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258.40 — VALVE,HYDRAULIC STABILIZER

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

258.40: VALVE,HYDRAULIC STABILIZER.

The VALVE,HYDRAULIC STABILIZER is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, overall_length: 40.0 MILLIMETERS NOMINAL MM, style_designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY., flow_control_device: POPPET, valve_operation_method: AUTOMATIC, end_item_identification: 3835-01-324-6354. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-257-8800, 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
258.40
NSN: 4820-01-257-8800
NIINs: 012578800, 013813760, 013818348, 015961945
FSC: 4820 — Valves, Nonpowered
CAGE: 0BKV4 — S P S INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
overall_length40.0 MILLIMETERS NOMINAL MM
special_featuresFOR A0 /ASIF UNREAMED TIBIAL NAILS; FULLY THREADED BOLT ENGAGES BOTH CORTICES TO PREVENT BACKING OUT AND FACILITATE REMOVAL LOW HEAD PROFILE FOR MINIMAL IMPACT ON SOFT TISSUE COVERAGE
style_designatorSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
flow_control_devicePOPPET
valve_operation_methodAUTOMATIC
end_item_identification3835-01-324-6354
outside_thread_diameter3.9 MILLIMETERS NOMINAL MM
NSN4820-01-257-8800
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 258.40 · 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL
END ITEM IDENTIFICATIOND696A300 HYDRAULIC RELAY STABILIZER UNIT
SUBSTITUTES & CROSS-REFERENCES 1
22-258-40Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 258.40?
258.40 is a VALVE,HYDRAULIC STABILIZER.
What parts can replace 258.40?
There is 1 known substitute for 258.40: 22-258-40. Substitute compatibility should be verified for your specific system.
What is the NSN for 258.40?
258.40 is cataloged in the U.S. Government catalog under NSN 4820-01-257-8800. 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.