 0.500 INCHES FIRST END IN, special_test_features: TESTED IN ACCORDANCE W/MIL-Q-9858. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-051-4684, 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
KA04-05MS
NSN: 4730-00-051-4684
FSC: 4730
CAGE: 30327 — IMPERIAL (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
seat_angle45.0 DEGREES FIRST END
thread_class3A FIRST END A
connection_styleBARBED OR BEADED (HOSE) SECOND END
nominal_thread_size0.500 INCHES FIRST END IN
special_test_featuresTESTED IN ACCORDANCE W/MIL-Q-9858
nominal_overall_length1.625 INCHES IN
thread_series_designatorUNF FIRST END
nominal_inside_diameter_hose_accommodated0.250 INCHES SECOND END IN
nominal_outside_diameter_tube_accommodated0.312 INCHES FIRST END IN
reference_number_differentiating_characteristicsAS DIFFERENTIATED BY SPECIAL TEST FEATURES
NSN4730-00-051-4684
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: KA04-05MS · 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
SPECIAL TEST FEATURES: TESTED IN ACCORDANCE W/MIL-Q-9858
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: AS DIFFERENTIATED BY SPECIAL TEST FEATURES
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL TEST FEATURESTESTED IN ACCORDANCE W/MIL-Q-9858
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY SPECIAL TEST FEATURES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
KA04-05MSInterchangeable
interchangeable cross-reference
interchangeable
945-5-4Interchangeable
interchangeable cross-reference
interchangeable
4742-5-4BInterchangeable
Same NIIN cross-reference
interchangeable
445-5-4BInterchangeable
Same NIIN cross-reference
interchangeable
30482-5-4BInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is KA04-05MS?
KA04-05MS is a ADAPTER,STRAIGHT,TUBE TO HOSE.
What parts can replace KA04-05MS?
There are 5 known substitutes for KA04-05MS: KA04-05MS, 945-5-4, 4742-5-4B and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for KA04-05MS?
KA04-05MS is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-051-4684. This indicates validated use in U.S. government and defense supply chains.
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