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MS51818-28 — ADAPTER,STRAIGHT,TUBE TO BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

MS51818-28: ADAPTER,STRAIGHT,TUBE TO BOSS.

The ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1118 OR STEEL COMP 12L14 OR STEEL COMP 1213 OVERALL, leg_length: 1.220 INCHES NOMINAL THIRD END IN, seat_angle: 12.0 DEGREES FIRST END, thread_class: 2A FIRST END A, connection_type: THREADED EXTERNAL TUBE SECOND END, connection_style: PLAIN (PIPE) THIRD END. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-288-9504, 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
MS51818-28
NSN: 4730-00-288-9504
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 COMP 1118 OR STEEL COMP 12L14 OR STEEL COMP 1213 OVERALL
leg_length1.220 INCHES NOMINAL THIRD END IN
seat_angle12.0 DEGREES FIRST END
thread_class2A FIRST END A
connection_typeTHREADED EXTERNAL TUBE SECOND END
connection_stylePLAIN (PIPE) THIRD END
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.375 INCHES THIRD END IN
maximum_operating_temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
media_for_which_designedAIR FIRST RESPONSE
thread_series_designatorUNF FIRST END
nondefinitive_spec/std_data22D FIGURE
NSN4730-00-288-9504
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS51818-28 · 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: 2 TUBE COUPLING NUT W/SLEEVE
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: J514 ASSN STD SINGLE TREATMENT RESPONSE AND QQ-P-416, TY 2, CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CONNECTION STYLE: PLAIN (PIPE) THIRD END
•
CONNECTION TYPE: THREADED EXTERNAL PIPE THIRD END
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY2 TUBE COUPLING NUT W/SLEEVE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONJ514 ASSN STD SINGLE TREATMENT RESPONSE AND QQ-P-416, TY 2, CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLEPLAIN (PIPE) THIRD END
CONNECTION STYLEFLARELESS (TUBE) SECOND END
CONNECTION STYLEFLARELESS (TUBE) FIRST END
CONNECTION TYPETHREADED EXTERNAL PIPE THIRD END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES SECOND END IN
SUBSTITUTES & CROSS-REFERENCES 9
66097Reference document
Same NSN cross-reference
Reference document — Secondary reference
J514Reference document
Same NSN cross-reference
Reference document — Secondary reference
7605X8Reference document
Same NSN cross-reference
Reference document — Secondary reference
8SBU-SReference document
Same NSN cross-reference
Reference document — Secondary reference
423608Reference document
Same NSN cross-reference
Reference document — Secondary reference
MIL-DTL-18866Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS51818-28?
MS51818-28 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace MS51818-28?
There are 9 known substitutes for MS51818-28: 66097, J514, 7605X8 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS51818-28?
MS51818-28 is cataloged in the U.S. Government catalog under NSN 4730-00-288-9504. This indicates validated use in U.S. government and defense supply chains.
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