PartsTable
Technical Data Sheet
2773383 ✓ 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

ADAPTER,STRAIGHT,FLANGE TO HOSE. Key specifications include material: COPPER ALLOY OVERALL, flange_shape: ROUND WITH HOLES FIRST END, connection_type: FLANGE FIRST END, connection_style: SWIVEL NUT, GASKET SEAL (HOSE) SECOND END, nominal_thickness: 0.562 INCHES FIRST END IN, bolt_hole_quantity: 12 FIRST END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-3383, 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
2773383
NSN: 4730-00-277-3383
FSC: 4730
CAGE: 065J6 — VMC DISTRIBUTION CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
flange_shapeROUND WITH HOLES FIRST END
connection_typeFLANGE FIRST END
connection_styleSWIVEL NUT, GASKET SEAL (HOSE) SECOND END
nominal_thickness0.562 INCHES FIRST END IN
bolt_hole_quantity12 FIRST END
flange_face_designPLAIN FIRST END
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size2.500 INCHES SECOND END IN
maximum_operating_temp218.3 CELSIUS SINGLE RESPONSE DEGC
nominal_overall_length1.687 INCHES IN
media_for_which_designedWATER-OIL-GAS SINGLE RESPONSE
NSN4730-00-277-3383
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 2773383 · 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: COPPER ALLOY OVERALL
NOMINAL OUTSIDE DIAMETER: 10.125 INCHES FIRST END IN
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS SINGLE RESPONSE
OPERATING PRESSURE: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD SERIES DESIGNATOR: NH SECOND END
NOMINAL THICKNESS: 0.562 INCHES FIRST END IN
NOMINAL THREAD SIZE: 2.500 INCHES SECOND END IN
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 2.500 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY OVERALL
NOMINAL OUTSIDE DIAMETER10.125 INCHES FIRST END IN
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD SERIES DESIGNATORNH SECOND END
NOMINAL THICKNESS0.562 INCHES FIRST END IN
NOMINAL THREAD SIZE2.500 INCHES SECOND END IN
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED2.500 INCHES SECOND END IN
NOMINAL OVERALL LENGTH1.687 INCHES IN
BOLT HOLE NOMINAL DIAMETER0.625 INCHES FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
SC6461Interchangeable
interchangeable cross-reference
interchangeable
N1275Interchangeable
interchangeable cross-reference
interchangeable
C6498Interchangeable
interchangeable cross-reference
interchangeable
B104B176Interchangeable
interchangeable cross-reference
interchangeable
CS4730-0141Interchangeable
interchangeable cross-reference
interchangeable
B104ANDB176Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2773383?
2773383 is a ADAPTER,STRAIGHT,FLANGE TO HOSE.
What parts can replace 2773383?
There are 11 known substitutes for 2773383: SC6461, N1275, C6498 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2773383?
2773383 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-3383. This indicates validated use in U.S. government and defense supply chains.
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