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Technical Data Sheet
PartsTable / COMPONENT / MS14310-4
MS14310-4 ✓ 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 CAP,PIPE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, connection_style: PLAIN (OPTIONAL END), style_designator: CAP, thread_direction: RIGHT-HAND INTERNAL, operating_pressure: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS, nominal_thread_size: 0.500 INCHES INTERNAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-724-1998, 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
MS14310-4
NSN: 4730-00-724-1998
FSC: 4730
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
connection_stylePLAIN (OPTIONAL END)
style_designatorCAP
thread_directionRIGHT-HAND INTERNAL
operating_pressure125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
nominal_thread_size0.500 INCHES INTERNAL IN
media_for_which_designedWATER, FRESH
thread_series_designatorNPT INTERNAL
nondefinitive_spec/std_dataA CLASS AND 1 PRESSURE RATING
nominal_pipe_size_for_which_designed0.500 INCHES IN
NSN4730-00-724-1998
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS14310-4 · 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
•
MEDIA FOR WHICH DESIGNED: WATER, FRESH
•
NOMINAL THREAD SIZE: 0.500 INCHES INTERNAL IN
•
THREAD DIRECTION: RIGHT-HAND INTERNAL
•
OPERATING PRESSURE: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
•
NONDEFINITIVE SPEC/STD DATA: A CLASS AND 1 PRESSURE RATING
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 0.500 INCHES IN
•
THREAD SERIES DESIGNATOR: NPT INTERNAL
•
STYLE DESIGNATOR: CAP
TECHNICAL CHARACTERISTICS (FLIS)
MEDIA FOR WHICH DESIGNEDWATER, FRESH
NOMINAL THREAD SIZE0.500 INCHES INTERNAL IN
THREAD DIRECTIONRIGHT-HAND INTERNAL
OPERATING PRESSURE125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
NONDEFINITIVE SPEC/STD DATAA CLASS AND 1 PRESSURE RATING
NOMINAL PIPE SIZE FOR WHICH DESIGNED0.500 INCHES IN
THREAD SERIES DESIGNATORNPT INTERNAL
STYLE DESIGNATORCAP
MATERIALCOPPER ALLOY OVERALL
CONNECTION STYLEPLAIN (OPTIONAL END)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
L31682Interchangeable
interchangeable cross-reference
interchangeable
6550NCM030079Interchangeable
interchangeable cross-reference
interchangeable
231682Interchangeable
interchangeable cross-reference
interchangeable
MS14310-4AInterchangeable
Same NIIN cross-reference
interchangeable
WW-P-460Interchangeable
Same NIIN cross-reference
interchangeable
CPXA1355Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS14310-4?
MS14310-4 is a CAP,PIPE.
What parts can replace MS14310-4?
There are 8 known substitutes for MS14310-4: L31682, 6550NCM030079, 231682 and 5 more. Substitute compatibility should be verified for your specific system.
Is MS14310-4 still available?
MS14310-4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026