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8131-400 — HEATER,WATER,STEAM-HOT WATER HEA

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

8131-400: HEATER,WATER,STEAM-HOT WATER HEA.

HEATER,WATER,STEAM-HOT WATER HEA. Key specifications include material: COPPER ALLOY BODY, valve_size: 1.500 INCHES IN, pressure_class: ERR-060, valve_operation_method: MANUAL, end_item_identification: ELECTRIC HEATER CO WATER HEATER MODEL NO. MSH452-ST-SL; STRATEGIC SEALIFT CONVERSION SHIPS CLASS, inlet_relationship_with_outlet: IDENTICAL.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-415-1059, 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
8131-400
NSN: 4820-01-415-1059
FSC: 4820 — Valves, Nonpowered
CAGE: 19857 — THE ELECTRIC HEATER CO DBA HUBBELL ELECTRIC HEATER CO. (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
valve_size1.500 INCHES IN
pressure_classERR-060
valve_operation_methodMANUAL
end_item_identificationELECTRIC HEATER CO WATER HEATER MODEL NO. MSH452-ST-SL; STRATEGIC SEALIFT CONVERSION SHIPS CLASS
inlet_relationship_with_outletIDENTICAL
NSN4820-01-415-1059
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8131-400 · 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
•
INLET RELATIONSHIP WITH OUTLET: IDENTICAL
•
VALVE SIZE: 1.500 INCHES IN
•
PRESSURE CLASS: ERR-060
•
MATERIAL: COPPER ALLOY BODY
•
VALVE OPERATION METHOD: MANUAL
TECHNICAL CHARACTERISTICS
INLET RELATIONSHIP WITH OUTLETIDENTICAL
VALVE SIZE1.500 INCHES IN
END ITEM IDENTIFICATIONELECTRIC HEATER CO WATER HEATER MODEL NO. MSH452-ST-SL; STRATEGIC SEALIFT CONVERSION SHIPS CLASS
PRESSURE CLASSERR-060
MATERIALCOPPER ALLOY BODY
VALVE OPERATION METHODMANUAL
SUBSTITUTES & CROSS-REFERENCES 3
94-7311Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
94-7311 PC-20Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
GVS-700270Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 8131-400?
8131-400 is a HEATER,WATER,STEAM-HOT WATER HEA.
What parts can replace 8131-400?
There are 3 known substitutes for 8131-400: 94-7311, 94-7311 PC-20, GVS-700270. Substitute compatibility should be verified for your specific system.
What is the NSN for 8131-400?
8131-400 is cataloged in the U.S. Government catalog under NSN 4820-01-415-1059. 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.