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Technical Data Sheet
PartsTable / COMPONENT / U-1/2-B
U-1/2-B ✓ 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 U-1/2-B is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4330-01-572-4778, 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
U-1/2-B
NSN: 4330-01-572-4778
FSC: 4330
CAGE: 45150 — FESTO CORPORATION (USA)
SPECIFICATIONS
Part NumberU-1/2-B
NSN4330-01-572-4778
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available U-1/2-B TITLE COMPONENT PN U-1/2-B MFR U-1/2-B
KEY FEATURES
•
INLET CONNECTION QUANTITY: 1
•
MATERIAL: ALUMINUM LOCATION NOT OTHERWISE SPECIFIED
•
INLET CONNECTION TYPE: THREADED SINGLE INLET
•
OPERATING POSITION: UNIVERSAL
•
OVERALL DIAMETER: 28.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION4820-01-571-8545 AND 4820-01-571-9485 SOLENOID VALVES; NEW CONSTRUCTION LCS1
OVERALL LENGTH116.5 MILLIMETERS NOMINAL MM
INLET CONNECTION QUANTITY1
MATERIALALUMINUM LOCATION NOT OTHERWISE SPECIFIED
INLET CONNECTION TYPETHREADED SINGLE INLET
OPERATING POSITIONUNIVERSAL
OVERALL DIAMETER28.0 MILLIMETERS NOMINAL MM
SPECIAL FEATURESMATERIALS: HOUSING IS DIE-CAST ALUMINUM; SILENCER INSERT IS POLYETHYLENE; PNEUMATIC CONNECTION: G1/2
INLET PROJECTION LENGTH9.0 MILLIMETERS NOMINAL SINGLE INLET MM
BODY SHAPEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
42-6880-350-250Interchangeable
interchangeable cross-reference
interchangeable
3B5316Interchangeable
interchangeable cross-reference
interchangeable
108658Interchangeable
interchangeable cross-reference
interchangeable
792-402952Interchangeable
interchangeable cross-reference
interchangeable
6844Interchangeable
interchangeable cross-reference
interchangeable
14560AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is U-1/2-B?
U-1/2-B is a U-1/2-B.
What parts can replace U-1/2-B?
There are 13 known substitutes for U-1/2-B: 42-6880-350-250, 3B5316, 108658 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for U-1/2-B?
U-1/2-B is cataloged in the Federal Logistics Information System (FLIS) under NSN 4330-01-572-4778. 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