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PartsTable / COMPONENT / 9403370
9403370 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The CAP,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 12L14 OVERALL, seat_angle: 37.0 DEGREES, thread_class: 2B INTERNAL, connection_style: FLARE, style_designator: CAP, thread_direction: RIGHT-HAND INTERNAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-833-0604, 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
9403370
NSN: 4730-00-833-0604
FSC: 4730
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
materialSTEEL COMP 12L14 OVERALL
seat_angle37.0 DEGREES
thread_class2B INTERNAL
connection_styleFLARE
style_designatorCAP
thread_directionRIGHT-HAND INTERNAL
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.500 INCHES INTERNAL IN
thread_series_designatorUNF INTERNAL
tube_outside_diameter_for_which_designed0.312 INCHES NOMINAL IN
NSN4730-00-833-0604
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 9403370 · 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
•
THREAD SERIES DESIGNATOR: UNF INTERNAL
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL COMP 12L14 OVERALL
•
THREAD DIRECTION: RIGHT-HAND INTERNAL
•
THREAD CLASS: 2B INTERNAL
•
NOMINAL THREAD SIZE: 0.500 INCHES INTERNAL IN
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.312 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CAP
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNF INTERNAL
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL COMP 12L14 OVERALL
THREAD DIRECTIONRIGHT-HAND INTERNAL
THREAD CLASS2B INTERNAL
NOMINAL THREAD SIZE0.500 INCHES INTERNAL IN
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.312 INCHES NOMINAL IN
STYLE DESIGNATORCAP
CONNECTION STYLEFLARE
SEAT ANGLE37.0 DEGREES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
122-95Interchangeable
interchangeable cross-reference
interchangeable
110 1-25/64Interchangeable
interchangeable cross-reference
interchangeable
53189Interchangeable
interchangeable cross-reference
interchangeable
1302Interchangeable
interchangeable cross-reference
interchangeable
56559Interchangeable
interchangeable cross-reference
interchangeable
CB76-40H-H25-F23Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9403370?
9403370 is a CAP,TUBE.
What parts can replace 9403370?
There are 10 known substitutes for 9403370: 122-95, 110 1-25/64, 53189 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9403370?
9403370 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-833-0604. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026