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F2403-10-8-O — UNION,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

F2403-10-8-O: UNION,TUBE.

The UNION,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL UNION, thread_class: 2A SECOND END A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: FLARED W/ GASKET SEAT (TUBE) ALL ENDS, style_designator: THREADED, surface_treatment: CHROMATE ZINC UNION. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-540-0073, 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
F2403-10-8-O
NSN: 4730-01-540-0073
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 22031 — AIR-WAY MANUFACTURING COMPANY (USA)
SPECIFICATIONS
materialSTEEL UNION
thread_class2A SECOND END A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARED W/ GASKET SEAT (TUBE) ALL ENDS
style_designatorTHREADED
surface_treatmentCHROMATE ZINC UNION
flange_face_designPLAIN ALL ENDS
nominal_thread_size0.750 INCHES SECOND END IN
nominal_overall_length1.780 INCHES IN
media_for_which_designedWATER SINGLE RESPONSE
thread_quantity_per_inch16 SECOND END
thread_series_designatorUNF ALL ENDS
NSN4730-01-540-0073
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: F2403-10-8-O · 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
•
FLANGE FACE DESIGN: PLAIN ALL ENDS
•
CONNECTION STYLE: FLARED W/ GASKET SEAT (TUBE) ALL ENDS
•
NOMINAL OVERALL LENGTH: 1.780 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
•
STYLE DESIGNATOR: THREADED
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.625 INCHES ALL ENDS IN
•
NOMINAL THREAD SIZE: 0.750 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
FLANGE FACE DESIGNPLAIN ALL ENDS
CONNECTION STYLEFLARED W/ GASKET SEAT (TUBE) ALL ENDS
NOMINAL OVERALL LENGTH1.780 INCHES IN
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
STYLE DESIGNATORTHREADED
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.625 INCHES ALL ENDS IN
NOMINAL THREAD SIZE0.750 INCHES SECOND END IN
NOMINAL THREAD SIZE0.875 INCHES FIRST END IN
SURFACE TREATMENTCHROMATE ZINC UNION
MEDIA FOR WHICH DESIGNEDWATER SINGLE RESPONSE
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES 1
10665093-001Same 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 F2403-10-8-O?
F2403-10-8-O is a UNION,TUBE.
What parts can replace F2403-10-8-O?
There is 1 known substitute for F2403-10-8-O: 10665093-001. Substitute compatibility should be verified for your specific system.
What is the NSN for F2403-10-8-O?
F2403-10-8-O is cataloged in the U.S. Government catalog under NSN 4730-01-540-0073. This indicates validated use in U.S. government and defense supply chains.
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