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20388-01 — 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,VENT AND DRAI is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYCARBONATE LENS, overall_width: 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN, overall_height: 0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN, overall_length: 0.315 INCHES MINIMUM AND 0.325 INCHES MAXIMUM IN, mounting_method: PRESS FIT, style_designator: FLAT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-00-675-9339, 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
20388-01
NSN: 4820-00-675-9339
FSC: 4820
CAGE: 93181 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV INSTRUMENTATION PRODUCTS DIVISION (USA)
SPECIFICATIONS
materialPLASTIC POLYCARBONATE LENS
overall_width0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
overall_height0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
overall_length0.315 INCHES MINIMUM AND 0.325 INCHES MAXIMUM IN
mounting_methodPRESS FIT
style_designatorFLAT
surface_conditionSMOOTH FACE
mounting_device_quantity1
light_transmission_designTRANSLUCENT LENS
NSN4820-00-675-9339
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20388-01 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
75343InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
47610701-10InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
3VX425InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
NP5032-002InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6210PL0946017InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
5047-903InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20388-01?
20388-01 is a VALVE,VENT AND DRAI.
What parts can replace 20388-01?
There are 7 known substitutes for 20388-01: 75343, 47610701-10, 3VX425 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20388-01?
20388-01 is cataloged in the Federal Logistics Information System under NSN 4820-00-675-9339. 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: October 2026