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MD59-1-6-BW — THREAD PIECE,UNION

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

MD59-1-6-BW: THREAD PIECE,UNION.

The THREAD PIECE,UNION is a the manufacturer industrial component. Key specifications include material: STEEL, seat_type: STRAIGHT FACE, thread_size: 0.562-18, overall_length: 1.562 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, end_connection_type: THREADED. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-126-1724, 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
MD59-1-6-BW
NSN: 4730-01-126-1724
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0ASY6 — DERBYSHIRE MARINE PRODUCTS, LLC DBA DERBYSHIRE MARINE PRODUCTS LLC (USA)
SPECIFICATIONS
materialSTEEL
seat_typeSTRAIGHT FACE
thread_size0.562-18
overall_length1.562 INCHES NOMINAL IN
thread_directionRIGHT-HAND
end_connection_typeTHREADED
screw_thread_locationEXTERNAL
union_end_thread_size1.188-12
tubing_outside_diameter0.375 INCHES NOMINAL IN
union_end_thread_directionRIGHT-HAND
nominal_pipe_size_designation0.250 INCHES IN
screw_thread_series_designatorUNF
NSN4730-01-126-1724
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MD59-1-6-BW · 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
•
UNION END THREAD DIRECTION: RIGHT-HAND
•
NOMINAL PIPE SIZE DESIGNATION: 0.250 INCHES IN
•
END CONNECTION TYPE: THREADED
•
UNION END THREAD SIZE: 1.188-12
•
SEAT TYPE: STRAIGHT FACE
•
THREAD DIRECTION: RIGHT-HAND
•
TUBING OUTSIDE DIAMETER: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
UNION END THREAD DIRECTIONRIGHT-HAND
NOMINAL PIPE SIZE DESIGNATION0.250 INCHES IN
END CONNECTION TYPETHREADED
UNION END THREAD SIZE1.188-12
OVERALL LENGTH1.562 INCHES NOMINAL IN
SEAT TYPESTRAIGHT FACE
THREAD DIRECTIONRIGHT-HAND
TUBING OUTSIDE DIAMETER0.375 INCHES NOMINAL IN
THREAD SIZE0.562-18
SCREW THREAD SERIES DESIGNATORUNF
SUBSTITUTES & CROSS-REFERENCES 3
59T-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
59T-1-SReference document
Same NSN cross-reference
Reference document — Secondary reference
MD59-1-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MD59-1-6-BW?
MD59-1-6-BW is a THREAD PIECE,UNION.
What parts can replace MD59-1-6-BW?
There are 3 known substitutes for MD59-1-6-BW: 59T-1, 59T-1-S, MD59-1-6. Substitute compatibility should be verified for your specific system.
What is the NSN for MD59-1-6-BW?
MD59-1-6-BW is cataloged in the U.S. Government catalog under NSN 4730-01-126-1724. This indicates validated use in U.S. government and defense supply chains.
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