PartsTable
Technical Data Sheet
MS51813-6 ✓ 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, flow_angle: 90.0 DEGREES, leg_length: 1.020 INCHES NOMINAL SECOND END IN, seat_angle: 12.0 DEGREES FIRST END, thread_class: 2A FIRST END A, connection_type: THREADED INTERNAL PIPE SECOND END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-912-9115, 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
MS51813-6
NSN: 4730-00-912-9115
FSC: 4730
CAGE: 01276 — DANFOSS POWER SOLUTIONS II, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flow_angle90.0 DEGREES
leg_length1.020 INCHES NOMINAL SECOND END IN
seat_angle12.0 DEGREES FIRST END
thread_class2A FIRST END A
connection_typeTHREADED INTERNAL PIPE SECOND END
connection_stylePLAIN (PIPE) SECOND END
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.750 INCHES FIRST END IN
maximum_operating_temp-65.0 FAHRENHEIT SECOND RESPONSE DEGF
media_for_which_designedAIR SECOND RESPONSE
thread_series_designatorUNF FIRST END
NSN4730-00-912-9115
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS51813-6 · 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
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: J514 ASSN STD SINGLE TREATMENT RESPONSE AND QQ-P-416, TY 1, CL 3B FED SPEC 1ST TREATMENT RESPONSE OVERALL
THREAD SERIES DESIGNATOR: NPTF SECOND END
SPECIFICATION/STANDARD DATA: 96906-MS51813 GOVERNMENT STANDARD AND 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
FLOW ANGLE: 90.0 DEGREES
MEDIA FOR WHICH DESIGNED: AIR SECOND RESPONSE
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
LEG LENGTH: 1.020 INCHES NOMINAL SECOND END IN
CONNECTION STYLE: FLARELESS (TUBE) FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONJ514 ASSN STD SINGLE TREATMENT RESPONSE AND QQ-P-416, TY 1, CL 3B FED SPEC 1ST TREATMENT RESPONSE OVERALL
THREAD SERIES DESIGNATORNPTF SECOND END
SPECIFICATION/STANDARD DATA96906-MS51813 GOVERNMENT STANDARD AND 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
FLOW ANGLE90.0 DEGREES
MEDIA FOR WHICH DESIGNEDAIR SECOND RESPONSE
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
LEG LENGTH1.020 INCHES NOMINAL SECOND END IN
CONNECTION STYLEFLARELESS (TUBE) FIRST END
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID FIRST RESPONSE
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT FIRST RESPONSE DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
8-6 080203CA-PHOSInterchangeable
interchangeable cross-reference
interchangeable
J514Interchangeable
interchangeable cross-reference
interchangeable
MS51813-6PInterchangeable
interchangeable cross-reference
interchangeable
423254Interchangeable
interchangeable cross-reference
interchangeable
8DBU-SInterchangeable
Same NIIN cross-reference
interchangeable
4730009129115Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS51813-6?
MS51813-6 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace MS51813-6?
There are 9 known substitutes for MS51813-6: 8-6 080203CA-PHOS, J514, MS51813-6P and 6 more. Substitute compatibility should be verified for your specific system.
Is MS51813-6 still available?
MS51813-6 is currently cancelled.
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