NS3981ASSYB — PARTS KIT,CHECK VALVE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

NS3981ASSYB: PARTS KIT,CHECK VALVE.

The PARTS KIT,CHECK VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 903 OVERALL, valve_size: 3.000 INCHES IN, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS, style_designator: STRAIGHT THRU FLANGED ENDS, mounting_position: HORIZONTAL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-125-9747, 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

NS3981ASSYB

NSN: 4820-01-125-9747
FSC: 4820 — Valves, Nonpowered
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)

SPECIFICATIONS

material	COPPER ALLOY 903 OVERALL
valve_size	3.000 INCHES IN
flange_shape	ROUND WITH HOLES ALL ENDS
connection_type	FLANGE ALL ENDS
style_designator	STRAIGHT THRU FLANGED ENDS
mounting_position	HORIZONTAL
nominal_thickness	1.062 INCHES ALL ENDS IN
bolt_hole_quantity	8 ALL ENDS
flange_face_design	PLAIN ALL ENDS
operating_pressure	1050.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_device	DISK
face_to_face_distance	11.750 INCHES IN
NSN	4820-01-125-9747

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: DISK

•

FLANGE SHAPE: ROUND WITH HOLES ALL ENDS

•

FLANGE FACE DESIGN: PLAIN ALL ENDS

•

BOLT CIRCLE NOMINAL DIAMETER: 5.938 INCHES ALL ENDS IN

•

MOUNTING POSITION: HORIZONTAL

•

CONNECTION TYPE: FLANGE ALL ENDS

•

STYLE DESIGNATOR: STRAIGHT THRU FLANGED ENDS

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-390,ALLOY D5/D FED SPEC SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	DISK
FLANGE SHAPE	ROUND WITH HOLES ALL ENDS
FLANGE FACE DESIGN	PLAIN ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER	5.938 INCHES ALL ENDS IN
MOUNTING POSITION	HORIZONTAL
CONNECTION TYPE	FLANGE ALL ENDS
STYLE DESIGNATOR	STRAIGHT THRU FLANGED ENDS
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-C-390,ALLOY D5/D FED SPEC SINGLE MATERIAL RESPONSE OVERALL
BOLT HOLE NOMINAL DIAMETER	0.687 INCHES ALL ENDS IN
OPERATING PRESSURE	1050.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS

SUBSTITUTES & CROSS-REFERENCES 1

NS-3981Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is NS3981ASSYB?

NS3981ASSYB is a PARTS KIT,CHECK VALVE.

What parts can replace NS3981ASSYB?

There is 1 known substitute for NS3981ASSYB: NS-3981. Substitute compatibility should be verified for your specific system.

What is the NSN for NS3981ASSYB?

NS3981ASSYB is cataloged in the U.S. Government catalog under NSN 4820-01-125-9747. This indicates validated use in U.S. government and defense supply chains.

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