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Technical Data Sheet
PartsTable / COMPONENT / 0-521-326
0-521-326 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The VALVE ASSY-CHECK--- is a the manufacturer industrial component. Key specifications include end_item_identification: ARSS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1660-00-487-0075, 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
0-521-326
NSN: 1660-00-487-0075
FSC: 1660
CAGE: 04577 — MISSION SYSTEMS ORCHARD PARK INC (USA)
SPECIFICATIONS
end_item_identificationARSS
NSN1660-00-487-0075
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE ASSY-CHECK--- TITLE COMPONENT PN 0-521-326 MFR VALVE ASSY-CHECK---
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
FFS85TYPE2STYLE10PGRADE5Interchangeable
interchangeable cross-reference
interchangeable
802291Interchangeable
interchangeable cross-reference
interchangeable
179843Interchangeable
interchangeable cross-reference
interchangeable
CH-7402K3Interchangeable
interchangeable cross-reference
interchangeable
7402Interchangeable
interchangeable cross-reference
interchangeable
152023C-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0-521-326?
0-521-326 is a VALVE ASSY-CHECK---.
What parts can replace 0-521-326?
There are 19 known substitutes for 0-521-326: FFS85TYPE2STYLE10PGRADE5, 802291, 179843 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 0-521-326?
0-521-326 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1660-00-487-0075. 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