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10300890 — REDUCER,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

10300890: REDUCER,TUBE.

The REDUCER,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, seat_angle: 20.0 DEGREES ALL ENDS, reducer_type: CONCENTRIC, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: FLARELESS (TUBE) ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-076-5802, 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
10300890
NSN: 4730-01-076-5802
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
seat_angle20.0 DEGREES ALL ENDS
reducer_typeCONCENTRIC
thread_class3A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARELESS (TUBE) ALL ENDS
nominal_thread_size0.125 INCHES SECOND END IN
nominal_overall_length1.220 INCHES IN
thread_series_designatorUNF ALL ENDS
furnished_items_and_quantity4 FERRULE SLEEVE AND 2 SHORT COUPLING NUT
nominal_outside_diameter_tube_accommodated0.062 INCHES SECOND END IN
NSN4730-01-076-5802
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 10300890 · 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
•
FURNISHED ITEMS AND QUANTITY: 4 FERRULE SLEEVE AND 2 SHORT COUPLING NUT
•
CONNECTION STYLE: FLARELESS (TUBE) ALL ENDS
•
NOMINAL OVERALL LENGTH: 1.220 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.062 INCHES SECOND END IN
•
NOMINAL THREAD SIZE: 0.125 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY4 FERRULE SLEEVE AND 2 SHORT COUPLING NUT
CONNECTION STYLEFLARELESS (TUBE) ALL ENDS
NOMINAL OVERALL LENGTH1.220 INCHES IN
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.062 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.125 INCHES FIRST END IN
NOMINAL THREAD SIZE0.125 INCHES SECOND END IN
NOMINAL THREAD SIZE0.312 INCHES FIRST END IN
SEAT ANGLE20.0 DEGREES ALL ENDS
THREAD CLASS3A ALL ENDS A
SUBSTITUTES & CROSS-REFERENCES 1
106550-001Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 10300890?
10300890 is a REDUCER,TUBE.
What parts can replace 10300890?
There is 1 known substitute for 10300890: 106550-001. Substitute compatibility should be verified for your specific system.
What is the NSN for 10300890?
10300890 is cataloged in the U.S. Government catalog under NSN 4730-01-076-5802. This indicates validated use in U.S. government and defense supply chains.
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