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284593-0001 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

284593-0001: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include end_item_identification: VALVE, TORPEDO FIRING ASSEMBLY 2 WAY/2POS 2600PSI CRES, TY630, criticality_code_justification: ZZZY, part_name_assigned_by_controlling_agency: (INAVY) VLAVE PRESSURE OPERATING; (DRAWING) VALVE, 2 WAY-2POS PRESSURE, OPERATED, reference_number_differentiating_characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL 1 ITEMS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-478-9041, 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
284593-0001
NSN: 4820-01-478-9041
NIINs: 014789041, 014789172, 014789242, 014790776, 015454062
FSC: 4820 — Valves, Nonpowered
CAGE: 99657 — MAROTTA CONTROLS INC (USA)
SPECIFICATIONS
end_item_identificationVALVE, TORPEDO FIRING ASSEMBLY 2 WAY/2POS 2600PSI CRES, TY630
criticality_code_justificationZZZY
part_name_assigned_by_controlling_agency(INAVY) VLAVE PRESSURE OPERATING; (DRAWING) VALVE, 2 WAY-2POS PRESSURE, OPERATED
reference_number_differentiating_characteristicsMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL 1 ITEMS
NSN4820-01-478-9041
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 284593-0001 · 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
SUBSTITUTES & CROSS-REFERENCES 1
284593-0001 ITEM 18Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 284593-0001?
284593-0001 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 284593-0001?
There is 1 known substitute for 284593-0001: 284593-0001 ITEM 18. Substitute compatibility should be verified for your specific system.
What is the NSN for 284593-0001?
284593-0001 is cataloged in the U.S. Government catalog under NSN 4820-01-478-9041. 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.