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Technical Data Sheet
PartsTable / COMPONENT / 348275
348275 ✓ 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

PARTS KIT,BEARING REPLACEMENT,ME. Key specifications include material: PAPER AND GLUE OVERALL, hole_diameter: 0.469 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 5.250 INCHES NOMINAL IN, aperture_width: 2.438 INCHES NOMINAL IN, overall_length: 5.281 INCHES NOMINAL IN, aperture_length: 3.125 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-018-9566, 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
348275
NSN: 4730-00-018-9566
FSC: 4730
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialPAPER AND GLUE OVERALL
hole_diameter0.469 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width5.250 INCHES NOMINAL IN
aperture_width2.438 INCHES NOMINAL IN
overall_length5.281 INCHES NOMINAL IN
aperture_length3.125 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-G-12803,NO. +3313-B MIL SPEC ALL MATERIAL RESPONSES OVERALL
NSN4730-00-018-9566
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 348275 · 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 33
53338Interchangeable
interchangeable cross-reference
interchangeable
50658Interchangeable
interchangeable cross-reference
interchangeable
2136700G001Interchangeable
interchangeable cross-reference
interchangeable
X-100REDInterchangeable
interchangeable cross-reference
interchangeable
B67077Interchangeable
interchangeable cross-reference
interchangeable
1225829-28Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 348275?
348275 is a PARTS KIT,BEARING REPLACEMENT,ME.
What parts can replace 348275?
There are 33 known substitutes for 348275: 53338, 50658, 2136700G001 and 30 more. Substitute compatibility should be verified for your specific system.
Is 348275 still available?
348275 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