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Technical Data Sheet
PartsTable / COMPONENT / MS51892-6PB
MS51892-6PB ✓ 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: 1.250 INCHES NOMINAL FIRST END IN, seat_angle: 12.0 DEGREES THIRD END, thread_class: 2A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE THIRD END, connection_style: FLARELESS (TUBE) THIRD END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-800-1735, 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
MS51892-6PB
NSN: 4730-00-800-1735
FSC: 4730
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL OVERALL
leg_length1.250 INCHES NOMINAL FIRST END IN
seat_angle12.0 DEGREES THIRD END
thread_class2A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE THIRD END
connection_styleFLARELESS (TUBE) THIRD END
surface_treatmentPHOSPHATE OVERALL
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.750 INCHES ALL ENDS IN
maximum_operating_temp121.0 CELSIUS SINGLE RESPONSE DEGC
media_for_which_designedAIR SECOND RESPONSE
thread_series_designatorUNF ALL ENDS
NSN4730-00-800-1735
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS51892-6PB · 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
•
MAXIMUM OPERATING TEMP: 121.0 CELSIUS SINGLE RESPONSE DEGC
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES SECOND END IN
•
LEG LENGTH: 1.250 INCHES NOMINAL FIRST END IN
•
MEDIA FOR WHICH DESIGNED: AIR SECOND RESPONSE
•
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
SPECIFICATION/STANDARD DATA: 96906-MS51892 GOVERNMENT STANDARD
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MAXIMUM OPERATING TEMP121.0 CELSIUS SINGLE RESPONSE DEGC
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES SECOND END IN
LEG LENGTH1.250 INCHES NOMINAL FIRST END IN
MEDIA FOR WHICH DESIGNEDAIR SECOND RESPONSE
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
SPECIFICATION/STANDARD DATA96906-MS51892 GOVERNMENT STANDARD
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID FIRST RESPONSE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS IN
NONDEFINITIVE SPEC/STD DATA14A FIGURE AND 19 TABLE A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
10386313Interchangeable
interchangeable cross-reference
interchangeable
4730004667467Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-18866Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-21467Interchangeable
interchangeable cross-reference
interchangeable
6-6 080220CA-PHInterchangeable
interchangeable cross-reference
interchangeable
16700093NInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS51892-6PB?
MS51892-6PB is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace MS51892-6PB?
There are 24 known substitutes for MS51892-6PB: 10386313, 4730004667467, MIL-F-18866 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS51892-6PB?
MS51892-6PB is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-800-1735. 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