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Technical Data Sheet
PartsTable / COMPONENT / 12FNTX-S
12FNTX-S ✓ 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,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include end_item_identification: 4210-01-622-0440, part_name_assigned_by_controlling_agency: FTG, CAP 12 JIC FST. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-647-3311, 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
12FNTX-S
NSN: 4730-00-647-3311
FSC: 4730
CAGE: 45681 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV CORPORATE HEADQUARTERS (USA)
SPECIFICATIONS
end_item_identification4210-01-622-0440
part_name_assigned_by_controlling_agencyFTG, CAP 12 JIC FST
NSN4730-00-647-3311
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 12FNTX-S · 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
KEY FEATURES
•
THREAD SERIES DESIGNATOR: UN INTERNAL
•
SPECIFICATION/STANDARD DATA: 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 81349-MIL-F-18866 GOVERNMENT SPECIFICATION AND 96906-MS51532 GOVERNMENT STANDARD
•
SEAT ANGLE: 37.0 DEGREES
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: J514 ASSN STD SINGLE TREATMENT RESPONSE BODY
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
STYLE DESIGNATOR: CAP
•
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUN INTERNAL
SPECIFICATION/STANDARD DATA81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 81349-MIL-F-18866 GOVERNMENT SPECIFICATION AND 96906-MS51532 GOVERNMENT STANDARD
SEAT ANGLE37.0 DEGREES
MATERIALSTEEL OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONJ514 ASSN STD SINGLE TREATMENT RESPONSE BODY
CRITICALITY CODE JUSTIFICATIONFEAT
STYLE DESIGNATORCAP
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
THREAD CLASS2B INTERNAL
THREAD DIRECTIONRIGHT-HAND INTERNAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
12 FNTXInterchangeable
interchangeable cross-reference
interchangeable
3052430Interchangeable
interchangeable cross-reference
interchangeable
12 FNTX-SInterchangeable
interchangeable cross-reference
interchangeable
1340330Interchangeable
Same NIIN cross-reference
interchangeable
7-445-121218Interchangeable
Same NIIN cross-reference
interchangeable
8491367Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12FNTX-S?
12FNTX-S is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace 12FNTX-S?
There are 11 known substitutes for 12FNTX-S: 12 FNTX, 3052430, 12 FNTX-S and 8 more. Substitute compatibility should be verified for your specific system.
Is 12FNTX-S still available?
12FNTX-S 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