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0020-C01-MC-0017 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

0020-C01-MC-0017: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include disk_loading_method: SPRING, flow_control_device: DISK, nominal_thread_size: 0.500 INCHES ALL ENDS IN, valve_operation_method: AUTOMATIC, opening_pressure_setting: 17.0 POUNDS PER SQUARE INCH LBS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-389-7737, 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
0020-C01-MC-0017
NSN: 4820-01-389-7737
FSC: 4820 — Valves, Nonpowered
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
disk_loading_methodSPRING
flow_control_deviceDISK
nominal_thread_size0.500 INCHES ALL ENDS IN
valve_operation_methodAUTOMATIC
opening_pressure_setting17.0 POUNDS PER SQUARE INCH LBS
NSN4820-01-389-7737
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 0020-C01-MC-0017 · 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
•
NOMINAL THREAD SIZE: 0.500 INCHES ALL ENDS IN
•
DISK LOADING METHOD: SPRING
•
OPENING PRESSURE SETTING: 17.0 POUNDS PER SQUARE INCH LBS
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS IN
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING17.0 POUNDS PER SQUARE INCH LBS
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

No substitute or cross-reference records for this part.

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 0020-C01-MC-0017?
0020-C01-MC-0017 is a VALVE,SAFETY RELIEF.
What is the NSN for 0020-C01-MC-0017?
0020-C01-MC-0017 is cataloged in the U.S. Government catalog under NSN 4820-01-389-7737. 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.