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33750A — Technical Data Sheet

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— · 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

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include nominal_thread_size: 0.500 INCHES FIRST END IN, valve_operation_method: HYDRAULIC, thread_series_designator: NPT FIRST END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-00-071-2191, 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
33750A
NSN: 4820-00-071-2191
FSC: 4820
CAGE: 94431 — GARRISON MANUFACTURING INC (USA)
SPECIFICATIONS
nominal_thread_size0.500 INCHES FIRST END IN
valve_operation_methodHYDRAULIC
thread_series_designatorNPT FIRST END
NSN4820-00-071-2191
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 33750A · 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
•
THREAD SERIES DESIGNATOR: NPT FIRST END
•
NOMINAL THREAD SIZE: 0.500 INCHES SECOND END IN
•
VALVE OPERATION METHOD: HYDRAULIC
TECHNICAL CHARACTERISTICS
THREAD SERIES DESIGNATORNPT FIRST END
NOMINAL THREAD SIZE0.500 INCHES SECOND END IN
THREAD SERIES DESIGNATORNPT SECOND END
NOMINAL THREAD SIZE0.375 INCHES THIRD END IN
VALVE OPERATION METHODHYDRAULIC
THREAD SERIES DESIGNATORNPT THIRD END
NOMINAL THREAD SIZE0.500 INCHES FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
234791InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
IPC33750InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
DRA43541InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2954AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
29772InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MH1000-502InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 33750A?
33750A is a VALVE,SAFETY RELIEF.
What parts can replace 33750A?
There are 16 known substitutes for 33750A: 234791, IPC33750, DRA43541 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 33750A?
33750A is cataloged in the Federal Logistics Information System under NSN 4820-00-071-2191. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026