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59121J146 — VALVE,BUTTERFLY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

59121J146: VALVE,BUTTERFLY.

The VALVE,BUTTERFLY is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 954 FLOW CONTROL DEVICE, valve_size: 8.000 INCHES IN, special_features: OPERATOR INCLUDED, style_designator: STRAIGHT THRU, mounting_facility: WAFER, operating_pressure: 285.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-312-0281, 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
59121J146
NSN: 4820-01-312-0281
FSC: 4820 — Valves, Nonpowered
CAGE: 91363 — NORRISEAL NORRIS VALUES DIV DBA DOVER CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY 954 FLOW CONTROL DEVICE
valve_size8.000 INCHES IN
special_featuresOPERATOR INCLUDED
style_designatorSTRAIGHT THRU
mounting_facilityWAFER
operating_pressure285.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
valve_operation_methodMANUAL
NSN4820-01-312-0281
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 59121J146 · 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
•
OPERATING PRESSURE: 285.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
VALVE SIZE: 8.000 INCHES IN
•
MOUNTING FACILITY: WAFER
•
MATERIAL: STEEL STEM
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSTRAIGHT THRU
OPERATING PRESSURE285.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VALVE SIZE8.000 INCHES IN
MOUNTING FACILITYWAFER
SPECIAL FEATURESOPERATOR INCLUDED
MATERIALSTEEL STEM
MATERIALRUBBER SEAT
MATERIALCOPPER ALLOY 954 FLOW CONTROL DEVICE
MATERIALIRON CAST UNS F32800 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 2
R285A147BB-2RMSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
R285A-147BB-2MM/920K177Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 59121J146?
59121J146 is a VALVE,BUTTERFLY.
What parts can replace 59121J146?
There are 2 known substitutes for 59121J146: R285A147BB-2RM, R285A-147BB-2MM/920K177. Substitute compatibility should be verified for your specific system.
What is the NSN for 59121J146?
59121J146 is cataloged in the U.S. Government catalog under NSN 4820-01-312-0281. This indicates validated use in U.S. government and defense supply chains.
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