NMP-421 — SHAFT,SHOULDERED

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

NMP-421: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING SEAT, valve_size: 3.000 INCHES IN, bonnet_type: INSIDE SPRINGINSIDE SPRING, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS, style_designator: ANGLE FLANGED ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-187-6818, 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

NMP-421

NSN: 4820-01-187-6818
NIINs: 011876818, 012868451
FSC: 4820 — Valves, Nonpowered
CAGE: 75954 — KUNKLE INDUSTRIES INC LONERGAN VALVE DIV (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING SEAT
valve_size	3.000 INCHES IN
bonnet_type	INSIDE SPRINGINSIDE SPRING
flange_shape	ROUND WITH HOLES ALL ENDS
connection_type	FLANGE ALL ENDS
style_designator	ANGLE FLANGED ENDS
disk_loading_method	SPRINGSPRING
flow_control_device	DISKDISK
valve_operation_method	AUTOMATICAUTOMATIC
bonnet_attachment_method	UNIONUNION
media_for_which_designed	WATER-OIL-GAS SINGLE RESPONSE
adjustable_pressure_range	+141.0 TO 190.0 POUNDS PER SQUARE INCH LBS
NSN	4820-01-187-6818

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: DISKDISK

•

FLANGE SHAPE: ROUND WITH HOLES ALL ENDS

•

CONNECTION TYPE: FLANGE ALL ENDS

•

STYLE DESIGNATOR: ANGLE FLANGED ENDS

•

VALVE SIZE: 3.000 INCHES IN

•

ADJUSTABLE PRESSURE RANGE: +141.0 TO 190.0 POUNDS PER SQUARE INCH LBS

•

BONNET TYPE: INSIDE SPRINGINSIDE SPRING

•

DISK LOADING METHOD: SPRINGSPRING

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	DISKDISK
FLANGE SHAPE	ROUND WITH HOLES ALL ENDS
CONNECTION TYPE	FLANGE ALL ENDS
STYLE DESIGNATOR	ANGLE FLANGED ENDS
VALVE SIZE	3.000 INCHES IN
ADJUSTABLE PRESSURE RANGE	+141.0 TO 190.0 POUNDS PER SQUARE INCH LBS
BONNET TYPE	INSIDE SPRINGINSIDE SPRING
DISK LOADING METHOD	SPRINGSPRING
BONNET ATTACHMENT METHOD	UNIONUNION
MEDIA FOR WHICH DESIGNED	WATER-OIL-GAS SINGLE RESPONSE

SUBSTITUTES & CROSS-REFERENCES 4

LL-3210-B 3IN.Reference document

Same NSN cross-reference

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

NMP-909 3INSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LL3211B3IN141T190PSIReference document

Same NSN cross-reference

Reference document — Secondary reference

LL3210B3IN141T190PSIReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is NMP-421?

NMP-421 is a SHAFT,SHOULDERED.

What parts can replace NMP-421?

There are 4 known substitutes for NMP-421: LL-3210-B 3IN., NMP-909 3IN, LL3211B3IN141T190PSI and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for NMP-421?

NMP-421 is cataloged in the U.S. Government catalog under NSN 4820-01-187-6818. This indicates validated use in U.S. government and defense supply chains.

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