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390501 — INSULATOR,PLATE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

390501: INSULATOR,PLATE.

The INSULATOR,PLATE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON OVERALL, overall_width: 0.750 INCHES NOMINAL IN, overall_height: 0.005 INCHES NOMINAL IN, overall_length: 1.500 INCHES NOMINAL IN, special_features: (MIL-T-46112), style_designator: FLAT, RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-032-1740, 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
390501
NSN: 4820-00-032-1740
NIINs: 000321740, 014389430
FSC: 4820 — Valves, Nonpowered
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON OVERALL
overall_width0.750 INCHES NOMINAL IN
overall_height0.005 INCHES NOMINAL IN
overall_length1.500 INCHES NOMINAL IN
special_features(MIL-T-46112)
style_designatorFLAT, RECTANGULAR
end_item_identificationPACERDAWN
NSN4820-00-032-1740
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 390501 · 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
•
STYLE DESIGNATOR: POPPET
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.562 INCHES NOMINAL IN
STYLE DESIGNATORPOPPET
SPECIAL FEATURESSHANK END THD EXTERNALLY,1/4 IN. 28 UNJF-3A THD SIZE,0.590 IN. THD LG A
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 390501?
390501 is a INSULATOR,PLATE.
What is the NSN for 390501?
390501 is cataloged in the U.S. Government catalog under NSN 4820-00-032-1740. 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.