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PartsTable / COMPONENT / 4570 1/2IN
4570 1/2IN ✓ 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 4570 1/2IN 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 4820-00-811-6437, 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
4570 1/2IN
NSN: 4820-00-811-6437
FSC: 4820
CAGE: 38056 — ASHCROFT INC DBA HEISE (USA)
SPECIFICATIONS
Part Number4570 1/2IN
NSN4820-00-811-6437
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4570 1/2IN · 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
KEY FEATURES
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.500 INCHES ALL ENDS IN
•
CONNECTION STYLE: PLAIN, OPTIONAL END (PIPE) ALL ENDS
•
MATERIAL: COPPER ALLOY SEAT
•
OPERATING PRESSURE: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
FLOW CONTROL DEVICE: DISK
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES ALL ENDS IN
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) ALL ENDS
MATERIALCOPPER ALLOY SEAT
MATERIALCOPPER ALLOY BODY
OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
FLOW CONTROL DEVICEDISK
THREAD SERIES DESIGNATORNPT ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
72-5040Interchangeable
interchangeable cross-reference
interchangeable
A-A-2141Interchangeable
interchangeable cross-reference
interchangeable
4570Interchangeable
interchangeable cross-reference
interchangeable
1222032Interchangeable
interchangeable cross-reference
interchangeable
7905478-00Interchangeable
interchangeable cross-reference
interchangeable
10166-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4570 1/2IN?
4570 1/2IN is a 4570 1/2IN.
What parts can replace 4570 1/2IN?
There are 17 known substitutes for 4570 1/2IN: 72-5040, A-A-2141, 4570 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4570 1/2IN?
4570 1/2IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-811-6437. 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