PartsTable
Technical Data Sheet
MS51512A4 ✓ 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,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, leg_length: 0.860 INCHES MINIMUM AND 0.920 INCHES MAXIMUM FIRST END IN, seat_angle: 37.0 DEGREES SECOND END, thread_class: 2A SECOND END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: FLARED (TUBE) SECOND END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-522-1909, 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
MS51512A4
NSN: 4730-00-522-1909
FSC: 4730
CAGE: 98441 — PARKER HANNIFIN CORP DBA PNEUTRONICS DIV STRATOFLEX PRODUCTS DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
leg_length0.860 INCHES MINIMUM AND 0.920 INCHES MAXIMUM FIRST END IN
seat_angle37.0 DEGREES SECOND END
thread_class2A SECOND END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_styleFLARED (TUBE) SECOND END
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.438 INCHES FIRST END IN
maximum_operating_temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
end_item_identification26F AIRCRAFT, F-16
media_for_which_designedHYDRAULIC FLUID SINGLE RESPONSE
thread_series_designatorNPTF THIRD END
NSN4730-00-522-1909
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS51512A4 · 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
NONDEFINITIVE SPEC/STD DATA: 5D FIGURE
SEAT ANGLE: 37.0 DEGREES SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN
CONNECTION STYLE: FLARED (TUBE) SECOND END
THREAD CLASS: 2A SECOND END A
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATA5D FIGURE
SEAT ANGLE37.0 DEGREES SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
CONNECTION STYLEFLARED (TUBE) SECOND END
CONNECTION STYLEFLARED (TUBE) FIRST END
SEAT ANGLE37.0 DEGREES FIRST END
THREAD CLASS2A SECOND END A
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION STYLEPLAIN (PIPE) THIRD END
NOMINAL THREAD SIZE0.438 INCHES SECOND END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
1444Interchangeable
interchangeable cross-reference
interchangeable
9444Interchangeable
interchangeable cross-reference
interchangeable
0110-0019Interchangeable
interchangeable cross-reference
interchangeable
4330PL1523170Interchangeable
interchangeable cross-reference
interchangeable
SC125Interchangeable
interchangeable cross-reference
interchangeable
300223-453Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS51512A4?
MS51512A4 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace MS51512A4?
There are 21 known substitutes for MS51512A4: 1444, 9444, 0110-0019 and 18 more. Substitute compatibility should be verified for your specific system.
Is MS51512A4 still available?
MS51512A4 is currently cancelled.
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