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803-4385058-X-005L1 — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

803-4385058-X-005L1: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, end_item_identification: 8IN BALL VALVE IN, valve_size_for_which_designed: 8.000 INCHES IN, valve_type_for_which_designed: BALL, criticality_code_justification: ZZZY, material_document_and_classification: MIL-B-24059 MIL SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-324-5438, 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
803-4385058-X-005L1
NSN: 4820-01-324-5438
FSC: 4820 — Valves, Nonpowered
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialCOPPER ALLOY
end_item_identification8IN BALL VALVE IN
valve_size_for_which_designed8.000 INCHES IN
valve_type_for_which_designedBALL
criticality_code_justificationZZZY
material_document_and_classificationMIL-B-24059 MIL SPEC SINGLE MATERIAL RESPONSE
reference_number_differentiating_characteristicsMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
NSN4820-01-324-5438
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 803-4385058-X-005L1 · 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
•
VALVE TYPE FOR WHICH DESIGNED: BALL
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-24059 MIL SPEC SINGLE MATERIAL RESPONSE
•
VALVE SIZE FOR WHICH DESIGNED: 8.000 INCHES IN
•
MATERIAL: COPPER ALLOY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDBALL
CRITICALITY CODE JUSTIFICATIONZZZY
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-24059 MIL SPEC SINGLE MATERIAL RESPONSE
VALVE SIZE FOR WHICH DESIGNED8.000 INCHES IN
END ITEM IDENTIFICATION8IN BALL VALVE IN
MATERIALCOPPER ALLOY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
SUBSTITUTES & CROSS-REFERENCES 3
803-4385058 PIECE 23,24,25Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
803-4385058-X-005Reference document
Same NSN cross-reference
Reference document — Secondary reference
803-4385058 PIECE 23,24,25L1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 803-4385058-X-005L1?
803-4385058-X-005L1 is a STEM,FLUID VALVE.
What parts can replace 803-4385058-X-005L1?
There are 3 known substitutes for 803-4385058-X-005L1: 803-4385058 PIECE 23,24,25, 803-4385058-X-005, 803-4385058 PIECE 23,24,25L1. Substitute compatibility should be verified for your specific system.
What is the NSN for 803-4385058-X-005L1?
803-4385058-X-005L1 is cataloged in the U.S. Government catalog under NSN 4820-01-324-5438. 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.