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1572 6IN — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1572 6IN: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: STEEL BODY, connection_type: FLANGE ALL ENDS, special_features: SWING CHECK TYPE VALVE, style_designator: STRAIGHT THRU, flow_control_device: DISK, valve_operation_method: AUTOMATIC. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-426-0279, 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
1572 6IN
NSN: 4820-01-426-0279
FSC: 4820 — Valves, Nonpowered
CAGE: 37239 — LUNKENHEIMER CO (USA)
SPECIFICATIONS
materialSTEEL BODY
connection_typeFLANGE ALL ENDS
special_featuresSWING CHECK TYPE VALVE
style_designatorSTRAIGHT THRU
flow_control_deviceDISK
valve_operation_methodAUTOMATIC
end_item_identificationMARS CLASS AFS
NSN4820-01-426-0279
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1572 6IN · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FLOW CONTROL DEVICE: DISK
•
CONNECTION TYPE: FLANGE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL: STEEL BODY
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
CONNECTION TYPEFLANGE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
SPECIAL FEATURESSWING CHECK TYPE VALVE
END ITEM IDENTIFICATIONMARS CLASS AFS
MATERIALSTEEL BODY
MATERIALSTEEL SEAT
VALVE OPERATION METHODAUTOMATIC
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
1572C 6INSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 1572 6IN?
1572 6IN is a VALVE,CHECK.
What parts can replace 1572 6IN?
There is 1 known substitute for 1572 6IN: 1572C 6IN. Substitute compatibility should be verified for your specific system.
What is the NSN for 1572 6IN?
1572 6IN is cataloged in the U.S. Government catalog under NSN 4820-01-426-0279. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.