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10108603 — REDUCER,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

10108603: REDUCER,TUBE.

The REDUCER,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 321 OVERALL, reducer_type: CONCENTRIC, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL TUBE SECOND END, connection_style: FLARED (TUBE) SECOND END, special_features: UNDRILLED. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-125-5512, 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
10108603
NSN: 4730-01-125-5512
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
materialSTEEL COMP 321 OVERALL
reducer_typeCONCENTRIC
thread_class3A FIRST END A
connection_typeTHREADED EXTERNAL TUBE SECOND END
connection_styleFLARED (TUBE) SECOND END
special_featuresUNDRILLED
nominal_thread_size0.437 INCHES SECOND END IN
seat_nominal_radius0.312 INCHES SECOND END IN
nominal_overall_length1.360 INCHES IN
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) SECOND END
material_document_and_classificationAMS5645 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
nominal_outside_diameter_tube_accommodated0.250 INCHES SECOND END IN
NSN4730-01-125-5512
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 10108603 · 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
•
SEAT NOMINAL RADIUS: 0.312 INCHES FIRST END IN
•
NOMINAL OVERALL LENGTH: 1.360 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5645 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
CONNECTION STYLEFLARED (TUBE) SECOND END
CONNECTION STYLEFLARED (TUBE) FIRST END
SEAT NOMINAL RADIUS0.312 INCHES FIRST END IN
SEAT NOMINAL RADIUS0.312 INCHES SECOND END IN
NOMINAL OVERALL LENGTH1.360 INCHES IN
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5645 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.312 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES SECOND END IN
SUBSTITUTES & CROSS-REFERENCES 1
J522Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 10108603?
10108603 is a REDUCER,TUBE.
What parts can replace 10108603?
There is 1 known substitute for 10108603: J522. Substitute compatibility should be verified for your specific system.
What is the NSN for 10108603?
10108603 is cataloged in the U.S. Government catalog under NSN 4730-01-125-5512. This indicates validated use in U.S. government and defense supply chains.
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