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3885172-801 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3885172-801: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include special_features: BACKVENTIL, style_designator: STRAIGHT THRU, mounting_position: HORIZONTAL, operating_pressure: 300.0 BAR MAXIMUM SINGLE RESPONSE, disk_loading_method: SPRING, valve_operation_method: AUTOMATIC. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-441-6829, 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
3885172-801
NSN: 4820-01-441-6829
FSC: 4820 — Valves, Nonpowered
CAGE: A184N — KALMAR SOLUTIONS AB (SWE)
SPECIFICATIONS
special_featuresBACKVENTIL
style_designatorSTRAIGHT THRU
mounting_positionHORIZONTAL
operating_pressure300.0 BAR MAXIMUM SINGLE RESPONSE
disk_loading_methodSPRING
valve_operation_methodAUTOMATIC
end_item_identificationSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
opening_pressure_setting7.5 BAR
NSN4820-01-441-6829
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3885172-801 · 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
•
MOUNTING POSITION: HORIZONTAL
•
STYLE DESIGNATOR: STRAIGHT THRU
•
OPERATING PRESSURE: 300.0 BAR MAXIMUM SINGLE RESPONSE
•
DISK LOADING METHOD: SPRING
•
OPENING PRESSURE SETTING: 7.5 BAR
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
MOUNTING POSITIONHORIZONTAL
STYLE DESIGNATORSTRAIGHT THRU
OPERATING PRESSURE300.0 BAR MAXIMUM SINGLE RESPONSE
DISK LOADING METHODSPRING
SPECIAL FEATURESBACKVENTIL
END ITEM IDENTIFICATIONSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
OPENING PRESSURE SETTING7.5 BAR
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
1877805-801 ITEM NO. 018Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 3885172-801?
3885172-801 is a VALVE,CHECK.
What parts can replace 3885172-801?
There is 1 known substitute for 3885172-801: 1877805-801 ITEM NO. 018. Substitute compatibility should be verified for your specific system.
What is the NSN for 3885172-801?
3885172-801 is cataloged in the U.S. Government catalog under NSN 4820-01-441-6829. 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.