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Technical Data Sheet
PartsTable / COMPONENT / 378320
378320 ✓ Verified by PartsTable
— · PIPE SECTION
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
PRODUCT OVERVIEW

The SPARK PLUG is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 360 OVERALL, nut_style: CONE SEAT, HEXAGON, nut_height: 0.530 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNS, cone_seat_angle: 29.0 DEGREES MINIMUM AND 31.0 DEGREES MAXIMUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-00-658-3634, 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
378320
NSN: 4710-00-658-3634
FSC: 4710
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialCOPPER ALLOY 360 OVERALL
nut_styleCONE SEAT, HEXAGON
nut_height0.530 INCHES NOMINAL IN
thread_class2B
thread_seriesUNS
cone_seat_angle29.0 DEGREES MINIMUM AND 31.0 DEGREES MAXIMUM
thread_directionRIGHT-HAND
width_across_flats0.500 INCHES NOMINAL IN
nominal_thread_size0.437 INCHES IN
thread_quantity_per_inch24
material_document_and_classificationQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN4710-00-658-3634
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 378320 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
33 813413Interchangeable
interchangeable cross-reference
interchangeable
386939Interchangeable
interchangeable cross-reference
interchangeable
384734Interchangeable
interchangeable cross-reference
interchangeable
11022226Interchangeable
interchangeable cross-reference
interchangeable
378320Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 378320?
378320 is a SPARK PLUG.
What parts can replace 378320?
There are 5 known substitutes for 378320: 33 813413, 386939, 384734 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 378320?
378320 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-00-658-3634. 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