PartsTable
Technical Data Sheet
MIL-C-51234 ✓ 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: 0.760 INCHES MINIMUM AND 0.953 INCHES MAXIMUM IN, overall_length: 2.453 INCHES MINIMUM AND 2.469 INCHES MAXIMUM IN, connection_type: THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION, connection_style: PLAIN ALL ENDS, style_designator: MALE COUPLING HALF. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-052-4236, 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
MIL-C-51234
NSN: 4730-00-052-4236
FSC: 4730
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL BODY
leg_length0.760 INCHES MINIMUM AND 0.953 INCHES MAXIMUM IN
overall_length2.453 INCHES MINIMUM AND 2.469 INCHES MAXIMUM 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
NSN4730-00-052-4236
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MIL-C-51234 · 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
QUICK DISCONNECT METHOD: SPRING PUSH-PULL ALL ENDS
QUICK DISCONNECT NOMINAL SIZE: 0.438 INCHES ALL ENDS IN
CONNECTION STYLE: PLAIN ALL ENDS
LEG LENGTH: 0.270 INCHES NOMINAL IN
STYLE DESIGNATOR: MALE COUPLING HALF
MATERIAL: STEEL BODY
THREAD SERIES DESIGNATOR: NPT ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
QUICK DISCONNECT METHODSPRING PUSH-PULL ALL ENDS
QUICK DISCONNECT NOMINAL SIZE0.438 INCHES ALL ENDS IN
CONNECTION STYLEPLAIN ALL ENDS
LEG LENGTH0.270 INCHES NOMINAL IN
STYLE DESIGNATORMALE COUPLING HALF
MATERIALSTEEL BODY
SPECIAL FEATURESW/LOCK SLEEVE ELR NO.6113
THREAD SERIES DESIGNATORNPT ALL ENDS
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
FEATURES PROVIDEDSAFETY LOCKING FEATURE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
411-2336Interchangeable
interchangeable cross-reference
interchangeable
C150-1-2CLASS1STYLEBInterchangeable
interchangeable cross-reference
interchangeable
PHN6-6MInterchangeable
interchangeable cross-reference
interchangeable
E150-1-12Interchangeable
interchangeable cross-reference
interchangeable
D150-1-12-5-1BInterchangeable
interchangeable cross-reference
interchangeable
4730003413645Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-C-51234?
MIL-C-51234 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace MIL-C-51234?
There are 25 known substitutes for MIL-C-51234: 411-2336, C150-1-2CLASS1STYLEB, PHN6-6M and 22 more. Substitute compatibility should be verified for your specific system.
Is MIL-C-51234 still available?
MIL-C-51234 is currently cancelled.
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