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KC112K20 — ADAPTER,STRAIGHT,TUBE TO BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

KC112K20: ADAPTER,STRAIGHT,TUBE TO BOSS.

The ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3A SECOND END A, connection_type: THREADED EXTERNAL BOSS SECOND END, connection_style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-357-4740, 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
KC112K20
NSN: 4730-01-357-4740
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 22264 — JOHN F KENNEDY SPACE CENTER DBA NASA DIV KENNEDY SPACE CENTER (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
seat_angle37.0 DEGREES FIRST END
thread_class3A SECOND END A
connection_typeTHREADED EXTERNAL BOSS SECOND END
connection_styleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
surface_treatmentPASSIVATE OVERALL
nominal_thread_size1.625 INCHES SECOND END IN
nominal_overall_length2.094 INCHES IN
thread_quantity_per_inch12 SECOND END
thread_series_designatorUN FIRST END
material_document_and_classificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
nominal_outside_diameter_tube_accommodated1.250 INCHES FIRST END IN
NSN4730-01-357-4740
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: KC112K20 · 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
•
CONNECTION STYLE: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
•
NOMINAL OVERALL LENGTH: 2.094 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.250 INCHES FIRST END IN
•
NOMINAL THREAD SIZE: 1.625 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
CONNECTION STYLEFLARED (TUBE) FIRST END
NOMINAL OVERALL LENGTH2.094 INCHES IN
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.250 INCHES FIRST END IN
NOMINAL THREAD SIZE1.625 INCHES SECOND END IN
NOMINAL THREAD SIZE1.625 INCHES FIRST END IN
SEAT ANGLE37.0 DEGREES FIRST END
SUBSTITUTES & CROSS-REFERENCES 1
KC112C20Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is KC112K20?
KC112K20 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace KC112K20?
There is 1 known substitute for KC112K20: KC112C20. Substitute compatibility should be verified for your specific system.
What is the NSN for KC112K20?
KC112K20 is cataloged in the U.S. Government catalog under NSN 4730-01-357-4740. This indicates validated use in U.S. government and defense supply chains.
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