PartsTable
Technical Data Sheet
MS77 ✓ 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 ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 360 OVERALL, seat_angle: 45.0 DEGREES FIRST END, thread_class: 2A FIRST END A, overall_length: 9.250 INCHES MINIMUM AND 10.500 INCHES MAXIMUM IN, connection_type: THREADED EXTERNAL PIPE SECOND END, connection_style: FLARED (TUBE) FIRST END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-266-0536, 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
MS77
NSN: 4730-00-266-0536
FSC: 4730
CAGE: 80195 — ED ETNYRE & CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY 360 OVERALL
seat_angle45.0 DEGREES FIRST END
thread_class2A FIRST END A
overall_length9.250 INCHES MINIMUM AND 10.500 INCHES MAXIMUM IN
connection_typeTHREADED EXTERNAL PIPE SECOND END
connection_styleFLARED (TUBE) FIRST END
special_featuresUSED ON GRUMMAN A10 AIRCRAFT
operating_pressure500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
nominal_thread_size0.250 INCHES SECOND END IN
nominal_overall_length1.343 INCHES IN
compound_lever_cut_typeRIGHT-HAND
end_item_identificationCRANE-SHOVEL,TRUCK MOUNTED,20 TON 3/4 CU YDZ; QUICKWAY MODEL M202
NSN4730-00-266-0536
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS77 · 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: REFRIGERATION COMPOUND SINGLE RESPONSE
OPERATING PRESSURE: 4600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
THREAD SERIES DESIGNATOR: NPT SECOND END
NOMINAL THREAD SIZE: 0.250 INCHES SECOND END IN
THREAD CLASS: 2A FIRST END A
TECHNICAL CHARACTERISTICS (FLIS)
MEDIA FOR WHICH DESIGNEDREFRIGERATION COMPOUND SINGLE RESPONSE
OPERATING PRESSURE4600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
OPERATING PRESSURE500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
THREAD SERIES DESIGNATORNPT SECOND END
NOMINAL THREAD SIZE0.250 INCHES SECOND END IN
NOMINAL THREAD SIZE0.500 INCHES FIRST END IN
THREAD CLASS2A FIRST END A
THREAD SERIES DESIGNATORUNF FIRST END
CONNECTION STYLEFLARED (TUBE) FIRST END
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES SECOND END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
0204-8-8BInterchangeable
interchangeable cross-reference
interchangeable
46X8X8Interchangeable
interchangeable cross-reference
interchangeable
J512Interchangeable
interchangeable cross-reference
interchangeable
U1-4CInterchangeable
interchangeable cross-reference
interchangeable
648-F-04X06Interchangeable
interchangeable cross-reference
interchangeable
A1197Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS77?
MS77 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace MS77?
There are 33 known substitutes for MS77: 0204-8-8B, 46X8X8, J512 and 30 more. Substitute compatibility should be verified for your specific system.
Is MS77 still available?
MS77 is currently cancelled.
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