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812843 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

812843: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: STEEL BODY, valve_size: 1.000 INCHES IN, special_features: TYPE RK86; MATERIAL G-X4CRNI13-4, style_designator: STRAIGHT THRU, disk_loading_method: SPRING, flow_control_device: DISK. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-554-6852, 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
812843
NSN: 4820-01-554-6852
FSC: 4820 — Valves, Nonpowered
CAGE: SCY20 — RENK-MAAG GMBH (CHE)
SPECIFICATIONS
materialSTEEL BODY
valve_size1.000 INCHES IN
special_featuresTYPE RK86; MATERIAL G-X4CRNI13-4
style_designatorSTRAIGHT THRU
disk_loading_methodSPRING
flow_control_deviceDISK
valve_operation_methodAUTOMATIC
end_item_identificationNEW CONSTRUCTION LCS1; SPLITTING GEAR (STBD) (PORT)
part_name_assigned_by_controlling_agencyNON RETURN VALVE
NSN4820-01-554-6852
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 812843 · 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
•
STYLE DESIGNATOR: STRAIGHT THRU
•
VALVE SIZE: 1.000 INCHES IN
•
DISK LOADING METHOD: SPRING
•
MATERIAL: STEEL BODY
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
STYLE DESIGNATORSTRAIGHT THRU
VALVE SIZE1.000 INCHES IN
DISK LOADING METHODSPRING
SPECIAL FEATURESTYPE RK86; MATERIAL G-X4CRNI13-4
PART NAME ASSIGNED BY CONTROLLING AGENCYNON RETURN VALVE
END ITEM IDENTIFICATIONNEW CONSTRUCTION LCS1; SPLITTING GEAR (STBD) (PORT)
MATERIALSTEEL BODY
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
50010635Same 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 812843?
812843 is a VALVE,CHECK.
What parts can replace 812843?
There is 1 known substitute for 812843: 50010635. Substitute compatibility should be verified for your specific system.
What is the NSN for 812843?
812843 is cataloged in the U.S. Government catalog under NSN 4820-01-554-6852. 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.