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103076 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The NUT,TUBE COUPLING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: CASTELLATED, HEXAGON, nut_height: 0.656 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-199-3608, 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
103076
NSN: 4730-00-199-3608
FSC: 4730
CAGE: 08199 — STANLEY HARRISON CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleCASTELLATED, HEXAGON
nut_height0.656 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
thread_directionRIGHT-HAND
width_across_flats1.062 INCHES NOMINAL IN
nominal_thread_size0.750 INCHES IN
bearing_surface_typeCHAMFERED
thread_quantity_per_inch16
NSN4730-00-199-3608
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 103076 · 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
•
NUT STYLE: TUBE COUPLING
•
THREAD QUANTITY PER INCH: 24
•
FEATURES PROVIDED: CASEHARDENED
•
WIDTH ACROSS FLATS: 0.687 INCHES NOMINAL IN
•
NOMINAL TUBE OUTSIDE DIAMETER: 0.187 INCHES IN
•
NUT HEIGHT: 0.281 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLETUBE COUPLING
THREAD QUANTITY PER INCH24
FEATURES PROVIDEDCASEHARDENED
WIDTH ACROSS FLATS0.687 INCHES NOMINAL IN
END ITEM IDENTIFICATIONAIRCRAFT APPLICATION
NOMINAL TUBE OUTSIDE DIAMETER0.187 INCHES IN
NUT HEIGHT0.281 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
NOMINAL THREAD SIZE0.375 INCHES IN
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
103076Interchangeable
interchangeable cross-reference
interchangeable
112285Interchangeable
interchangeable cross-reference
interchangeable
1-03076C4Interchangeable
Same NIIN cross-reference
interchangeable
1-03076J04Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 103076?
103076 is a NUT,TUBE COUPLING.
What parts can replace 103076?
There are 4 known substitutes for 103076: 103076, 112285, 1-03076C4 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 103076?
103076 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-199-3608. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026