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PartsTable / COMPONENT / 4730007375817
4730007375817 ✓ 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 PACKING NUT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, thread_size: 1IN-20 IN, thread_class: 2B, thread_length: 0.188 INCHES NOMINAL IN, overall_length: 0.375 INCHES NOMINAL IN, style_designator: HEXAGON, INTERNAL THREAD, SHOULDERED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-737-5817, 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
4730007375817
NSN: 4730-00-737-5817
FSC: 4730
CAGE: SCY13 — E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
SPECIFICATIONS
materialCOPPER ALLOY
thread_size1IN-20 IN
thread_class2B
thread_length0.188 INCHES NOMINAL IN
overall_length0.375 INCHES NOMINAL IN
style_designatorHEXAGON, INTERNAL THREAD, SHOULDERED
thread_directionRIGHT-HAND
length_to_shoulder0.281 INCHES NOMINAL IN
width_across_flats1.125 INCHES NOMINAL IN
screw_thread_locationINTERNAL
casehardening_indicatorNOT CASEHARDENED
smallest_inside_diameter0.563 INCHES NOMINAL IN
NSN4730-00-737-5817
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4730007375817 · 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
•
SCREW THREAD LOCATION: INTERNAL
•
MATERIAL: COPPER ALLOY
•
THREAD SIZE: 1IN-20 IN
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH ACROSS FLATS: 1.125 INCHES NOMINAL IN
•
LENGTH TO SHOULDER: 0.281 INCHES NOMINAL IN
•
SMALLEST INSIDE DIAMETER: 0.563 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SCREW THREAD LOCATIONINTERNAL
MATERIALCOPPER ALLOY
OVERALL LENGTH0.375 INCHES NOMINAL IN
THREAD SIZE1IN-20 IN
THREAD DIRECTIONRIGHT-HAND
WIDTH ACROSS FLATS1.125 INCHES NOMINAL IN
LENGTH TO SHOULDER0.281 INCHES NOMINAL IN
SMALLEST INSIDE DIAMETER0.563 INCHES NOMINAL IN
STYLE DESIGNATORHEXAGON, INTERNAL THREAD, SHOULDERED
THREAD LENGTH0.188 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
1620Interchangeable
interchangeable cross-reference
interchangeable
A1620Interchangeable
interchangeable cross-reference
interchangeable
MS15716-11Interchangeable
interchangeable cross-reference
interchangeable
17511Interchangeable
interchangeable cross-reference
interchangeable
580-516-1416442REVEPC3DInterchangeable
interchangeable cross-reference
interchangeable
B40-295PCGR9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4730007375817?
4730007375817 is a PACKING NUT.
What parts can replace 4730007375817?
There are 14 known substitutes for 4730007375817: 1620, A1620, MS15716-11 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4730007375817?
4730007375817 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-737-5817. 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