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Technical Data Sheet
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KT-3070-31 — ADAPTER,STRAIGHT,TUBE TO BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

KT-3070-31: ADAPTER,STRAIGHT,TUBE TO BOSS.

The ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include temp_rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, inside_diameter: 0.380 INCHES NOMINAL IN, connection_style: PLAIN FIRST END, outside_diameter: 0.875 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-725-4600, 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
KT-3070-31
NSN: 4730-01-725-4600
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 20722 — THE ENTWISTLE COMPANY LLC (USA)
SPECIFICATIONS
temp_rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
thread_class3A FIRST END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
inside_diameter0.380 INCHES NOMINAL IN
connection_stylePLAIN FIRST END
outside_diameter0.875 INCHES MAXIMUM IN
special_featuresOUTLET END,SPECIAL YOKE FOR FLASK CHARGING
thread_directionRIGHT-HAND FIRST END
operating_pressure2250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
burst_test_pressure16000.0 POUNDS PER SQUARE INCH LBS
nominal_thread_size1.188 INCHES FIRST END IN
end_connection_designSTRAIGHT FIRST END
NSN4730-01-725-4600
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: KT-3070-31 · 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
SUBSTITUTES & CROSS-REFERENCES 2
KT-3070-4 ITEM 9Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
KT-3070-4Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is KT-3070-31?
KT-3070-31 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace KT-3070-31?
There are 2 known substitutes for KT-3070-31: KT-3070-4 ITEM 9, KT-3070-4. Substitute compatibility should be verified for your specific system.
What is the NSN for KT-3070-31?
KT-3070-31 is cataloged in the U.S. Government catalog under NSN 4730-01-725-4600. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.