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Technical Data Sheet
PartsTable / COMPONENT / 12BTXB
12BTXB ✓ 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 material: COPPER ALLOY OVERALL, nut_style: TUBE COUPLING, nut_height: 1.020 INCHES NOMINAL IN, seat_angle: 37.0 DEGREES NOMINAL, thread_class: 2B, thread_series: UN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-965-1186, 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
12BTXB
NSN: 4730-00-965-1186
FSC: 4730
CAGE: 30780 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV TUBE FITTINGS DIVISION (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
nut_styleTUBE COUPLING
nut_height1.020 INCHES NOMINAL IN
seat_angle37.0 DEGREES NOMINAL
thread_class2B
thread_seriesUN
thread_directionRIGHT-HAND
fabrication_methodMACHINED
length_to_shoulder0.603 INCHES NOMINAL IN
width_across_flats1.250 INCHES NOMINAL IN
nominal_thread_size1.062 INCHES IN
smallest_inside_diameter0.688 INCHES NOMINAL IN
NSN4730-00-965-1186
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 12BTXB · 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
•
SMALLEST INSIDE DIAMETER: 0.688 INCHES NOMINAL IN
•
SEAT ANGLE: 37.0 DEGREES NOMINAL
•
NUT STYLE: TUBE COUPLING
•
LENGTH TO SHOULDER: 0.603 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OVERALL
•
NOMINAL TUBE OUTSIDE DIAMETER: 0.750 INCHES IN
•
NUT HEIGHT: 1.020 INCHES NOMINAL IN
•
FABRICATION METHOD: MACHINED
TECHNICAL CHARACTERISTICS (FLIS)
SMALLEST INSIDE DIAMETER0.688 INCHES NOMINAL IN
SEAT ANGLE37.0 DEGREES NOMINAL
NUT STYLETUBE COUPLING
LENGTH TO SHOULDER0.603 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
NOMINAL TUBE OUTSIDE DIAMETER0.750 INCHES IN
NUT HEIGHT1.020 INCHES NOMINAL IN
FABRICATION METHODMACHINED
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
11240409-5Interchangeable
interchangeable cross-reference
interchangeable
3-2149-7Interchangeable
interchangeable cross-reference
interchangeable
A318Interchangeable
interchangeable cross-reference
interchangeable
AN818-20JInterchangeable
interchangeable cross-reference
interchangeable
GN10FA-20Interchangeable
interchangeable cross-reference
interchangeable
811BT5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12BTXB?
12BTXB is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 12BTXB?
There are 31 known substitutes for 12BTXB: 11240409-5, 3-2149-7, A318 and 28 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12BTXB?
12BTXB is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-965-1186. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026