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PartsTable / COMPONENT / Z76301-48
Z76301-48 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

VALVE,RELIEF,PRESSURE AND TEMPER. Key specifications include material: ALUMINUM ALLOY BODY, body_style: STRAIGHT THRU, bulb_length: 0.875 INCHES NOMINAL IN, bulb_diameter: 0.172 INCHES NOMINAL IN, temp_adjustability: NOT ADJUSTABLE, flow_control_device: DISK, CIRCULAR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-223-4539, 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
Z76301-48
NSN: 4820-00-223-4539
FSC: 4820
CAGE: 80625 — ROBERTSHAW CONTROLS CO EXECUTIVE OFFICE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY BODY
body_styleSTRAIGHT THRU
bulb_length0.875 INCHES NOMINAL IN
bulb_diameter0.172 INCHES NOMINAL IN
temp_adjustabilityNOT ADJUSTABLE
flow_control_deviceDISK, CIRCULAR
end_connection_quantity2
temp_control_device_typeTHERMOSTATIC
first_end_connection_typeTHREADED INTERNAL PIPE
first_end_style_designatorPLAIN
first_end_thread_directionRIGHT-HAND
second_end_relationship_with_first_endIDENTICAL
NSN4820-00-223-4539
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: Z76301-48 · 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
•
TEMP CONTROL DEVICE TYPE: THERMOSTATIC
•
FIRST END THREAD DIRECTION: RIGHT-HAND
•
BULB LENGTH: 0.875 INCHES NOMINAL IN
•
BODY STYLE: STRAIGHT THRU
•
MATERIAL: ALUMINUM ALLOY BODY
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
BULB DIAMETER: 0.172 INCHES NOMINAL IN
•
FLOW CONTROL DEVICE: DISK, CIRCULAR
TECHNICAL CHARACTERISTICS (FLIS)
TEMP CONTROL DEVICE TYPETHERMOSTATIC
FIRST END THREAD DIRECTIONRIGHT-HAND
BULB LENGTH0.875 INCHES NOMINAL IN
BODY STYLESTRAIGHT THRU
MATERIALALUMINUM ALLOY BODY
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
BULB DIAMETER0.172 INCHES NOMINAL IN
FLOW CONTROL DEVICEDISK, CIRCULAR
TEMP ADJUSTABILITYNOT ADJUSTABLE
END CONNECTION QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
11523Interchangeable
interchangeable cross-reference
interchangeable
3152-4-1-4Interchangeable
interchangeable cross-reference
interchangeable
11523-00Interchangeable
interchangeable cross-reference
interchangeable
52638Interchangeable
interchangeable cross-reference
interchangeable
SM-B-157288Interchangeable
interchangeable cross-reference
interchangeable
511LXInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is Z76301-48?
Z76301-48 is a VALVE,RELIEF,PRESSURE AND TEMPER.
What parts can replace Z76301-48?
There are 11 known substitutes for Z76301-48: 11523, 3152-4-1-4, 11523-00 and 8 more. Substitute compatibility should be verified for your specific system.
Is Z76301-48 still available?
Z76301-48 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026