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PartsTable / COMPONENT / C402 1-5-8
C402 1-5-8 ✓ 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 UNION,TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, seat_type: BEVELED, connection_type: UNTHREADED INTERNAL TUBE FIRST END, connection_style: SOCKET (TUBE) FIRST END, nominal_overall_length: 2.750 INCHES IN, nominal_outside_diameter_tube_accommodated: 1.625 INCHES FIRST END IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-517-7895, 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
C402 1-5-8
NSN: 4730-00-517-7895
FSC: 4730
CAGE: 11699 — KENNECOTT CORP CHASE EXTRUSIONS DIV (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
seat_typeBEVELED
connection_typeUNTHREADED INTERNAL TUBE FIRST END
connection_styleSOCKET (TUBE) FIRST END
nominal_overall_length2.750 INCHES IN
nominal_outside_diameter_tube_accommodated1.625 INCHES FIRST END IN
tubing_wall_nominal_thickness_for_which_designed0.062 INCHES FIRST END IN
NSN4730-00-517-7895
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: C402 1-5-8 · 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
•
NOMINAL OVERALL LENGTH: 2.750 INCHES IN
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.625 INCHES FIRST END IN
•
SEAT TYPE: BEVELED
•
MATERIAL: COPPER ALLOY OVERALL
•
CONNECTION STYLE: SOCKET (TUBE) FIRST END
•
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED: 0.062 INCHES FIRST END IN
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL OVERALL LENGTH2.750 INCHES IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.625 INCHES FIRST END IN
SEAT TYPEBEVELED
MATERIALCOPPER ALLOY OVERALL
CONNECTION STYLESOCKET (TUBE) FIRST END
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED0.062 INCHES FIRST END IN
CONNECTION TYPEUNTHREADED INTERNAL TUBE FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
C402Interchangeable
interchangeable cross-reference
interchangeable
633 1-2Interchangeable
interchangeable cross-reference
interchangeable
AA59617-29Interchangeable
interchangeable cross-reference
interchangeable
6000001Interchangeable
interchangeable cross-reference
interchangeable
9800001Interchangeable
interchangeable cross-reference
interchangeable
RC-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C402 1-5-8?
C402 1-5-8 is a UNION,TUBE.
What parts can replace C402 1-5-8?
There are 16 known substitutes for C402 1-5-8: C402, 633 1-2, AA59617-29 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C402 1-5-8?
C402 1-5-8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-517-7895. 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