B3426 — VALVE,RESTRICTOR CHECK

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

B3426: VALVE,RESTRICTOR CHECK.

The VALVE,RESTRICTOR CHECK is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING BODY, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: PLAIN (TUBE) ALL ENDS, special_features: WEAPON SYSTEM ESSENTIAL, style_designator: STRAIGHT THRU. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-237-6443, 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

B3426

NSN: 4820-01-237-6443
NIINs: 012376443, 012445300, 014946126, 015451746
FSC: 4820 — Valves, Nonpowered
CAGE: 5P967 — DANTE VALVE COMPANY (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING BODY
thread_class	3A ALL ENDS A
connection_type	THREADED EXTERNAL TUBE ALL ENDS
connection_style	PLAIN (TUBE) ALL ENDS
special_features	WEAPON SYSTEM ESSENTIAL
style_designator	STRAIGHT THRU
thread_direction	RIGHT-HAND ALL ENDS
mounting_position	HORIZONTAL OR VERTICAL
operating_pressure	3500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_method	SPRING
flow_control_device	DISK
nominal_thread_size	0.562 INCHES FIRST END IN
NSN	4820-01-237-6443

COMPONENT DIAGRAM

SUBSTITUTES & CROSS-REFERENCES 3

D1200 PIECE 7Reference document

Same NSN cross-reference

Reference document — Secondary reference

D3800 ITEM 12Reference document

Same NSN cross-reference

Reference document — Secondary reference

D1200Reference 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 B3426?

B3426 is a VALVE,RESTRICTOR CHECK.

What parts can replace B3426?

There are 3 known substitutes for B3426: D1200 PIECE 7, D3800 ITEM 12, D1200. Substitute compatibility should be verified for your specific system.

What is the NSN for B3426?

B3426 is cataloged in the U.S. Government catalog under NSN 4820-01-237-6443. This indicates validated use in U.S. government and defense supply chains.

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B3426 — VALVE,RESTRICTOR CHECK

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