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6397389-23 — RESTRICTOR,FLUID FLOW

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

6397389-23: RESTRICTOR,FLUID FLOW.

The RESTRICTOR,FLUID FLOW is a the manufacturer industrial component. Key specifications include length: 0.370 INCHES NOMINAL IN, design_type: TUBULAR, thread_class: 3A LOCATION NOT OTHERWISE SPECIFIED A, thread_series: UNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED, orifice_diameter: 0.078 INCHES NOMINAL IN, special_features: MATL TITANIUM UNALLOYED. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-349-2420, 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
6397389-23
NSN: 4730-01-349-2420
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
length0.370 INCHES NOMINAL IN
design_typeTUBULAR
thread_class3A LOCATION NOT OTHERWISE SPECIFIED A
thread_seriesUNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED
orifice_diameter0.078 INCHES NOMINAL IN
special_featuresMATL TITANIUM UNALLOYED
thread_provisionTHREADED LOCATION NOT OTHERWISE SPECIFIED
thread_size_designator0.380-16 LOCATION NOT OTHERWISE SPECIFIED
end_item_identificationFORRESTAL CLASS CV; NIMITZ CLASS CVN;WASP CLASS LHD; TARAWA CLASS LHA; FIRE PUMPS
NSN4730-01-349-2420
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 6397389-23 · 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
•
LENGTH: 0.370 INCHES NOMINAL IN
•
THREAD PROVISION: THREADED LOCATION NOT OTHERWISE SPECIFIED
•
DESIGN TYPE: TUBULAR
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED
•
THREAD SIZE DESIGNATOR: 0.380-16 LOCATION NOT OTHERWISE SPECIFIED
•
THREAD CLASS: 3A LOCATION NOT OTHERWISE SPECIFIED A
TECHNICAL CHARACTERISTICS
LENGTH0.370 INCHES NOMINAL IN
THREAD PROVISIONTHREADED LOCATION NOT OTHERWISE SPECIFIED
DESIGN TYPETUBULAR
THREAD SERIESUNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED
THREAD SIZE DESIGNATOR0.380-16 LOCATION NOT OTHERWISE SPECIFIED
SPECIAL FEATURESMATL TITANIUM UNALLOYED
THREAD CLASS3A LOCATION NOT OTHERWISE SPECIFIED A
END ITEM IDENTIFICATIONFORRESTAL CLASS CV; NIMITZ CLASS CVN;WASP CLASS LHD; TARAWA CLASS LHA; FIRE PUMPS
ORIFICE DIAMETER0.078 INCHES NOMINAL IN
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 1
6397389 PIECE 23Same 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 6397389-23?
6397389-23 is a RESTRICTOR,FLUID FLOW.
What parts can replace 6397389-23?
There is 1 known substitute for 6397389-23: 6397389 PIECE 23. Substitute compatibility should be verified for your specific system.
What is the NSN for 6397389-23?
6397389-23 is cataloged in the U.S. Government catalog under NSN 4730-01-349-2420. This indicates validated use in U.S. government and defense supply chains.
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