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6243076 — NUT,UNION

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

6243076: NUT,UNION.

The NUT,UNION is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, nut_style: HEXAGON, nut_height: 1.000 INCHES NOMINAL IN, thread_class: 2B, thread_series: UN, shoulder_width: 0.016 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-370-7759, 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
6243076
NSN: 4730-01-370-7759
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
nut_styleHEXAGON
nut_height1.000 INCHES NOMINAL IN
thread_class2B
thread_seriesUN
shoulder_width0.016 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_across_flats1.375 INCHES NOMINAL IN
nominal_thread_size1.188 INCHES IN
shoulder_step_width0.250 INCHES NOMINAL IN
smallest_inside_diameter0.878 INCHES NOMINAL IN
thread_quantity_per_inch12
NSN4730-01-370-7759
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 6243076 · 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: 1.375 INCHES NOMINAL IN
•
SHOULDER STEP WIDTH: 0.250 INCHES NOMINAL IN
•
SHOULDER WIDTH: 0.016 INCHES NOMINAL IN
•
THREAD SERIES: UN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.188 INCHES IN
•
NUT HEIGHT: 1.000 INCHES NOMINAL IN
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.375 INCHES NOMINAL IN
SHOULDER STEP WIDTH0.250 INCHES NOMINAL IN
SHOULDER WIDTH0.016 INCHES NOMINAL IN
THREAD SERIESUN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.188 INCHES IN
NUT HEIGHT1.000 INCHES NOMINAL IN
NUT STYLEHEXAGON
THREAD CLASS2B
THREAD QUANTITY PER INCH12
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 2
943P7-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
571-6670330 PIECE 7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 6243076?
6243076 is a NUT,UNION.
What parts can replace 6243076?
There are 2 known substitutes for 6243076: 943P7-1, 571-6670330 PIECE 7. Substitute compatibility should be verified for your specific system.
What is the NSN for 6243076?
6243076 is cataloged in the U.S. Government catalog under NSN 4730-01-370-7759. This indicates validated use in U.S. government and defense supply chains.
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