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4-A9743AE 8IN — VALVE,BUTTERFLY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4-A9743AE 8IN: VALVE,BUTTERFLY.

The VALVE,BUTTERFLY is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY FLOW CONTROL DEVICE, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS, special_features: VALVE SIZE 8.00 IN. IN, style_designator: STRAIGHT THRU FLANGED ENDS, valve_operation_method: MANUAL.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-260-2037, 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
4-A9743AE 8IN
NSN: 4820-01-260-2037
FSC: 4820 — Valves, Nonpowered
CAGE: 27477 — MCC HOLDINGS, INC. DBA CRANE VALVE NORTH AMERICA USE CAGE CODE 59309 FOR CATALOGING (USA)
SPECIFICATIONS
materialCOPPER ALLOY FLOW CONTROL DEVICE
flange_shapeROUND WITH HOLES ALL ENDS
connection_typeFLANGE ALL ENDS
special_featuresVALVE SIZE 8.00 IN. IN
style_designatorSTRAIGHT THRU FLANGED ENDS
valve_operation_methodMANUAL
NSN4820-01-260-2037
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4-A9743AE 8IN · 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
•
CONNECTION TYPE: FLANGE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU FLANGED ENDS
•
MATERIAL: COPPER ALLOY FLOW CONTROL DEVICE
•
VALVE OPERATION METHOD: MANUAL
TECHNICAL CHARACTERISTICS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
SPECIAL FEATURESVALVE SIZE 8.00 IN. IN
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
MATERIALIRON CAST BODY
VALVE OPERATION METHODMANUAL
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
103-37901-21Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4-A9743AE 8IN?
4-A9743AE 8IN is a VALVE,BUTTERFLY.
What parts can replace 4-A9743AE 8IN?
There is 1 known substitute for 4-A9743AE 8IN: 103-37901-21. Substitute compatibility should be verified for your specific system.
What is the NSN for 4-A9743AE 8IN?
4-A9743AE 8IN is cataloged in the U.S. Government catalog under NSN 4820-01-260-2037. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.