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3815D — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3815D: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE, temp_rating: 150.0 FAHRENHEIT NOMINAL DEGF, overall_height: 0.246 INCHES NOMINAL IN, inside_diameter: 0.250 INCHES NOMINAL IN, pressure_rating: 600.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, outside_diameter: 0.812 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-018-4168, 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
3815D
NSN: 4820-01-018-4168
FSC: 4820 — Valves, Nonpowered
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE
temp_rating150.0 FAHRENHEIT NOMINAL DEGF
overall_height0.246 INCHES NOMINAL IN
inside_diameter0.250 INCHES NOMINAL IN
pressure_rating600.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
outside_diameter0.812 INCHES NOMINAL IN
style_designatorPLAIN
media_for_which_designedOIL OR GAS OR WATER
NSN4820-01-018-4168
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3815D · 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
•
PRESSURE RATING: 600.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
TEMP RATING: 150.0 FAHRENHEIT NOMINAL DEGF
•
OUTSIDE DIAMETER: 0.812 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
INSIDE DIAMETER: 0.250 INCHES NOMINAL IN
•
MEDIA FOR WHICH DESIGNED: OIL OR GAS OR WATER
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.246 INCHES NOMINAL IN
PRESSURE RATING600.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
TEMP RATING150.0 FAHRENHEIT NOMINAL DEGF
OUTSIDE DIAMETER0.812 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
INSIDE DIAMETER0.250 INCHES NOMINAL IN
MEDIA FOR WHICH DESIGNEDOIL OR GAS OR WATER
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3815D?
3815D is a DISK,VALVE.
What is the NSN for 3815D?
3815D is cataloged in the U.S. Government catalog under NSN 4820-01-018-4168. 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.