PartsTable
Technical Data Sheet
120-059-3 ✓ Verified by PartsTable
3M · 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

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This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-143-9282, 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
120-059-3
NSN: 4730-00-143-9282
FSC: 4730
CAGE: 14901 — RUSSELL COIL CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
nut_styleTUBE COUPLING
flow_angle90.0 DEGREES
leg_length20.3 MILLIMETERS NOMINAL FIRST END MM
nut_height0.730 INCHES NOMINAL IN
seat_angle20.0 DEGREES FIRST END
reducer_typeCONCENTRIC
thread_class2A FIRST END A
overall_width0.375 INCHES NOMINAL IN
thread_seriesUNS
overall_length1.220 INCHES NOMINAL IN
connection_typeTHREADED EXTERNAL TUBE FIRST END
NSN4730-00-143-9282
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 120-059-3 · 3M ⚠ 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 25
PS1-30-5-PC42Interchangeable
interchangeable cross-reference
interchangeable
118412Interchangeable
interchangeable cross-reference
interchangeable
1866-42Interchangeable
interchangeable cross-reference
interchangeable
11264Interchangeable
interchangeable cross-reference
interchangeable
657D249-001Interchangeable
interchangeable cross-reference
interchangeable
120-059-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 120-059-3?
120-059-3 is a SLEEVE,COMPRESSION,TUBE-HOSE FIT manufactured by 3M.
What parts can replace 120-059-3?
There are 25 known substitutes for 120-059-3: PS1-30-5-PC42, 118412, 1866-42 and 22 more. Substitute compatibility should be verified for your specific system.
Is 120-059-3 still available?
120-059-3 is currently cancelled.
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