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Technical Data Sheet
PartsTable / COMPONENT / 557-2C
557-2C ✓ 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 VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY SEAT, connection_type: UNTHREADED EXTERNAL HOSE ALL ENDS, connection_style: BEADED (HOSE) ALL ENDS, style_designator: STRAIGHT THRU, mounting_position: HORIZONTAL OR VERTICAL, disk_loading_method: SPRING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-202-7043, 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
557-2C
NSN: 4820-00-202-7043
FSC: 4820
CAGE: 99551 — GOODRICH CORPORATION DBA GOODRICH CORP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY SEAT
connection_typeUNTHREADED EXTERNAL HOSE ALL ENDS
connection_styleBEADED (HOSE) ALL ENDS
style_designatorSTRAIGHT THRU
mounting_positionHORIZONTAL OR VERTICAL
disk_loading_methodSPRING
flow_control_deviceDISK
valve_operation_methodAUTOMATIC
NSN4820-00-202-7043
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 557-2C · 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
•
STYLE DESIGNATOR: STRAIGHT THRU
•
CONNECTION TYPE: UNTHREADED EXTERNAL HOSE ALL ENDS
•
VALVE OPERATION METHOD: AUTOMATIC
•
CONNECTION STYLE: BEADED (HOSE) ALL ENDS
•
MOUNTING POSITION: HORIZONTAL OR VERTICAL
•
MATERIAL: ALUMINUM ALLOY SEAT
•
DISK LOADING METHOD: SPRING
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSTRAIGHT THRU
CONNECTION TYPEUNTHREADED EXTERNAL HOSE ALL ENDS
VALVE OPERATION METHODAUTOMATIC
CONNECTION STYLEBEADED (HOSE) ALL ENDS
MOUNTING POSITIONHORIZONTAL OR VERTICAL
MATERIALALUMINUM ALLOY SEAT
MATERIALALUMINUM ALLOY SEAT
DISK LOADING METHODSPRING
MATERIALALUMINUM ALLOY BODY
STYLE DESIGNATORSTRAIGHT THRU
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
MS 16624-1050Interchangeable
interchangeable cross-reference
interchangeable
P18B1774-19Interchangeable
interchangeable cross-reference
interchangeable
418-010-160Interchangeable
interchangeable cross-reference
interchangeable
1803268Interchangeable
interchangeable cross-reference
interchangeable
5572Interchangeable
interchangeable cross-reference
interchangeable
AS954 TY1CL1STAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 557-2C?
557-2C is a VALVE,CHECK.
What parts can replace 557-2C?
There are 10 known substitutes for 557-2C: MS 16624-1050, P18B1774-19, 418-010-160 and 7 more. Substitute compatibility should be verified for your specific system.
Is 557-2C still available?
557-2C is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026