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3386191 — VALVE,REGULATING,SYSTEM PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3386191: VALVE,REGULATING,SYSTEM PRESSURE.

VALVE,REGULATING,SYSTEM PRESSURE. Key specifications include part_name_assigned_by_controlling_agency: BLOCK VALVE - VALVE,EXPANSION. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-534-4598, 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
3386191
NSN: 4820-01-534-4598
FSC: 4820 — Valves, Nonpowered
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyBLOCK VALVE - VALVE,EXPANSION
NSN4820-01-534-4598
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3386191 · 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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYBLOCK VALVE - VALVE,EXPANSION
END ITEM IDENTIFICATION2320-01-465-2174 MK23, 2320-01-465-2176 MK25, 2320-001-465-2180 MK27, 2320-01-465-2182 MK28, 2320-01-465-2186 MK29, 2320-01-465-2189 MK30, 2320-01-530-5693 MK31, 2320-01-465-2260 MK36, 2320-01-504-5218 MK37, PART OF ARMOR KIT
SUBSTITUTES & CROSS-REFERENCES 1
550200Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3386191?
3386191 is a VALVE,REGULATING,SYSTEM PRESSURE.
What parts can replace 3386191?
There is 1 known substitute for 3386191: 550200. Substitute compatibility should be verified for your specific system.
What is the NSN for 3386191?
3386191 is cataloged in the U.S. Government catalog under NSN 4820-01-534-4598. 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.