PartsTable
Technical Data Sheet
4C4730-8-8 ✓ 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 ADAPTER,STRAIGHT,TUBE TO HOSE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, seat_angle: 37.0 DEGREES FIRST END, thread_class: 2B FIRST END, nominal_thread_size: 0.750 INCHES FIRST END IN, nominal_overall_length: 3.200 INCHES IN, thread_series_designator: UNF FIRST END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-073-5971, 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
4C4730-8-8
NSN: 4730-00-073-5971
FSC: 4730
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
seat_angle37.0 DEGREES FIRST END
thread_class2B FIRST END
nominal_thread_size0.750 INCHES FIRST END IN
nominal_overall_length3.200 INCHES IN
thread_series_designatorUNF FIRST END
furnished_items_and_quantity1 SOCKET
criticality_code_justificationZZZY
material_document_and_classificationQQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
nominal_inside_diameter_hose_accommodated0.500 INCHES SECOND END IN
nominal_outside_diameter_tube_accommodated0.500 INCHES FIRST END IN
reference_number_differentiating_characteristicsMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
NSN4730-00-073-5971
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4C4730-8-8 · 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
NOMINAL OVERALL LENGTH: 3.200 INCHES IN
FURNISHED ITEMS AND QUANTITY: 1 SOCKET
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.500 INCHES SECOND END IN
SEAT ANGLE: 37.0 DEGREES FIRST END
CRITICALITY CODE JUSTIFICATION: ZZZY
NOMINAL THREAD SIZE: 0.750 INCHES FIRST END IN
MATERIAL: NICKEL ALLOY OVERALL
THREAD SERIES DESIGNATOR: UNF FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL OVERALL LENGTH3.200 INCHES IN
FURNISHED ITEMS AND QUANTITY1 SOCKET
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.500 INCHES SECOND END IN
SEAT ANGLE37.0 DEGREES FIRST END
CRITICALITY CODE JUSTIFICATIONZZZY
NOMINAL THREAD SIZE0.750 INCHES FIRST END IN
MATERIALNICKEL ALLOY OVERALL
THREAD SERIES DESIGNATORUNF FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
EF-1602A-0808Interchangeable
interchangeable cross-reference
interchangeable
CMC-4-5503-08-08Interchangeable
interchangeable cross-reference
interchangeable
M24787/2 GR II TYP AInterchangeable
interchangeable cross-reference
interchangeable
4730-8-8SF10Interchangeable
Same NIIN cross-reference
interchangeable
4-4730-8-8L1Interchangeable
Same NIIN cross-reference
interchangeable
4730-8-8SL1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4C4730-8-8?
4C4730-8-8 is a ADAPTER,STRAIGHT,TUBE TO HOSE.
What parts can replace 4C4730-8-8?
There are 11 known substitutes for 4C4730-8-8: EF-1602A-0808, CMC-4-5503-08-08, M24787/2 GR II TYP A and 8 more. Substitute compatibility should be verified for your specific system.
Is 4C4730-8-8 still available?
4C4730-8-8 is currently cancelled.
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