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38404REVC ✓ 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 EXPANSION JOINT,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 1.8 MILLIMETERS MINIMUM AND 2.2 MILLIMETERS MAXIMUM MM, input_phase: THREE FIRST VOLTAGE RATING, thread_class: 2A STUD THREAD A, hole_diameter: 8.40 MILLIMETERS MINIMUM AND 8.62 MILLIMETERS MAXIMUM MM, overall_depth: 5.000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-341-5240, 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
38404REVC
NSN: 4730-01-341-5240
FSC: 4730
CAGE: 70510 — HYSPAN PRECISION PRODUCTS, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness1.8 MILLIMETERS MINIMUM AND 2.2 MILLIMETERS MAXIMUM MM
input_phaseTHREE FIRST VOLTAGE RATING
thread_class2A STUD THREAD A
hole_diameter8.40 MILLIMETERS MINIMUM AND 8.62 MILLIMETERS MAXIMUM MM
overall_depth5.000 INCHES NOMINAL IN
overall_width24.625 INCHES NOMINAL IN
thread_length1.500 INCHES NOMINAL NUT THREAD IN
overall_height18.250 INCHES NOMINAL IN
overall_length34.688 INCHES NOMINAL IN
panel_materialALUMINUM
panel_quantity1
NSN4730-01-341-5240
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 38404REVC · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
UDB-940300Interchangeable
interchangeable cross-reference
interchangeable
38404Interchangeable
interchangeable cross-reference
interchangeable
38323Interchangeable
interchangeable cross-reference
interchangeable
21086CInterchangeable
interchangeable cross-reference
interchangeable
19263BInterchangeable
interchangeable cross-reference
interchangeable
SB155GPNInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 38404REVC?
38404REVC is a EXPANSION JOINT,PIPE.
What parts can replace 38404REVC?
There are 7 known substitutes for 38404REVC: UDB-940300, 38404, 38323 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 38404REVC?
38404REVC is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-341-5240. 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