PartsTable
Technical Data Sheet
771-557 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: STEEL COMP 303 SEAT, body_style: STRAIGHT EDGE TYPE W/MOUNTING FLANGE, seat_angle: 37.0 DEGREES ALL ENDS, bonnet_type: INSIDE SCREW, thread_class: 3A ALL ENDS A, overall_width: 0.343 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-113-5482, 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
771-557
NSN: 4820-00-113-5482
FSC: 4820
CAGE: 99193 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - PHOENIX (USA)
SPECIFICATIONS
materialSTEEL COMP 303 SEAT
body_styleSTRAIGHT EDGE TYPE W/MOUNTING FLANGE
seat_angle37.0 DEGREES ALL ENDS
bonnet_typeINSIDE SCREW
thread_class3A ALL ENDS A
overall_width0.343 INCHES NOMINAL IN
terminal_typeTAB, SOLDER LUG SINGLE MATING END SINGLE CONTACT GROUPING
overall_height0.458 INCHES NOMINAL IN
overall_length3.654 INCHES NOMINAL IN
insert_materialPLASTIC DIALLYL PHTHALATE SINGLE MATING END
connection_styleFLARED (TUBE) ALL ENDS
contact_materialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
NSN4820-00-113-5482
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 771-557 · 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
SURFACE TREATMENT: PASSIVATE
THREAD SERIES DESIGNATOR: UNF ALL ENDS
STYLE DESIGNATOR: STRAIGHT THRU
SEAT ANGLE: 37.0 DEGREES ALL ENDS
OPERATING PRESSURE: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VALVE OPERATION METHOD: MANUAL
BONNET TYPE: INSIDE SCREW
FLOW CONTROL DEVICE: DISK
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTPASSIVATE
THREAD SERIES DESIGNATORUNF ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
SEAT ANGLE37.0 DEGREES ALL ENDS
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VALVE OPERATION METHODMANUAL
BONNET TYPEINSIDE SCREW
FLOW CONTROL DEVICEDISK
THREAD DIRECTIONRIGHT-HAND ALL ENDS
CONNECTION STYLEFLARED (TUBE) ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
464JInterchangeable
interchangeable cross-reference
interchangeable
771-557-900Interchangeable
interchangeable cross-reference
interchangeable
C028B102E101KInterchangeable
interchangeable cross-reference
interchangeable
610475Interchangeable
interchangeable cross-reference
interchangeable
143-018-01-1015-101Interchangeable
interchangeable cross-reference
interchangeable
RP547-76-18Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 771-557?
771-557 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 771-557?
There are 11 known substitutes for 771-557: 464J, 771-557-900, C028B102E101K and 8 more. Substitute compatibility should be verified for your specific system.
Is 771-557 still available?
771-557 is currently cancelled.
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