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R285A-127AA-2R — VALVE,BUTTERFLY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

R285A-127AA-2R: VALVE,BUTTERFLY.

The VALVE,BUTTERFLY is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING STEM, valve_size: 8.000 INCHES IN, special_features: INCL GEAR OPERATOR WHICH TAKES 10 TURNS TO CLOSE THE VALVE, style_designator: STRAIGHT THRU, mounting_facility: WAFER, valve_operation_method: MANUAL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-353-2853, 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
R285A-127AA-2R
NSN: 4820-01-353-2853
FSC: 4820 — Valves, Nonpowered
CAGE: 1NB39 — DOVER RESOURCES, INC. DIV NORRISEAL (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING STEM
valve_size8.000 INCHES IN
special_featuresINCL GEAR OPERATOR WHICH TAKES 10 TURNS TO CLOSE THE VALVE
style_designatorSTRAIGHT THRU
mounting_facilityWAFER
valve_operation_methodMANUAL
NSN4820-01-353-2853
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: R285A-127AA-2R · 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
•
VALVE SIZE: 8.000 INCHES IN
•
MOUNTING FACILITY: WAFER
•
MATERIAL: STEEL CORROSION RESISTING FLOW CONTROL DEVICE
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSTRAIGHT THRU
VALVE SIZE8.000 INCHES IN
MOUNTING FACILITYWAFER
SPECIAL FEATURESINCL GEAR OPERATOR WHICH TAKES 10 TURNS TO CLOSE THE VALVE
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
MATERIALIRON CAST BODY
MATERIALSTEEL CORROSION RESISTING STEM
VALVE OPERATION METHODMANUAL
SUBSTITUTES & CROSS-REFERENCES 3
R285-127AA-2M 8 INCHReference document
Same NSN cross-reference
Reference document — Secondary reference
R285A-127AA-2MMReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
920-219Reference 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 R285A-127AA-2R?
R285A-127AA-2R is a VALVE,BUTTERFLY.
What parts can replace R285A-127AA-2R?
There are 3 known substitutes for R285A-127AA-2R: R285-127AA-2M 8 INCH, R285A-127AA-2MM, 920-219. Substitute compatibility should be verified for your specific system.
What is the NSN for R285A-127AA-2R?
R285A-127AA-2R is cataloged in the U.S. Government catalog under NSN 4820-01-353-2853. 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.