PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 31814-PC MK181324
31814-PC MK181324 ✓ 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 joint_type: DOUBLE, design_type: SPOOL, end_connection_type: FLANGED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-365-3064, 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
31814-PC MK181324
NSN: 4730-01-365-3064
FSC: 4730
CAGE: 30009 — HYSPAN PRECISION PRODUCTS, INC. DBA HYSPAN PRECISION PRODUCTS INC (USA)
SPECIFICATIONS
joint_typeDOUBLE
design_typeSPOOL
end_connection_typeFLANGED
NSN4730-01-365-3064
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 31814-PC MK181324 · 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
•
DESIGN TYPE: SPOOL
•
JOINT TYPE: DOUBLE
•
END CONNECTION TYPE: FLANGED
TECHNICAL CHARACTERISTICS (FLIS)
DESIGN TYPESPOOL
JOINT TYPEDOUBLE
END CONNECTION TYPEFLANGED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
31814Interchangeable
interchangeable cross-reference
interchangeable
DA373700Interchangeable
interchangeable cross-reference
interchangeable
400-0406Interchangeable
interchangeable cross-reference
interchangeable
14-546Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 31814-PC MK181324?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 31814-PC MK181324?
31814-PC MK181324 is a EXPANSION JOINT,PIPE.
What parts can replace 31814-PC MK181324?
There are 4 known substitutes for 31814-PC MK181324: 31814, DA373700, 400-0406 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31814-PC MK181324?
31814-PC MK181324 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-365-3064. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 31814-PC MK181324

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026