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Technical Data Sheet
PartsTable / COMPONENT / 334561
334561 ✓ 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: COPPER ALLOY BODY, flow_angle: 90.0 DEGREES, seat_angle: 45.0 DEGREES, connection_type: INTERNAL QUICK DISCONNECT ALL ENDS, connection_style: FLARED ALL ENDS, style_designator: MALE COUPLING HALF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-354-9050, 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
334561
NSN: 4730-01-354-9050
FSC: 4730
CAGE: 33654 — HOWDEN FLUID SYSTEMS (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
flow_angle90.0 DEGREES
seat_angle45.0 DEGREES
connection_typeINTERNAL QUICK DISCONNECT ALL ENDS
connection_styleFLARED ALL ENDS
style_designatorMALE COUPLING HALF
quick_disconnect_nominal_size0.250 INCHES ALL ENDS IN
nominal_outside_diameter_tube_accommodated0.250 INCHES ALL ENDS IN
NSN4730-01-354-9050
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 334561 · 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 TYPE: INTERNAL QUICK DISCONNECT ALL ENDS
•
CONNECTION STYLE: FLARED ALL ENDS
•
MATERIAL: COPPER ALLOY BODY
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES ALL ENDS IN
•
QUICK DISCONNECT NOMINAL SIZE: 0.250 INCHES ALL ENDS IN
•
STYLE DESIGNATOR: MALE COUPLING HALF
•
SEAT ANGLE: 45.0 DEGREES
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPEINTERNAL QUICK DISCONNECT ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
CONNECTION STYLEFLARED ALL ENDS
MATERIALCOPPER ALLOY BODY
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES ALL ENDS IN
QUICK DISCONNECT NOMINAL SIZE0.250 INCHES ALL ENDS IN
STYLE DESIGNATORMALE COUPLING HALF
SEAT ANGLE45.0 DEGREES
FLOW ANGLE90.0 DEGREES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
A-A-60001Interchangeable
interchangeable cross-reference
interchangeable
AA60001-V-A OR B-2Interchangeable
interchangeable cross-reference
interchangeable
WWT696Interchangeable
interchangeable cross-reference
interchangeable
17CInterchangeable
interchangeable cross-reference
interchangeable
17420C11Interchangeable
interchangeable cross-reference
interchangeable
L14262Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 334561?
334561 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace 334561?
There are 10 known substitutes for 334561: A-A-60001, AA60001-V-A OR B-2, WWT696 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 334561?
334561 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-354-9050. 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