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Technical Data Sheet
PartsTable / COMPONENT / 55083HX
55083HX ✓ 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 BRACKET,VEHICULAR COMPONENTS is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 955 OVERALL, duty_type: CONTINUOUS, body_style: PLAIN, SOLID, bore_style: W/ KEYWAY BOTH ENDS, teeth_type: SINGLE HELIX, tooth_form: STANDARD. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-737-7855, 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
55083HX
NSN: 4730-00-737-7855
FSC: 4730
CAGE: 89346 — NAVISTAR INTL CORP TRUCK BR OHIO PLANT (USA)
SPECIFICATIONS
materialCOPPER ALLOY 955 OVERALL
duty_typeCONTINUOUS
body_stylePLAIN, SOLID
bore_styleW/ KEYWAY BOTH ENDS
teeth_typeSINGLE HELIX
tooth_formSTANDARD
helix_angle21.2666 DEGREES
corner_shapeSQUARE LEFT FLANGE BODY CORNER
flange_width0.0910 INCHES MINIMUM AND 0.0920 INCHES MAXIMUM IN
thread_class2A SINGLE MOUNTING FACILITY A
coil_quantity1
overall_width1.620 INCHES NOMINAL IN
NSN4730-00-737-7855
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 55083HX · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
5351-018Interchangeable
interchangeable cross-reference
interchangeable
5351-18Interchangeable
interchangeable cross-reference
interchangeable
120-180Interchangeable
interchangeable cross-reference
interchangeable
112966AInterchangeable
interchangeable cross-reference
interchangeable
17T601Interchangeable
interchangeable cross-reference
interchangeable
305MInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55083HX?
55083HX is a BRACKET,VEHICULAR COMPONENTS.
What parts can replace 55083HX?
There are 28 known substitutes for 55083HX: 5351-018, 5351-18, 120-180 and 25 more. Substitute compatibility should be verified for your specific system.
Is 55083HX still available?
55083HX is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026