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Technical Data Sheet
PartsTable / COMPONENT / MS27026-9
MS27026-9 ✓ 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: 1.500 INCHES NOMINAL IN, overall_length: 3.900 INCHES MINIMUM AND 4.000 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 4730-00-203-1010, 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
MS27026-9
NSN: 4730-00-203-1010
FSC: 4730
CAGE: 72869 — EIDAL INTERNATIONAL CORPORATION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY BODY
leg_length1.500 INCHES NOMINAL IN
overall_length3.900 INCHES MINIMUM AND 4.000 INCHES MAXIMUM IN
connection_typeTHREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
connection_stylePLAIN ALL ENDS
style_designatorMALE COUPLING HALF
surface_treatmentANODIZE BODY
nominal_thread_size4.000 INCHES ALL ENDS IN
quick_disconnect_methodCAM-LOCKING ALL ENDS
thread_series_designatorNPT ALL ENDS
specification/standard_data96906-MS27026 GOVERNMENT STANDARD
quick_disconnect_nominal_size4.703 INCHES ALL ENDS IN
NSN4730-00-203-1010
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS27026-9 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
633-BInterchangeable
interchangeable cross-reference
interchangeable
633-B-0190Interchangeable
interchangeable cross-reference
interchangeable
633B-AL60Interchangeable
interchangeable cross-reference
interchangeable
MS27030Interchangeable
interchangeable cross-reference
interchangeable
MS27030-7Interchangeable
interchangeable cross-reference
interchangeable
A-A-59326Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS27026-9?
MS27026-9 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace MS27026-9?
There are 31 known substitutes for MS27026-9: 633-B, 633-B-0190, 633B-AL60 and 28 more. Substitute compatibility should be verified for your specific system.
Is MS27026-9 still available?
MS27026-9 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