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50785K143 — LOCKNUT,TUBE FITTING

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

50785K143: LOCKNUT,TUBE FITTING.

The LOCKNUT,TUBE FITTING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, nut_length: 1.0 INCHES NOMINAL IN, thread_series: NPT, width_across_flats: 0.23 INCHES NOMINAL IN, nominal_thread_size: 0.375 INCHES IN, hole_configuration_style: CONFIGURATION B. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-672-7959, 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
50785K143
NSN: 4730-01-672-7959
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 07BY4 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
nut_length1.0 INCHES NOMINAL IN
thread_seriesNPT
special_featuresSHAPE STRAIGHT, TYPE LOCKNUT, CONNECTION NPT FEMALE, FOR USE WITH AIR, NATURAL GAS, OIL, WATER, MAXIMUM PRESSURE 1,000 PSI @ 72 DEGRESS FAHRENHEIT
width_across_flats0.23 INCHES NOMINAL IN
nominal_thread_size0.375 INCHES IN
hole_configuration_styleCONFIGURATION B
thread_quantity_per_inch18
part_name_assigned_by_controlling_agencyHIGH PRESSURE BRASS PIPE FITTING
NSN4730-01-672-7959
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 50785K143 · 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
•
WIDTH ACROSS FLATS: 0.23 INCHES NOMINAL IN
•
NUT LENGTH: 1.0 INCHES NOMINAL IN
•
THREAD SERIES: NPT
•
HOLE CONFIGURATION STYLE: CONFIGURATION B
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
THREAD QUANTITY PER INCH: 18
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.23 INCHES NOMINAL IN
NUT LENGTH1.0 INCHES NOMINAL IN
THREAD SERIESNPT
HOLE CONFIGURATION STYLECONFIGURATION B
NOMINAL THREAD SIZE0.375 INCHES IN
SPECIAL FEATURESSHAPE STRAIGHT, TYPE LOCKNUT, CONNECTION NPT FEMALE, FOR USE WITH AIR, NATURAL GAS, OIL, WATER, MAXIMUM PRESSURE 1,000 PSI @ 72 DEGRESS FAHRENHEIT
PART NAME ASSIGNED BY CONTROLLING AGENCYHIGH PRESSURE BRASS PIPE FITTING
THREAD QUANTITY PER INCH18
MATERIALCOPPER ALLOY OVERALL
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 50785K143?
50785K143 is a LOCKNUT,TUBE FITTING.
What is the NSN for 50785K143?
50785K143 is cataloged in the U.S. Government catalog under NSN 4730-01-672-7959. This indicates validated use in U.S. government and defense supply chains.
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