PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 4730003413645
4730003413645 ✓ 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: STEEL BODY, leg_length: 0.953 INCHES NOMINAL IN, overall_length: 2.453 INCHES NOMINAL IN, connection_type: THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION, connection_style: PLAIN 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 4730-00-341-3645, 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
4730003413645
NSN: 4730-00-341-3645
FSC: 4730
CAGE: A00AM — E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES
SPECIFICATIONS
materialSTEEL BODY
leg_length0.953 INCHES NOMINAL IN
overall_length2.453 INCHES NOMINAL IN
connection_typeTHREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
connection_stylePLAIN ALL ENDS
style_designatorMALE COUPLING HALF
features_providedSELF-SEALING
surface_treatmentCADMIUM BODY
nominal_thread_size0.500 INCHES ALL ENDS IN
quick_disconnect_methodPUSH-PULL ALL ENDS
thread_series_designatorNPT ALL ENDS
nondefinitive_spec/std_data2 TYPE AND 1/2 IN SIZE IN
NSN4730-00-341-3645
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4730003413645 · 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: EXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
LEG LENGTH: 0.953 INCHES NOMINAL IN
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 1/2 IN SIZE IN
•
FEATURES PROVIDED: SELF-SEALING
•
STYLE DESIGNATOR: MALE COUPLING HALF
•
QUICK DISCONNECT METHOD: PUSH-PULL ALL ENDS
•
SPECIFICATION/STANDARD DATA: 81349-MIL-C-51234 GOVERNMENT SPECIFICATION
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPEEXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END
THREAD SERIES DESIGNATORNPT ALL ENDS
LEG LENGTH0.953 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 1/2 IN SIZE IN
FEATURES PROVIDEDSELF-SEALING
STYLE DESIGNATORMALE COUPLING HALF
QUICK DISCONNECT METHODPUSH-PULL ALL ENDS
SPECIFICATION/STANDARD DATA81349-MIL-C-51234 GOVERNMENT SPECIFICATION
CONNECTION STYLEPLAIN ALL ENDS
OVERALL LENGTH2.453 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
D150-1-11-1CLASS1STYLEAWITHSLEEInterchangeable
interchangeable cross-reference
interchangeable
MIL-C-51234Interchangeable
interchangeable cross-reference
interchangeable
D150-1-11-1Interchangeable
interchangeable cross-reference
interchangeable
411-2336Interchangeable
interchangeable cross-reference
interchangeable
C150-1-2CLASS1STYLEBInterchangeable
interchangeable cross-reference
interchangeable
PHN6-6MInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4730003413645?
4730003413645 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace 4730003413645?
There are 23 known substitutes for 4730003413645: D150-1-11-1CLASS1STYLEAWITHSLEE, MIL-C-51234, D150-1-11-1 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4730003413645?
4730003413645 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-341-3645. 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