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Technical Data Sheet
PartsTable / COMPONENT / 48-1-4X1-4
48-1-4X1-4 ✓ 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,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include arbor: NOT INCLUDED, height: 1.375 INCHES NOMINAL IN, diameter: 4.188 INCHES NOMINAL IN, end_type: GLAND NUT W/INTERNAL THREAD FIRST END, material: STEEL OVERALL, unit_type: 3-JAW KEY. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-266-0533, 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
48-1-4X1-4
NSN: 4730-00-266-0533
FSC: 4730
CAGE: 77844 — ROBERT MANUFACTURING COMPANY INC (USA)
SPECIFICATIONS
arborNOT INCLUDED
height1.375 INCHES NOMINAL IN
diameter4.188 INCHES NOMINAL IN
end_typeGLAND NUT W/INTERNAL THREAD FIRST END
materialSTEEL OVERALL
unit_type3-JAW KEY
body_styleRECTANGULAR SHAPE
body_width1.400 INCHES MAXIMUM IN
seat_angle45.0 DEGREES ALL ENDS
shaft_typeROUND SINGLE ACTUATOR
voice_coilINCLUDED
body_height1.200 INCHES MAXIMUM IN
NSN4730-00-266-0533
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 48-1-4X1-4 · 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
5308Interchangeable
interchangeable cross-reference
interchangeable
273351Interchangeable
interchangeable cross-reference
interchangeable
722688Interchangeable
interchangeable cross-reference
interchangeable
181365Interchangeable
interchangeable cross-reference
interchangeable
54403Interchangeable
interchangeable cross-reference
interchangeable
913014Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 48-1-4X1-4?
48-1-4X1-4 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 48-1-4X1-4?
There are 33 known substitutes for 48-1-4X1-4: 5308, 273351, 722688 and 30 more. Substitute compatibility should be verified for your specific system.
Is 48-1-4X1-4 still available?
48-1-4X1-4 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