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PartsTable / COMPONENT / 405-10390-1
405-10390-1 ✓ 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 COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY BODY, leg_length: 0.531 INCHES NOMINAL IN, seat_angle: 37.0 DEGREES, thread_class: 3A ALL ENDS A, overall_length: 2.322 INCHES MINIMUM AND 2.484 INCHES MAXIMUM IN, connection_type: EXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-820-3999, 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
405-10390-1
NSN: 4730-00-820-3999
FSC: 4730
CAGE: 81833 — AEROCONTROLEX GROUP, INC. (USA)
SPECIFICATIONS
materialALUMINUM ALLOY BODY
leg_length0.531 INCHES NOMINAL IN
seat_angle37.0 DEGREES
thread_class3A ALL ENDS A
overall_length2.322 INCHES MINIMUM AND 2.484 INCHES MAXIMUM IN
connection_typeEXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END
connection_styleFLARED ALL ENDS
style_designatorMALE COUPLING HALF
features_providedSELF-SEALING
surface_treatmentANODIZE BODY
nominal_thread_size0.438 INCHES ALL ENDS IN
quick_disconnect_methodPUSH-PULL ALL ENDS
NSN4730-00-820-3999
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 405-10390-1 · 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 ALL ENDS
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES ALL ENDS IN
•
MATERIAL: ALUMINUM ALLOY BODY
•
QUICK DISCONNECT METHOD: PUSH-PULL ALL ENDS
•
NOMINAL THREAD SIZE: 0.438 INCHES ALL ENDS IN
•
FEATURES PROVIDED: SELF-SEALING
•
THREAD SERIES DESIGNATOR: UNS ALL ENDS
•
QUICK DISCONNECT NOMINAL SIZE: 0.500 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEFLARED ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES ALL ENDS IN
MATERIALALUMINUM ALLOY BODY
QUICK DISCONNECT METHODPUSH-PULL ALL ENDS
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS IN
FEATURES PROVIDEDSELF-SEALING
THREAD SERIES DESIGNATORUNS ALL ENDS
QUICK DISCONNECT NOMINAL SIZE0.500 INCHES ALL ENDS IN
SEAT ANGLE37.0 DEGREES
STYLE DESIGNATORMALE COUPLING HALF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
103901Interchangeable
interchangeable cross-reference
interchangeable
A1022X65Interchangeable
interchangeable cross-reference
interchangeable
40609-8 PC NO 27Interchangeable
interchangeable cross-reference
interchangeable
40609-8Interchangeable
interchangeable cross-reference
interchangeable
2JC2409H02Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 405-10390-1?
405-10390-1 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace 405-10390-1?
There are 5 known substitutes for 405-10390-1: 103901, A1022X65, 40609-8 PC NO 27 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 405-10390-1?
405-10390-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-820-3999. 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