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MS51816-8PA — ADAPTER,STRAIGHT,PIPE TO TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

MS51816-8PA: ADAPTER,STRAIGHT,PIPE TO TUBE.

The ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: STEEL NUT, seat_angle: 12.0 DEGREES FIRST END, thread_class: 2A FIRST END A, connection_type: THREADED INTERNAL PIPE SECOND END, connection_style: PLAIN (PIPE) SECOND END, surface_treatment: PHOSPHATE OUTSIDE. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-954-6043, 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
MS51816-8PA
NSN: 4730-00-954-6043
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL NUT
seat_angle12.0 DEGREES FIRST END
thread_class2A FIRST END A
connection_typeTHREADED INTERNAL PIPE SECOND END
connection_stylePLAIN (PIPE) SECOND END
surface_treatmentPHOSPHATE OUTSIDE
nominal_thread_size0.750 INCHES SECOND END IN
nominal_overall_length1.813 INCHES IN
thread_quantity_per_inch12 FIRST END
thread_series_designatorUN FIRST END
nondefinitive_spec/std_data96906 MS51816 SPECIFICATION SHEET
specification/standard_data81349 - MIL-F-18866 GOVERNMENT SPECIFICATION
NSN4730-00-954-6043
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS51816-8PA · 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
•
FURNISHED ITEMS AND QUANTITY: 1 FERRULE SLEEVE AND 1 SHORT COUPLING NUT
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.750 INCHES SECOND END IN
•
CONNECTION STYLE: FLARELESS (TUBE) FIRST END
•
NOMINAL OVERALL LENGTH: 1.813 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.750 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 FERRULE SLEEVE AND 1 SHORT COUPLING NUT
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES SECOND END IN
CONNECTION STYLEFLARELESS (TUBE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
NOMINAL OVERALL LENGTH1.813 INCHES IN
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.750 INCHES FIRST END IN
NOMINAL THREAD SIZE0.750 INCHES SECOND END IN
NOMINAL THREAD SIZE1.062 INCHES FIRST END IN
SUBSTITUTES & CROSS-REFERENCES 6
12-12 080103CAAReference document
Same NSN cross-reference
Reference document — Secondary reference
MS51816-8AReference document
Same NSN cross-reference
Reference document — Secondary reference
12GBUSReference document
Same NSN cross-reference
Reference document — Secondary reference
MIL-DTL-18866Reference document
Same NSN cross-reference
Reference document — Identification reference
J514Reference document
Same NSN cross-reference
Reference document — Secondary reference
MIL-F-18866Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS51816-8PA?
MS51816-8PA is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace MS51816-8PA?
There are 6 known substitutes for MS51816-8PA: 12-12 080103CAA, MS51816-8A, 12GBUS and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS51816-8PA?
MS51816-8PA is cataloged in the U.S. Government catalog under NSN 4730-00-954-6043. This indicates validated use in U.S. government and defense supply chains.
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