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KC125K16-12 — REDUCER,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

KC125K16-12: REDUCER,TUBE.

The REDUCER,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, seat_angle: 37.0 DEGREES FIRST END, reducer_type: CONCENTRIC, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: FLARED (TUBE) FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-502-8874, 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
KC125K16-12
NSN: 4730-00-502-8874
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
reducer_typeCONCENTRIC
thread_class3A FIRST END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_styleFLARED (TUBE) FIRST END
special_featuresMACHINED GROOVE IN FLARED ENDS TO ACCOMMODATE SEAL RINGS PER KC103
surface_treatmentPASSIVATE INSIDE
nominal_thread_size1.312 INCHES FIRST END IN
nominal_overall_length2.156 INCHES IN
thread_quantity_per_inch12 FIRST END
thread_series_designatorUN FIRST END
NSN4730-00-502-8874
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: KC125K16-12 · 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: FLARED (TUBE) SECOND END
•
NOMINAL OVERALL LENGTH: 2.156 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.750 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLEFLARED (TUBE) SECOND END
CONNECTION STYLEFLARED (TUBE) FIRST END
NOMINAL OVERALL LENGTH2.156 INCHES IN
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.750 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.000 INCHES FIRST END IN
NOMINAL THREAD SIZE1.312 INCHES FIRST END IN
NOMINAL THREAD SIZE1.062 INCHES SECOND END IN
SUBSTITUTES & CROSS-REFERENCES 3
AS1368K1612Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
SAE-AS1368Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
KC125C16-12Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 KC125K16-12?
KC125K16-12 is a REDUCER,TUBE.
What parts can replace KC125K16-12?
There are 3 known substitutes for KC125K16-12: AS1368K1612, SAE-AS1368, KC125C16-12. Substitute compatibility should be verified for your specific system.
What is the NSN for KC125K16-12?
KC125K16-12 is cataloged in the U.S. Government catalog under NSN 4730-00-502-8874. This indicates validated use in U.S. government and defense supply chains.
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