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Technical Data Sheet
PartsTable / COMPONENT / MS-27026-12
MS-27026-12 ✓ 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, overall_length: 4.000 INCHES MINIMUM AND 6.000 INCHES MAXIMUM IN, connection_type: INTERNAL QUICK DISCONNECT ALL ENDS, connection_style: PLAIN ALL ENDS, special_features: WEAPON SYSTEM ESSENTIAL, 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 4730-00-410-9530, 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
MS-27026-12
NSN: 4730-00-410-9530
FSC: 4730
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialCOPPER ALLOY BODY
overall_length4.000 INCHES MINIMUM AND 6.000 INCHES MAXIMUM IN
connection_typeINTERNAL QUICK DISCONNECT ALL ENDS
connection_stylePLAIN ALL ENDS
special_featuresWEAPON SYSTEM ESSENTIAL
style_designatorMALE COUPLING HALF
features_providedSAFETY LOCKING FEATURE AND SELF-SEALING
nominal_thread_size2.000 INCHES ALL ENDS IN
end_item_identification3K ROWPU
quick_disconnect_methodCAM-LOCKING ALL ENDS
thread_series_designatorNPT ALL ENDS
criticality_code_justificationFEAT
NSN4730-00-410-9530
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS-27026-12 · 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
•
STYLE DESIGNATOR: MALE COUPLING HALF
•
CONNECTION TYPE: INTERNAL QUICK DISCONNECT ALL ENDS
•
NOMINAL PIPE SIZE ACCOMMODATED: 2.000 INCHES ALL ENDS IN
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
QUICK DISCONNECT METHOD: CAM-LOCKING ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH4.000 INCHES MINIMUM AND 6.000 INCHES MAXIMUM IN
STYLE DESIGNATORMALE COUPLING HALF
CONNECTION TYPEINTERNAL QUICK DISCONNECT ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED2.000 INCHES ALL ENDS IN
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
CRITICALITY CODE JUSTIFICATIONFEAT
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
QUICK DISCONNECT METHODCAM-LOCKING ALL ENDS
FEATURES PROVIDEDSAFETY LOCKING FEATURE AND SELF-SEALING
MATERIALCOPPER ALLOY BODY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
MS27030Interchangeable
interchangeable cross-reference
interchangeable
MS27030-7Interchangeable
interchangeable cross-reference
interchangeable
A-A-59326Interchangeable
interchangeable cross-reference
interchangeable
A-A-59326/7Interchangeable
interchangeable cross-reference
interchangeable
100-B-BRInterchangeable
interchangeable cross-reference
interchangeable
100-B-Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS-27026-12?
MS-27026-12 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace MS-27026-12?
There are 32 known substitutes for MS-27026-12: MS27030, MS27030-7, A-A-59326 and 29 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS-27026-12?
MS-27026-12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-410-9530. 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