911D511 — VALVE,BUTTERFLY

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

911D511: VALVE,BUTTERFLY.

The VALVE,BUTTERFLY is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING, special_features: VALVE SIZE 2.500 IN. IN, style_designator: STRAIGHT THRU, mounting_facility: WAFER, valve_operation_method: MANUAL, material_document_and_classification: QQ-N-288 COMP A OR E FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-212-9970, 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

911D511

NSN: 4820-01-212-9970
FSC: 4820 — Valves, Nonpowered
CAGE: 1NB39 — DOVER RESOURCES, INC. DIV NORRISEAL (USA)

SPECIFICATIONS

material	RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
special_features	VALVE SIZE 2.500 IN. IN
style_designator	STRAIGHT THRU
mounting_facility	WAFER
valve_operation_method	MANUAL
material_document_and_classification	QQ-N-288 COMP A OR E FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
NSN	4820-01-212-9970

COMPONENT DIAGRAM

KEY FEATURES

•

STYLE DESIGNATOR: STRAIGHT THRU

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY

•

MOUNTING FACILITY: WAFER

•

MATERIAL: NICKEL ALLOY FLOW CONTROL DEVICE

TECHNICAL CHARACTERISTICS

STYLE DESIGNATOR	STRAIGHT THRU
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B164 CLASS A ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-288 COMP A OR E FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MOUNTING FACILITY	WAFER
SPECIAL FEATURES	VALVE SIZE 2.500 IN. IN
MATERIAL	NICKEL ALLOY FLOW CONTROL DEVICE
MATERIAL	RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
MATERIAL	RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
MATERIAL	COPPER ALLOY 922 BODY

SUBSTITUTES & CROSS-REFERENCES 2

911-511Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

2-5 R2030-64AA-2EMONReference 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 911D511?

911D511 is a VALVE,BUTTERFLY.

What parts can replace 911D511?

There are 2 known substitutes for 911D511: 911-511, 2-5 R2030-64AA-2EMON. Substitute compatibility should be verified for your specific system.

What is the NSN for 911D511?

911D511 is cataloged in the U.S. Government catalog under NSN 4820-01-212-9970. This indicates validated use in U.S. government and defense supply chains.

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