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PartsTable / COMPONENT / NN-19-1 SYMBOL 47
NN-19-1 SYMBOL 47 ✓ 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: IRON NUT, surface_treatment: ZINC NUT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-144-3113, 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
NN-19-1 SYMBOL 47
NSN: 4730-01-144-3113
FSC: 4730
CAGE: 54370 — ALFA LAVAL INC. (USA)
SPECIFICATIONS
materialIRON NUT
surface_treatmentZINC NUT
NSN4730-01-144-3113
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: NN-19-1 SYMBOL 47 · 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
•
MATERIAL: IRON NUT
•
SURFACE TREATMENT: ZINC NUT
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALIRON NUT
SURFACE TREATMENTZINC NUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
NN100PC72Interchangeable
interchangeable cross-reference
interchangeable
NN-19-1Interchangeable
interchangeable cross-reference
interchangeable
3N112PC72Interchangeable
interchangeable cross-reference
interchangeable
NN24-2PC40Interchangeable
interchangeable cross-reference
interchangeable
3N6PC40Interchangeable
interchangeable cross-reference
interchangeable
3N48ALT6PC40Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NN-19-1 SYMBOL 47?
NN-19-1 SYMBOL 47 is a NUT,TUBE COUPLING.
What parts can replace NN-19-1 SYMBOL 47?
There are 21 known substitutes for NN-19-1 SYMBOL 47: NN100PC72, NN-19-1, 3N112PC72 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NN-19-1 SYMBOL 47?
NN-19-1 SYMBOL 47 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-144-3113. 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