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Technical Data Sheet
PartsTable / COMPONENT / 4730PL1605655
4730PL1605655 ✓ 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: ALUMINUM ALLOY OVERALL, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3B FIRST END, connection_type: THREADED EXTERNAL HOSE GRIPPING SECOND END, connection_style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END, special_features: USED ON BOEING VERTOLCARGO TRANSPORT HELICOPTER,MODEL CH-47. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-585-6212, 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
4730PL1605655
NSN: 4730-00-585-6212
FSC: 4730
CAGE: 9009H — JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX (POL)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
seat_angle37.0 DEGREES FIRST END
thread_class3B FIRST END
connection_typeTHREADED EXTERNAL HOSE GRIPPING SECOND END
connection_styleSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
special_featuresUSED ON BOEING VERTOLCARGO TRANSPORT HELICOPTER,MODEL CH-47
surface_treatmentANODIZE OVERALL
nominal_thread_size1.312 INCHES FIRST END IN
nominal_overall_length2.641 INCHES IN
thread_quantity_per_inch12 FIRST END
thread_series_designatorUN FIRST END
specification/standard_data81349-MIL-F-83798 GOVERNMENT SPECIFICATION AND 81349-MIL-F-83798/1-16 GOVERNMENT SPECIFICATION
NSN4730-00-585-6212
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4730PL1605655 · 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: ALUMINUM ALLOY OVERALL
•
NOMINAL THREAD SIZE: 1.312 INCHES FIRST END IN
•
SURFACE TREATMENT: ANODIZE OVERALL
•
THREAD QUANTITY PER INCH: 12 FIRST END
•
SPECIFICATION/STANDARD DATA: 81349-MIL-F-83798 GOVERNMENT SPECIFICATION AND 81349-MIL-F-83798/1-16 GOVERNMENT SPECIFICATION
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.875 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALALUMINUM ALLOY OVERALL
NOMINAL THREAD SIZE1.312 INCHES FIRST END IN
SURFACE TREATMENTANODIZE OVERALL
THREAD QUANTITY PER INCH12 FIRST END
SPECIFICATION/STANDARD DATA81349-MIL-F-83798 GOVERNMENT SPECIFICATION AND 81349-MIL-F-83798/1-16 GOVERNMENT SPECIFICATION
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.875 INCHES SECOND END IN
SPECIAL FEATURESUSED ON BOEING VERTOLCARGO TRANSPORT HELICOPTER,MODEL CH-47
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.000 INCHES FIRST END IN
THREAD SERIES DESIGNATORUN FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
136-2045-16DInterchangeable
interchangeable cross-reference
interchangeable
25636-16-16DInterchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-83798Interchangeable
interchangeable cross-reference
interchangeable
51616CInterchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-83798/6Interchangeable
interchangeable cross-reference
interchangeable
M83798/6-16Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4730PL1605655?
4730PL1605655 is a ADAPTER,STRAIGHT,TUBE TO HOSE.
What parts can replace 4730PL1605655?
There are 25 known substitutes for 4730PL1605655: 136-2045-16D, 25636-16-16D, MIL-DTL-83798 and 22 more. Substitute compatibility should be verified for your specific system.
Is 4730PL1605655 still available?
4730PL1605655 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026