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Technical Data Sheet
PartsTable / COMPONENT / 012388
012388 ✓ 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

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE, outside_diameter: 3.000 INCHES NOMINAL IN, style_designator: FLAT, material_thickness: 0.063 INCHES NOMINAL IN, center_hole_diameter: 1.130 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN, criticality_code_justification: ZZZY. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-217-9223, 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
012388
NSN: 4820-00-217-9223
FSC: 4820
CAGE: 62753 — XOMOX CORP SUB OF EMERSON ELECTRIC CO (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE
outside_diameter3.000 INCHES NOMINAL IN
style_designatorFLAT
material_thickness0.063 INCHES NOMINAL IN
center_hole_diameter1.130 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
NSN4820-00-217-9223
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 012388 · 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
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
TECHNICAL CHARACTERISTICS (FLIS)
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
012388Interchangeable
interchangeable cross-reference
interchangeable
3871348Interchangeable
interchangeable cross-reference
interchangeable
7671Interchangeable
interchangeable cross-reference
interchangeable
Z-3343-BPC8Interchangeable
interchangeable cross-reference
interchangeable
029377Interchangeable
interchangeable cross-reference
interchangeable
Z3343B4Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 012388?
012388 is a DIAPHRAGM,VALVE,FLAT.
What parts can replace 012388?
There are 7 known substitutes for 012388: 012388, 3871348, 7671 and 4 more. Substitute compatibility should be verified for your specific system.
Is 012388 still available?
012388 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