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77-020N-5917R30 — VALVE,BUTTERFLY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

77-020N-5917R30: VALVE,BUTTERFLY.

The VALVE,BUTTERFLY is a the manufacturer industrial component. Key specifications include material: BRONZE BODY, valve_size: 2.00 INCHES IN, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS, special_features: BARE SHAFT, style_designator: STRAIGHT THRU FLANGED ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-656-3062, 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
77-020N-5917R30
NSN: 4820-01-656-3062
FSC: 4820 — Valves, Nonpowered
CAGE: 6SPR5 — FLOWLINE VALVE AND CONTROLS, L.L.C. (USA)
SPECIFICATIONS
materialBRONZE BODY
valve_size2.00 INCHES IN
flange_shapeROUND WITH HOLES ALL ENDS
connection_typeFLANGE ALL ENDS
special_featuresBARE SHAFT
style_designatorSTRAIGHT THRU FLANGED ENDS
mounting_facilityLUG(S)
bolt_hole_quantity4 ALL ENDS
flange_face_designRAISED STRAIGHT ALL ENDS
face_to_face_distance1.69 INCHES IN
bolt_circle_nominal_diameter4.75 INCHES ALL ENDS IN
raised_face_nominal_diameter3.62 INCHES ALL ENDS IN
NSN4820-01-656-3062
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 77-020N-5917R30 · 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
•
FLANGE SHAPE: ROUND WITH HOLES ALL ENDS
•
FLANGE FACE DESIGN: RAISED STRAIGHT ALL ENDS
•
BOLT CIRCLE NOMINAL DIAMETER: 4.75 INCHES ALL ENDS IN
•
CONNECTION TYPE: FLANGE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU FLANGED ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B148 C95800 ASSN STD SINGLE MATERIAL RESPONSE BODY
TECHNICAL CHARACTERISTICS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER4.75 INCHES ALL ENDS IN
CONNECTION TYPEFLANGE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B148 C95800 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A494 -35-1 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B865 N05500 ASSN STD SINGLE MATERIAL RESPONSE STEM
VALVE SIZE2.00 INCHES IN
MOUNTING FACILITYLUG(S)
SUBSTITUTES & CROSS-REFERENCES 1
FL 77N-0150-1AB-R1 REV DReference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 77-020N-5917R30?
77-020N-5917R30 is a VALVE,BUTTERFLY.
What parts can replace 77-020N-5917R30?
There is 1 known substitute for 77-020N-5917R30: FL 77N-0150-1AB-R1 REV D. Substitute compatibility should be verified for your specific system.
What is the NSN for 77-020N-5917R30?
77-020N-5917R30 is cataloged in the U.S. Government catalog under NSN 4820-01-656-3062. This indicates validated use in U.S. government and defense supply chains.
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