11-51-004-1IN — VALVE,DIAPHRAGM,STOP

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

11-51-004-1IN: VALVE,DIAPHRAGM,STOP.

The VALVE,DIAPHRAGM,STOP is a the manufacturer industrial component. Key specifications include material: IRON ALLOY BODY, valve_size: 1.000 INCHES IN, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS, style_designator: STRAIGHT THRU FLANGED ENDS, bolt_hole_quantity: 4 ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-287-0418, 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

11-51-004-1IN

NSN: 4820-01-287-0418
FSC: 4820 — Valves, Nonpowered
CAGE: 25203 — ROCKWELL INTL CORP FLOW CONTROL DIV (USA)

SPECIFICATIONS

material	IRON ALLOY BODY
valve_size	1.000 INCHES IN
flange_shape	ROUND WITH HOLES ALL ENDS
connection_type	FLANGE ALL ENDS
style_designator	STRAIGHT THRU FLANGED ENDS
bolt_hole_quantity	4 ALL ENDS
flange_face_design	PLAIN ALL ENDS
face_to_face_distance	4.875 INCHES IN
valve_operation_method	MANUAL
nominal_outside_diameter	4.250 INCHES ALL ENDS IN
bolt_hole_nominal_diameter	0.625 INCHES ALL ENDS IN
bolt_circle_nominal_diameter	3.125 INCHES ALL ENDS IN
NSN	4820-01-287-0418

COMPONENT DIAGRAM

KEY FEATURES

•

FLANGE SHAPE: ROUND WITH HOLES ALL ENDS

•

FLANGE FACE DESIGN: PLAIN ALL ENDS

•

BOLT CIRCLE NOMINAL DIAMETER: 3.125 INCHES ALL ENDS IN

•

CONNECTION TYPE: FLANGE ALL ENDS

•

STYLE DESIGNATOR: STRAIGHT THRU FLANGED ENDS

•

BOLT HOLE NOMINAL DIAMETER: 0.625 INCHES ALL ENDS IN

•

VALVE SIZE: 1.000 INCHES IN

•

NOMINAL OUTSIDE DIAMETER: 4.250 INCHES ALL ENDS IN

TECHNICAL CHARACTERISTICS

FLANGE SHAPE	ROUND WITH HOLES ALL ENDS
FLANGE FACE DESIGN	PLAIN ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER	3.125 INCHES ALL ENDS IN
CONNECTION TYPE	FLANGE ALL ENDS
STYLE DESIGNATOR	STRAIGHT THRU FLANGED ENDS
BOLT HOLE NOMINAL DIAMETER	0.625 INCHES ALL ENDS IN
VALVE SIZE	1.000 INCHES IN
NOMINAL OUTSIDE DIAMETER	4.250 INCHES ALL ENDS IN
BOLT HOLE QUANTITY	4 ALL ENDS
FACE TO FACE DISTANCE	4.875 INCHES IN

SUBSTITUTES & CROSS-REFERENCES 3

CSVA5-12Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

CSVA5-12 1INSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

506-1-N1/1552 1INReference 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 11-51-004-1IN?

11-51-004-1IN is a VALVE,DIAPHRAGM,STOP.

What parts can replace 11-51-004-1IN?

There are 3 known substitutes for 11-51-004-1IN: CSVA5-12, CSVA5-12 1IN, 506-1-N1/1552 1IN. Substitute compatibility should be verified for your specific system.

What is the NSN for 11-51-004-1IN?

11-51-004-1IN is cataloged in the U.S. Government catalog under NSN 4820-01-287-0418. This indicates validated use in U.S. government and defense supply chains.

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