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PartsTable / COMPONENT / EF57D 1.00IN
EF57D 1.00IN ✓ 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 EF57D 1.00IN 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 4820-01-370-8096, 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
EF57D 1.00IN
NSN: 4820-01-370-8096
FSC: 4820
CAGE: 86520 — CONBRACO INDUSTRIES INC R-P AND C VALVE DIV (USA)
SPECIFICATIONS
Part NumberEF57D 1.00IN
NSN4820-01-370-8096
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: EF57D 1.00IN · 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
•
VALVE SIZE: 1.000 INCHES IN
•
STEM TYPE: RISING
•
MATERIAL: STEEL COMP 410 STEM
•
VALVE OPERATION METHOD: MANUAL
•
BONNET ATTACHMENT METHOD: BOLTED
•
NOMINAL PIPE SIZE ACCOMMODATED: 1.000 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
VALVE SIZE1.000 INCHES IN
STEM TYPERISING
MATERIALSTEEL COMP 410 STEM
VALVE OPERATION METHODMANUAL
MATERIALSTEEL DISK
MATERIALSTEEL COMP 410 SEAT
BONNET ATTACHMENT METHODBOLTED
NOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES IN
PRESSURE CLASSERR-060
CONNECTION TYPESOCKET, WELD, PIPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
807-18Interchangeable
interchangeable cross-reference
interchangeable
CS4820-0014EINRXInterchangeable
interchangeable cross-reference
interchangeable
81551-01-1INInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is EF57D 1.00IN?
EF57D 1.00IN is a EF57D 1.00IN.
What parts can replace EF57D 1.00IN?
There are 3 known substitutes for EF57D 1.00IN: 807-18, CS4820-0014EINRX, 81551-01-1IN. Substitute compatibility should be verified for your specific system.
What is the NSN for EF57D 1.00IN?
EF57D 1.00IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-370-8096. 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