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431-90404-0 — PLUG,HEXAGON

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

431-90404-0: PLUG,HEXAGON.

The PLUG,HEXAGON is a the manufacturer industrial component. Key specifications include end_item_identification: DENISON HYDRAULICS INC PRESSURE REGULATING VALVE MODEL R4V, general_characteristics_item_description: 0.250 IN. NPTF IN.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-448-9442, 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
431-90404-0
NSN: 4820-01-448-9442
FSC: 4820 — Valves, Nonpowered
CAGE: 9F512 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC PUMP DIVISION (USA)
SPECIFICATIONS
end_item_identificationDENISON HYDRAULICS INC PRESSURE REGULATING VALVE MODEL R4V
general_characteristics_item_description0.250 IN. NPTF IN
NSN4820-01-448-9442
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 431-90404-0 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: 0.250 IN. NPTF IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTION0.250 IN. NPTF IN
END ITEM IDENTIFICATIONDENISON HYDRAULICS INC PRESSURE REGULATING VALVE MODEL R4V
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 431-90404-0?
431-90404-0 is a PLUG,HEXAGON.
What is the NSN for 431-90404-0?
431-90404-0 is cataloged in the U.S. Government catalog under NSN 4820-01-448-9442. 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.