PartsTable
Technical Data Sheet

1/8-TC/0006630 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1/8-TC/0006630: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: BRONZE BODY, operating_pressure: 175.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, flow_control_device: DISK, maximum_operating_temp: 180.0 FAHRENHEIT SINGLE RESPONSE DEGF, minimum_operating_temp: 33.0 FAHRENHEIT DEGF, valve_operation_method: AUTOMATIC OR MANUAL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-520-6802, 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
1/8-TC/0006630
NSN: 4820-01-520-6802
FSC: 4820 — Valves, Nonpowered
CAGE: 79227 — WATTS REGULATOR COMPANY (USA)
SPECIFICATIONS
materialBRONZE BODY
operating_pressure175.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISK
maximum_operating_temp180.0 FAHRENHEIT SINGLE RESPONSE DEGF
minimum_operating_temp33.0 FAHRENHEIT DEGF
valve_operation_methodAUTOMATIC OR MANUAL
media_for_which_designedWATER, FRESH SINGLE RESPONSE
NSN4820-01-520-6802
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1/8-TC/0006630 · 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
•
MINIMUM OPERATING TEMP: 33.0 FAHRENHEIT DEGF
•
OPERATING PRESSURE: 175.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
MAXIMUM OPERATING TEMP: 180.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
MEDIA FOR WHICH DESIGNED: WATER, FRESH SINGLE RESPONSE
•
MATERIAL: BRONZE BODY
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
MINIMUM OPERATING TEMP33.0 FAHRENHEIT DEGF
OPERATING PRESSURE175.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MAXIMUM OPERATING TEMP180.0 FAHRENHEIT SINGLE RESPONSE DEGF
MEDIA FOR WHICH DESIGNEDWATER, FRESH SINGLE RESPONSE
MATERIALBRONZE BODY
MATERIALSTEEL COMP 316 SEAT
MATERIALRUBBER SILICONE CLASS Q FLOW CONTROL DEVICE
VALVE OPERATION METHODAUTOMATIC OR MANUAL
SUBSTITUTES & CROSS-REFERENCES 1
0006630Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1/8-TC/0006630?
1/8-TC/0006630 is a VALVE,SAFETY RELIEF.
What parts can replace 1/8-TC/0006630?
There is 1 known substitute for 1/8-TC/0006630: 0006630. Substitute compatibility should be verified for your specific system.
What is the NSN for 1/8-TC/0006630?
1/8-TC/0006630 is cataloged in the U.S. Government catalog under NSN 4820-01-520-6802. 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.