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S413B3-4 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

S413B3-4: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 836 BODY, connection_style: SOCKET (TUBE) ALL ENDS, style_designator: STRAIGHT THRU, operating_pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, disk_loading_method: WEIGHT, flow_control_device: DISK. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-137-9629, 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
S413B3-4
NSN: 4820-00-137-9629
FSC: 4820 — Valves, Nonpowered
CAGE: 12168 — NIBCO INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 836 BODY
connection_styleSOCKET (TUBE) ALL ENDS
style_designatorSTRAIGHT THRU
operating_pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodWEIGHT
flow_control_deviceDISK
valve_operation_methodAUTOMATIC
media_for_which_designedSTEAM SINGLE RESPONSE
nominal_outside_diameter_tube_accommodated0.750 INCHES ALL ENDS IN
NSN4820-00-137-9629
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: S413B3-4 · 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 STYLE: SOCKET (TUBE) ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.750 INCHES ALL ENDS IN
•
OPERATING PRESSURE: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
DISK LOADING METHOD: WEIGHT
•
MEDIA FOR WHICH DESIGNED: STEAM SINGLE RESPONSE
•
MATERIAL: COPPER ALLOY 836 BODY
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
CONNECTION STYLESOCKET (TUBE) ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.750 INCHES ALL ENDS IN
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
DISK LOADING METHODWEIGHT
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
MATERIALCOPPER ALLOY 836 BODY
MATERIALCOPPER ALLOY 836 SEAT
MATERIALCOPPER ALLOY 836 FLOW CONTROL DEVICE
SUBSTITUTES & CROSS-REFERENCES 1
411-1372Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S413B3-4?
S413B3-4 is a VALVE,CHECK.
What parts can replace S413B3-4?
There is 1 known substitute for S413B3-4: 411-1372. Substitute compatibility should be verified for your specific system.
What is the NSN for S413B3-4?
S413B3-4 is cataloged in the U.S. Government catalog under NSN 4820-00-137-9629. 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.