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S1139A — WARNING ASSEMBLY,VEHICULAR

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

S1139A: WARNING ASSEMBLY,VEHICULAR.

The WARNING ASSEMBLY,VEHICULAR is a the manufacturer industrial component. Key specifications include bonnet_type: INSIDE SPRING, style_designator: ANGLE, disk_loading_method: SPRING, flow_control_device: DISK, valve_operation_method: AUTOMATIC, bonnet_attachment_method: INTEGRAL. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-058-6536, 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
S1139A
NSN: 4820-00-058-6536
FSC: 4820 — Valves, Nonpowered
CAGE: 61178 — TUTHILL CORPORATION DBA TUTHILL PUMP GROUP (USA)
SPECIFICATIONS
bonnet_typeINSIDE SPRING
style_designatorANGLE
disk_loading_methodSPRING
flow_control_deviceDISK
valve_operation_methodAUTOMATIC
bonnet_attachment_methodINTEGRAL
NSN4820-00-058-6536
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: S1139A · 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: ANGLE
•
BONNET TYPE: INSIDE SPRING
•
DISK LOADING METHOD: SPRING
•
BONNET ATTACHMENT METHOD: INTEGRAL
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
STYLE DESIGNATORANGLE
BONNET TYPEINSIDE SPRING
DISK LOADING METHODSPRING
BONNET ATTACHMENT METHODINTEGRAL
VALVE OPERATION METHODAUTOMATIC
SUBSTITUTES & CROSS-REFERENCES 2
MK1534Reference document
Same NSN cross-reference
Reference document — Secondary reference
550502Reference 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 S1139A?
S1139A is a WARNING ASSEMBLY,VEHICULAR.
What parts can replace S1139A?
There are 2 known substitutes for S1139A: MK1534, 550502. Substitute compatibility should be verified for your specific system.
What is the NSN for S1139A?
S1139A is cataloged in the U.S. Government catalog under NSN 4820-00-058-6536. 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.