920L181 — VALVE,BUTTERFLY

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

920L181: VALVE,BUTTERFLY.

The VALVE,BUTTERFLY is a the manufacturer industrial component. Key specifications include material: IRON CAST UNS F32800 BODY, valve_size: 10.000 INCHES IN, special_features: WITH WEATHERPROOF WORM AND GEAR OPERATOR, 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 4820-01-309-9934, 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

920L181

NSN: 4820-01-309-9934
FSC: 4820 — Valves, Nonpowered
CAGE: 1NB39 — DOVER RESOURCES, INC. DIV NORRISEAL (USA)

SPECIFICATIONS

material	IRON CAST UNS F32800 BODY
valve_size	10.000 INCHES IN
special_features	WITH WEATHERPROOF WORM AND GEAR OPERATOR
style_designator	STRAIGHT THRU
mounting_facility	WAFER
operating_pressure	285.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
valve_operation_method	MANUAL
material_document_and_classification	ASTM B148 ALLOY 958 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
NSN	4820-01-309-9934

COMPONENT DIAGRAM

KEY FEATURES

•

STYLE DESIGNATOR: STRAIGHT THRU

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A395 ALLOY 60-40-18 ASSN STD SINGLE MATERIAL RESPONSE BODY

•

OPERATING PRESSURE: 285.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS

•

VALVE SIZE: 10.000 INCHES IN

•

MOUNTING FACILITY: WAFER

•

MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING

TECHNICAL CHARACTERISTICS

STYLE DESIGNATOR	STRAIGHT THRU
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A395 ALLOY 60-40-18 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B148 ALLOY 958 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
OPERATING PRESSURE	285.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VALVE SIZE	10.000 INCHES IN
MOUNTING FACILITY	WAFER
SPECIAL FEATURES	WITH WEATHERPROOF WORM AND GEAR OPERATOR
MATERIAL	RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
MATERIAL	STEEL CORROSION RESISTING STEM
MATERIAL	COPPER ALLOY 958 FLOW CONTROL DEVICE

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

R285A-147AA-2MM 10INCHReference document

Same NSN cross-reference

Reference document — Design control — primary 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 920L181?

920L181 is a VALVE,BUTTERFLY.

What parts can replace 920L181?

There is 1 known substitute for 920L181: R285A-147AA-2MM 10INCH. Substitute compatibility should be verified for your specific system.

What is the NSN for 920L181?

920L181 is cataloged in the U.S. Government catalog under NSN 4820-01-309-9934. This indicates validated use in U.S. government and defense supply chains.

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920L181 — VALVE,BUTTERFLY

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