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Technical Data Sheet
PartsTable / COMPONENT / 1787809PC6
1787809PC6 ✓ 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: STEEL OVERALL, nut_style: TUBE COUPLING, nut_height: 0.969 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNF, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-678-9722, 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
1787809PC6
NSN: 4730-00-678-9722
FSC: 4730
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleTUBE COUPLING
nut_height0.969 INCHES NOMINAL IN
thread_class2B
thread_seriesUNF
thread_directionRIGHT-HAND
surface_treatmentPHOSPHATE OVERALL
fabrication_methodMACHINED
length_to_shoulder0.594 INCHES NOMINAL IN
width_across_flats1.125 INCHES NOMINAL IN
nominal_thread_size1.000 INCHES IN
smallest_inside_diameter0.656 INCHES NOMINAL IN
NSN4730-00-678-9722
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1787809PC6 · 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 DIRECTION: RIGHT-HAND
•
NUT HEIGHT: 0.969 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 1.125 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-16232,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
THREAD CLASS: 2B
•
THREAD QUANTITY PER INCH: 14
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
NUT HEIGHT0.969 INCHES NOMINAL IN
WIDTH ACROSS FLATS1.125 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-16232,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIALSTEEL OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
THREAD CLASS2B
THREAD QUANTITY PER INCH14
THREAD SERIESUNF
NUT STYLETUBE COUPLING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
205-0326Interchangeable
interchangeable cross-reference
interchangeable
22F205-10Interchangeable
interchangeable cross-reference
interchangeable
205-10Interchangeable
interchangeable cross-reference
interchangeable
2051Interchangeable
interchangeable cross-reference
interchangeable
2038Interchangeable
interchangeable cross-reference
interchangeable
JAAV1TS101Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1787809PC6?
1787809PC6 is a NUT,TUBE COUPLING.
What parts can replace 1787809PC6?
There are 14 known substitutes for 1787809PC6: 205-0326, 22F205-10, 205-10 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1787809PC6?
1787809PC6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-678-9722. 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