911K42U — VALVE,BUTTERFLY

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

911K42U: VALVE,BUTTERFLY.

The VALVE,BUTTERFLY is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT, valve_size: 8.000 INCHES IN, style_designator: STRAIGHT THRU, mounting_facility: WAFER, operating_pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, maximum_operating_temp: 180.0 FAHRENHEIT SINGLE RESPONSE DEGF. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-160-5757, 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

911K42U

NSN: 4820-01-160-5757
FSC: 4820 — Valves, Nonpowered
CAGE: 91363 — NORRISEAL NORRIS VALUES DIV DBA DOVER CO (USA)

SPECIFICATIONS

material	RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
valve_size	8.000 INCHES IN
style_designator	STRAIGHT THRU
mounting_facility	WAFER
operating_pressure	200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
maximum_operating_temp	180.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_method	MANUAL
material_document_and_classification	AISI 416 ASSN STD SINGLE MATERIAL RESPONSE STEM
NSN	4820-01-160-5757

COMPONENT DIAGRAM

KEY FEATURES

•

STYLE DESIGNATOR: STRAIGHT THRU

•

MATERIAL DOCUMENT AND CLASSIFICATION: AISI 416 ASSN STD SINGLE MATERIAL RESPONSE STEM

•

OPERATING PRESSURE: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS

•

VALVE SIZE: 8.000 INCHES IN

•

MAXIMUM OPERATING TEMP: 180.0 FAHRENHEIT SINGLE RESPONSE DEGF

•

MOUNTING FACILITY: WAFER

TECHNICAL CHARACTERISTICS

STYLE DESIGNATOR	STRAIGHT THRU
MATERIAL DOCUMENT AND CLASSIFICATION	AISI 416 ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A216, GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B148, ALLOY 9C ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
OPERATING PRESSURE	200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VALVE SIZE	8.000 INCHES IN
MAXIMUM OPERATING TEMP	180.0 FAHRENHEIT SINGLE RESPONSE DEGF
MOUNTING FACILITY	WAFER
MATERIAL	STEEL BODY
MATERIAL	RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT

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 3

5910F031Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

8R1020-43AA-1FMReference document

Same NSN cross-reference

Reference document — Secondary reference

911K420Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

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 911K42U?

911K42U is a VALVE,BUTTERFLY.

What parts can replace 911K42U?

There are 3 known substitutes for 911K42U: 5910F031, 8R1020-43AA-1FM, 911K420. Substitute compatibility should be verified for your specific system.

What is the NSN for 911K42U?

911K42U is cataloged in the U.S. Government catalog under NSN 4820-01-160-5757. This indicates validated use in U.S. government and defense supply chains.

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