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PartsTable / COMPONENT / 450-31M-020
450-31M-020 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The INTERFERENCE CANCELLATION UNIT is a the manufacturer industrial component. Key specifications include end_item_identification: M872A4 NSN 2330-01-497-0706. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-521-9920, 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
450-31M-020
NSN: 4820-01-521-9920
FSC: 4820
CAGE: L7976 — LINK SUSPENSION OF CANADA LP (CAN)
SPECIFICATIONS
end_item_identificationM872A4 NSN 2330-01-497-0706
NSN4820-01-521-9920
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 450-31M-020 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONM872A4 NSN 2330-01-497-0706
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
1108-00Interchangeable
interchangeable cross-reference
interchangeable
1108Interchangeable
interchangeable cross-reference
interchangeable
92527Interchangeable
interchangeable cross-reference
interchangeable
SLW01108CPInterchangeable
interchangeable cross-reference
interchangeable
NAS1676C416Interchangeable
interchangeable cross-reference
interchangeable
MS35335-59Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 450-31M-020?
450-31M-020 is a INTERFERENCE CANCELLATION UNIT.
What parts can replace 450-31M-020?
There are 13 known substitutes for 450-31M-020: 1108-00, 1108, 92527 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 450-31M-020?
450-31M-020 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-521-9920. 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