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284591-0001L1 — VALVE ASSEMBLY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

284591-0001L1: VALVE ASSEMBLY.

The VALVE ASSEMBLY is a the manufacturer industrial component. Key specifications include end_item_identification: VALVE, PILOT 3/8IN 3000PSI CRES 17-4 HP IN, criticality_code_justification: ZZZY, 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 4820-01-545-4087, 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
284591-0001L1
NSN: 4820-01-545-4087
FSC: 4820 — Valves, Nonpowered
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
end_item_identificationVALVE, PILOT 3/8IN 3000PSI CRES 17-4 HP IN
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL 1 ITEMS
NSN4820-01-545-4087
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 284591-0001L1 · 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
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL 1 ITEMS
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZY
END ITEM IDENTIFICATIONVALVE, PILOT 3/8IN 3000PSI CRES 17-4 HP IN
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL 1 ITEMS
SUBSTITUTES & CROSS-REFERENCES 3
284591-0001Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
284593-0001 ITEM 1L1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
284593-0001 ITEM 1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 284591-0001L1?
284591-0001L1 is a VALVE ASSEMBLY.
What parts can replace 284591-0001L1?
There are 3 known substitutes for 284591-0001L1: 284591-0001, 284593-0001 ITEM 1L1, 284593-0001 ITEM 1. Substitute compatibility should be verified for your specific system.
What is the NSN for 284591-0001L1?
284591-0001L1 is cataloged in the U.S. Government catalog under NSN 4820-01-545-4087. 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.