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PartsTable / COMPONENT / 1787809PC5
1787809PC5 ✓ 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 RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1212 OR STEEL COMP 1118 OVERALL, nut_style: TUBE COUPLING, nut_height: 0.906 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 4730-00-678-9723, 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
1787809PC5
NSN: 4730-00-678-9723
FSC: 4730
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 1212 OR STEEL COMP 1118 OVERALL
nut_styleTUBE COUPLING
nut_height0.906 INCHES NOMINAL IN
thread_class2B
thread_seriesUNF
thread_directionRIGHT-HAND
surface_treatmentPHOSPHATE OVERALL
fabrication_methodMACHINED
length_to_shoulder0.594 INCHES NOMINAL IN
width_across_flats1.000 INCHES NOMINAL IN
nominal_thread_size0.875 INCHES IN
smallest_inside_diameter0.531 INCHES NOMINAL IN
NSN4730-00-678-9723
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1787809PC5 · 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
•
FABRICATION METHOD: MACHINED
•
LENGTH TO SHOULDER: 0.594 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1212 OR STEEL COMP 1118 OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-16232,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-637 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
THREAD CLASS: 2B
•
THREAD SERIES: UNF
TECHNICAL CHARACTERISTICS (FLIS)
FABRICATION METHODMACHINED
LENGTH TO SHOULDER0.594 INCHES NOMINAL IN
MATERIALSTEEL COMP 1212 OR STEEL COMP 1118 OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-16232,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-637 FED SPEC ALL MATERIAL RESPONSES OVERALL
THREAD CLASS2B
THREAD SERIESUNF
THREAD QUANTITY PER INCH14
NUT STYLETUBE COUPLING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
72-2539-106Interchangeable
interchangeable cross-reference
interchangeable
2AP253Interchangeable
interchangeable cross-reference
interchangeable
150-411KPC266Interchangeable
interchangeable cross-reference
interchangeable
43812Interchangeable
interchangeable cross-reference
interchangeable
37892Interchangeable
interchangeable cross-reference
interchangeable
20-139Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1787809PC5?
1787809PC5 is a RELAY,ELECTROMAGNETIC.
What parts can replace 1787809PC5?
There are 20 known substitutes for 1787809PC5: 72-2539-106, 2AP253, 150-411KPC266 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1787809PC5?
1787809PC5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-678-9723. 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