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MIL-DTL-18436 — CAPACITOR,FIXED,PAPER DIELECTRIC

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

MIL-DTL-18436: CAPACITOR,FIXED,PAPER DIELECTRIC.

CAPACITOR,FIXED,PAPER DIELECTRIC. Key specifications include material: COPPER ALLOY FLOW CONTROL DEVICE, valve_size: 3.000 INCHES IN, flange_shape: ROUND WITH HOLES ALL ENDS, nominal_length: 1.940 INCHES ALL ENDS IN, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN, OPTIONAL END (PIPE) ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-137-9212, 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
MIL-DTL-18436
NSN: 4820-00-137-9212
NIINs: 001379212, 001379213, 001379214, 001383883, 001383884, 001480086, 001484864, 002669496, 002688794, 002875151, 002886678, 002889157, 002889160, 002889161, 002889162, 006891478, 006891483, 007567063, 007603650, 007603738, 007603739, 007621228, 007647764, 008224644, 008877127, 010917996, 010924294, 011700031, 012183300, 013743675, 013846527, 014084742, 014246212
FSC: 4820 — Valves, Nonpowered
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialCOPPER ALLOY FLOW CONTROL DEVICE
valve_size3.000 INCHES IN
flange_shapeROUND WITH HOLES ALL ENDS
nominal_length1.940 INCHES ALL ENDS IN
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN, OPTIONAL END (PIPE) ALL ENDS
special_featuresLANDING CRAFT
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
mounting_positionHORIZONTAL OR VERTICAL
nominal_thickness0.750 INCHES ALL ENDS IN
bolt_hole_quantity4 ALL ENDS
NSN4820-00-137-9212
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: MIL-DTL-18436 · 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
•
FLOW CONTROL DEVICE: DISK
•
FLANGE SHAPE: ROUND WITH HOLES ALL ENDS
•
FLANGE FACE DESIGN: RAISED STRAIGHT ALL ENDS
•
BOLT CIRCLE NOMINAL DIAMETER: 6.000 INCHES ALL ENDS IN
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A216,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY
•
BOLT HOLE NOMINAL DIAMETER: 0.750 INCHES ALL ENDS IN
•
OPERATING PRESSURE: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER6.000 INCHES ALL ENDS IN
STYLE DESIGNATORSTRAIGHT THRU
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A216,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY
BOLT HOLE NOMINAL DIAMETER0.750 INCHES ALL ENDS IN
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MAXIMUM OPERATING TEMP500.0 FAHRENHEIT SINGLE RESPONSE DEGF
NONDEFINITIVE SPEC/STD DATAC GROUP AND 3 TYPE AND 5 TRIM AND 150 CLASS
SUBSTITUTES & CROSS-REFERENCES 6
1572X-3INReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
1561-3INReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
31FCB-3 3 IN.Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
MILV18436Reference document
Same NSN cross-reference
Reference document — Secondary reference
1561A 3INReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
8294SReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MIL-DTL-18436?
MIL-DTL-18436 is a CAPACITOR,FIXED,PAPER DIELECTRIC.
What parts can replace MIL-DTL-18436?
There are 6 known substitutes for MIL-DTL-18436: 1572X-3IN, 1561-3IN, 31FCB-3 3 IN. and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-DTL-18436?
MIL-DTL-18436 is cataloged in the U.S. Government catalog under NSN 4820-00-137-9212. 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.