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Technical Data Sheet
PartsTable / COMPONENT / 6BU-SS
6BU-SS ✓ 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 criticality_code_justification: ZZZY, reference_number_differentiating_characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-800-4790, 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
6BU-SS
NSN: 4730-00-800-4790
FSC: 4730
CAGE: 30780 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV TUBE FITTINGS DIVISION (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
NSN4730-00-800-4790
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 6BU-SS · 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
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
SPECIFICATION/STANDARD DATA: 96906-MS51823 GOVERNMENT STANDARD AND 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
NONDEFINITIVE SPEC/STD DATA: 31 FIGURE
•
THREAD SERIES: UNF
•
SEAT ANGLE: 40.00 DEGREES NOMINAL
•
SMALLEST INSIDE DIAMETER: 0.380 INCHES NOMINAL IN
•
NUT STYLE: TUBE COUPLING
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING OVERALL
SPECIFICATION/STANDARD DATA96906-MS51823 GOVERNMENT STANDARD AND 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE TREATMENTPASSIVATE OVERALL
NONDEFINITIVE SPEC/STD DATA31 FIGURE
THREAD SERIESUNF
SEAT ANGLE40.00 DEGREES NOMINAL
SMALLEST INSIDE DIAMETER0.380 INCHES NOMINAL IN
NUT STYLETUBE COUPLING
NOMINAL TUBE OUTSIDE DIAMETER0.375 INCHES IN
WIDTH ACROSS FLATS0.688 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
10386313Interchangeable
interchangeable cross-reference
interchangeable
4730004667467Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-18866Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-21467Interchangeable
interchangeable cross-reference
interchangeable
6-6 080220CA-PHInterchangeable
interchangeable cross-reference
interchangeable
16700093NInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6BU-SS?
6BU-SS is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace 6BU-SS?
There are 24 known substitutes for 6BU-SS: 10386313, 4730004667467, MIL-F-18866 and 21 more. Substitute compatibility should be verified for your specific system.
Is 6BU-SS still available?
6BU-SS 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