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Technical Data Sheet
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705FB3 ✓ 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 INVERTED NUT,TUBE COUPLING is a the manufacturer industrial component. Key specifications include phase: THREE, degasser: NOT INCLUDED, governor: NOT INCLUDED, material: STEEL OVERALL, body_width: 2.420 INCHES MAXIMUM IN, float_type: SINGLE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-013-7397, 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
705FB3
NSN: 4730-00-013-7397
FSC: 4730
CAGE: 05415 — LINDE LIFT TRUCK CORP. (USA)
SPECIFICATIONS
phaseTHREE
degasserNOT INCLUDED
governorNOT INCLUDED
materialSTEEL OVERALL
body_width2.420 INCHES MAXIMUM IN
float_typeSINGLE
point_typeCONVENTIONAL
port_styleGASKET SEAL LOCATION NOT OTHERWISE SPECIFIED
seat_angle46.5 DEGREES NOMINAL
body_height1.150 INCHES MAXIMUM IN
body_length2.750 INCHES MAXIMUM IN
point_angle118.0 DEGREES NOMINAL
NSN4730-00-013-7397
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 705FB3 · 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 30
121400Interchangeable
interchangeable cross-reference
interchangeable
100-4Interchangeable
interchangeable cross-reference
interchangeable
100-10528Interchangeable
interchangeable cross-reference
interchangeable
11070Interchangeable
interchangeable cross-reference
interchangeable
10045377Interchangeable
interchangeable cross-reference
interchangeable
105X4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 705FB3?
705FB3 is a INVERTED NUT,TUBE COUPLING.
What parts can replace 705FB3?
There are 30 known substitutes for 705FB3: 121400, 100-4, 100-10528 and 27 more. Substitute compatibility should be verified for your specific system.
Is 705FB3 still available?
705FB3 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