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Technical Data Sheet
PartsTable / COMPONENT / 16BTXD
16BTXD ✓ 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 NUT,TUBE COUPLING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, nut_style: TUBE COUPLING, nut_height: 1.120 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 4730-01-010-0143, 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
16BTXD
NSN: 4730-01-010-0143
FSC: 4730
CAGE: 45681 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV CORPORATE HEADQUARTERS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
nut_styleTUBE COUPLING
nut_height1.120 INCHES NOMINAL IN
seat_angle37.0 DEGREES NOMINAL
thread_class2B
thread_seriesUN
thread_directionRIGHT-HAND
fabrication_methodMACHINED
width_across_flats1.500 INCHES NOMINAL IN
nominal_thread_size0.312 INCHES IN
smallest_inside_diameter1.005 INCHES NOMINAL IN
thread_quantity_per_inch12
NSN4730-01-010-0143
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 16BTXD · 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
•
NUT STYLE: TUBE COUPLING
•
NOMINAL THREAD SIZE: 0.312 INCHES IN
•
NOMINAL TUBE OUTSIDE DIAMETER: 1.000 INCHES IN
•
THREAD QUANTITY PER INCH: 12
•
SEAT ANGLE: 37.0 DEGREES NOMINAL
•
THREAD SERIES: UN
•
SMALLEST INSIDE DIAMETER: 1.005 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLETUBE COUPLING
NOMINAL THREAD SIZE0.312 INCHES IN
NOMINAL TUBE OUTSIDE DIAMETER1.000 INCHES IN
THREAD QUANTITY PER INCH12
SEAT ANGLE37.0 DEGREES NOMINAL
THREAD SERIESUN
SMALLEST INSIDE DIAMETER1.005 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY OVERALL
THREAD DIRECTIONRIGHT-HAND
WIDTH ACROSS FLATS1.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
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 16BTXD?
16BTXD is a NUT,TUBE COUPLING.
What parts can replace 16BTXD?
There are 27 known substitutes for 16BTXD: 11240409-5, 3-2149-7, A318 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 16BTXD?
16BTXD is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-010-0143. 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