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PartsTable / COMPONENT / MS26549-2
MS26549-2 ✓ 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: 2.187 INCHES NOMINAL IN, connection_style: PLAIN ALL ENDS, style_designator: MALE COUPLING HALF, basic_shape_style: ROUND FIRST FLUID END CONNECTION, nominal_thickness: 0.312 INCHES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-114-0913, 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
MS26549-2
NSN: 4730-00-114-0913
FSC: 4730
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialCOPPER ALLOY BODY
overall_length2.187 INCHES NOMINAL IN
connection_stylePLAIN ALL ENDS
style_designatorMALE COUPLING HALF
basic_shape_styleROUND FIRST FLUID END CONNECTION
nominal_thickness0.312 INCHES IN
bolt_hole_quantity6
quick_disconnect_methodPUSH-PULL ALL ENDS
nominal_outside_diameter4.531 INCHES IN
bolt_hole_nominal_diameter0.750 INCHES IN
specification/standard_data81349-MIL-DTL-24788 GOVERNMENT SPECIFICATION
bolt_circle_nominal_diameter3.812 INCHES IN
NSN4730-00-114-0913
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS26549-2 · 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
•
SPECIFICATION/STANDARD DATA: 81349-MIL-DTL-24788 GOVERNMENT SPECIFICATION
•
NOMINAL OUTSIDE DIAMETER: 4.531 INCHES IN
•
QUICK DISCONNECT METHOD: PUSH-PULL ALL ENDS
•
CONNECTION STYLE: PLAIN ALL ENDS
•
BASIC SHAPE STYLE: ROUND FIRST FLUID END CONNECTION
•
BOLT HOLE QUANTITY: 6
•
BOLT CIRCLE NOMINAL DIAMETER: 3.812 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA81349-MIL-DTL-24788 GOVERNMENT SPECIFICATION
NOMINAL OUTSIDE DIAMETER4.531 INCHES IN
QUICK DISCONNECT METHODPUSH-PULL ALL ENDS
CONNECTION STYLEPLAIN ALL ENDS
BASIC SHAPE STYLEROUND FIRST FLUID END CONNECTION
BOLT HOLE QUANTITY6
BOLT CIRCLE NOMINAL DIAMETER3.812 INCHES IN
OVERALL LENGTH2.187 INCHES NOMINAL IN
STYLE DESIGNATORMALE COUPLING HALF
MATERIALCOPPER ALLOY BODY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
MIL-DTL-24788Interchangeable
interchangeable cross-reference
interchangeable
MS26549-1Interchangeable
interchangeable cross-reference
interchangeable
PE1174-0 ITEM 34Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS26549-2?
MS26549-2 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace MS26549-2?
There are 3 known substitutes for MS26549-2: MIL-DTL-24788, MS26549-1, PE1174-0 ITEM 34. Substitute compatibility should be verified for your specific system.
Is MS26549-2 still available?
MS26549-2 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