PartsTable
Technical Data Sheet
MS51525B16-12 ✓ 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 CORROSION RESISTING OVERALL, seat_angle: 37.0 DEGREES FIRST END, thread_class: 2A SECOND END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: FLARED (TUBE) FIRST END, nominal_thread_size: 1.063 INCHES SECOND END IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-714-6079, 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
MS51525B16-12
NSN: 4730-00-714-6079
FSC: 4730
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
seat_angle37.0 DEGREES FIRST END
thread_class2A SECOND END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_styleFLARED (TUBE) FIRST END
nominal_thread_size1.063 INCHES SECOND END IN
nominal_overall_length2.120 INCHES IN
thread_quantity_per_inch12 SECOND END
thread_series_designatorUN SECOND END
nominal_outside_diameter_tube_accommodated1.000 INCHES FIRST END IN
NSN4730-00-714-6079
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS51525B16-12 · 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
CONNECTION STYLE: FLARED (TUBE) FIRST END
THREAD QUANTITY PER INCH: 12 ALL ENDS
THREAD CLASS: 2A ALL ENDS A
CONNECTION TYPE: THREADED EXTERNAL BOSS SECOND END
THREAD SERIES DESIGNATOR: UN ALL ENDS
FURNISHED ITEMS AND QUANTITY: 1 TUBE COUPLING NUT AND 1 COUPLING SLEEVE AND 1 PREFORMED PACKING
SPECIFICATION/STANDARD DATA: 96906-MS51525 GOVERNMENT STANDARD AND 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NOMINAL OVERALL LENGTH: 2.040 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEFLARED (TUBE) FIRST END
THREAD QUANTITY PER INCH12 ALL ENDS
THREAD CLASS2A ALL ENDS A
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
THREAD SERIES DESIGNATORUN ALL ENDS
FURNISHED ITEMS AND QUANTITY1 TUBE COUPLING NUT AND 1 COUPLING SLEEVE AND 1 PREFORMED PACKING
SPECIFICATION/STANDARD DATA96906-MS51525 GOVERNMENT STANDARD AND 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NOMINAL OVERALL LENGTH2.040 INCHES IN
NONDEFINITIVE SPEC/STD DATA3B FIGURE
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
GGG-T-70Interchangeable
interchangeable cross-reference
interchangeable
11246Interchangeable
interchangeable cross-reference
interchangeable
A-A-625Interchangeable
interchangeable cross-reference
interchangeable
MS51525B16-12Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-18866Interchangeable
interchangeable cross-reference
interchangeable
9188854Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS51525B16-12?
MS51525B16-12 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace MS51525B16-12?
There are 12 known substitutes for MS51525B16-12: GGG-T-70, 11246, A-A-625 and 9 more. Substitute compatibility should be verified for your specific system.
Is MS51525B16-12 still available?
MS51525B16-12 is currently cancelled.
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