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Technical Data Sheet
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5205HN0300 — 5205HN0300

✓ Government record, cited
MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC · GATE VALVE
PRODUCT OVERVIEW

5205HN0300: 5205HN0300.

The 5205HN0300 is a MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-452-1106, 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
5205HN0300
NSN: 4820-01-452-1106
FSC: 4820 — Valves, Nonpowered
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
Part Number5205HN0300
ManufacturerMILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC
NSN4820-01-452-1106
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 5205HN0300 · MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC ⚠ 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: PLAIN ALL ENDS
•
BOLT CIRCLE NOMINAL DIAMETER: 5.500 INCHES ALL ENDS IN
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MOUNTING POSITION: HORIZONTAL
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CRITICALITY CODE JUSTIFICATION: FEAT
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CONNECTION TYPE: FLANGE ALL ENDS
•
STYLE DESIGNATOR: ANGLE FLANGED ENDS
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLANGE FACE DESIGNPLAIN ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER5.500 INCHES ALL ENDS IN
MOUNTING POSITIONHORIZONTAL
CRITICALITY CODE JUSTIFICATIONFEAT
CONNECTION TYPEFLANGE ALL ENDS
STYLE DESIGNATORANGLE FLANGED ENDS
BOLT HOLE NOMINAL DIAMETER0.688 INCHES ALL ENDS IN
VALVE SIZE3.000 INCHES IN
SUBSTITUTES & CROSS-REFERENCES 2
5205-3 IN-250 LBReference document
Same NSN cross-reference
Reference document — Secondary reference
3255625Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5205HN0300?
5205HN0300 is a 5205HN0300 manufactured by MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC.
What parts can replace 5205HN0300?
There are 2 known substitutes for 5205HN0300: 5205-3 IN-250 LB, 3255625. Substitute compatibility should be verified for your specific system.
What is the NSN for 5205HN0300?
5205HN0300 is cataloged in the U.S. Government catalog under NSN 4820-01-452-1106. 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.