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4KM-RL4A-VT-SS-KA(1-4) — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4KM-RL4A-VT-SS-KA(1-4): VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING BODY, valve_size: 0.250 INCHES IN, style_designator: ANGLE, operating_pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, disk_loading_method: SPRING, flow_control_device: STEM. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-729-1935, 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
4KM-RL4A-VT-SS-KA(1-4)
NSN: 4820-01-729-1935
FSC: 4820 — Valves, Nonpowered
CAGE: 044B3 — PARKER INDUSTRIAL EQUIPMENT (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
valve_size0.250 INCHES IN
style_designatorANGLE
operating_pressure6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_deviceSTEM
maximum_operating_temp204.0 CELSIUS SINGLE RESPONSE DEGC
part_name_assigned_by_controlling_agencyRELIEF VALVE
NSN4820-01-729-1935
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4KM-RL4A-VT-SS-KA(1-4) · 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: STEM
•
STYLE DESIGNATOR: ANGLE
•
OPERATING PRESSURE: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
VALVE SIZE: 0.250 INCHES IN
•
MAXIMUM OPERATING TEMP: 204.0 CELSIUS SINGLE RESPONSE DEGC
•
DISK LOADING METHOD: SPRING
•
MATERIAL: STEEL CORROSION RESISTING BODY
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICESTEM
STYLE DESIGNATORANGLE
OPERATING PRESSURE6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VALVE SIZE0.250 INCHES IN
MAXIMUM OPERATING TEMP204.0 CELSIUS SINGLE RESPONSE DEGC
DISK LOADING METHODSPRING
PART NAME ASSIGNED BY CONTROLLING AGENCYRELIEF VALVE
MATERIALSTEEL CORROSION RESISTING BODY
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4KM-RL4A-VT-SS-KA(1-4)?
4KM-RL4A-VT-SS-KA(1-4) is a VALVE,SAFETY RELIEF.
What is the NSN for 4KM-RL4A-VT-SS-KA(1-4)?
4KM-RL4A-VT-SS-KA(1-4) is cataloged in the U.S. Government catalog under NSN 4820-01-729-1935. 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.