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Technical Data Sheet
PartsTable / COMPONENT / 6BZ-A
6BZ-A ✓ 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: 0.562 INCHES NOMINAL IN, thread_class: 3B, thread_series: UN, special_features: SUPPORTS GRUMMAN A10 AIRCRAFT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-763-7958, 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
6BZ-A
NSN: 4730-00-763-7958
FSC: 4730
CAGE: 54938 — PARKER-HANNIFIN CORPORATION DIV INSTRUMENTATION PRODUCTS DIVISION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
nut_styleTUBE COUPLING
nut_height0.562 INCHES NOMINAL IN
thread_class3B
thread_seriesUN
special_featuresSUPPORTS GRUMMAN A10 AIRCRAFT
thread_directionRIGHT-HAND
surface_treatmentANODIZE OVERALL
length_to_shoulder0.531 INCHES NOMINAL IN
width_across_flats0.688 INCHES NOMINAL IN
nominal_thread_size0.562 INCHES IN
smallest_inside_diameter0.375 INCHES NOMINAL IN
NSN4730-00-763-7958
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 6BZ-A · 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 CLASS: 3B
•
SURFACE TREATMENT: ANODIZE OVERALL
•
MATERIAL: ALUMINUM ALLOY OVERALL
•
NUT HEIGHT: 0.562 INCHES NOMINAL IN
•
NOMINAL TUBE OUTSIDE DIAMETER: 0.375 INCHES IN
•
SMALLEST INSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 0.688 INCHES NOMINAL IN
•
NUT STYLE: TUBE COUPLING
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3B
SURFACE TREATMENTANODIZE OVERALL
MATERIALALUMINUM ALLOY OVERALL
NUT HEIGHT0.562 INCHES NOMINAL IN
NOMINAL TUBE OUTSIDE DIAMETER0.375 INCHES IN
SMALLEST INSIDE DIAMETER0.375 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.688 INCHES NOMINAL IN
NUT STYLETUBE COUPLING
THREAD SERIESUN
SPECIAL FEATURESSUPPORTS GRUMMAN A10 AIRCRAFT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
5995Interchangeable
interchangeable cross-reference
interchangeable
N17594Interchangeable
interchangeable cross-reference
interchangeable
9108186Interchangeable
interchangeable cross-reference
interchangeable
376A4757Interchangeable
interchangeable cross-reference
interchangeable
A-6021Interchangeable
interchangeable cross-reference
interchangeable
6BZDInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6BZ-A?
6BZ-A is a NUT,TUBE COUPLING.
What parts can replace 6BZ-A?
There are 6 known substitutes for 6BZ-A: 5995, N17594, 9108186 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6BZ-A?
6BZ-A is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-763-7958. 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