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803-6397408-PC017 — DIAPHRAGM,ACTUATOR VALVE,SPECIAL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

803-6397408-PC017: DIAPHRAGM,ACTUATOR VALVE,SPECIAL.

DIAPHRAGM,ACTUATOR VALVE,SPECIAL. Key specifications include material: PLASTIC POLYAMIDE NYLON, end_item_identification: 1 1/2IN THRU-8IN SIZE,SPRINKLER VALVE AFFF/MAGAZINE;NAVAL SEA SYSTEMS COMMAND IN, material_document_and_classification: LOCKHEED-CALIFORNIA CO, C-22-1221 MFR REF SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-393-9906, 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
803-6397408-PC017
NSN: 4820-01-393-9906
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON
end_item_identification1 1/2IN THRU-8IN SIZE,SPRINKLER VALVE AFFF/MAGAZINE;NAVAL SEA SYSTEMS COMMAND IN
material_document_and_classificationLOCKHEED-CALIFORNIA CO, C-22-1221 MFR REF SINGLE MATERIAL RESPONSE
NSN4820-01-393-9906
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 803-6397408-PC017 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: LOCKHEED-CALIFORNIA CO, C-22-1221 MFR REF SINGLE MATERIAL RESPONSE
•
MATERIAL: PLASTIC POLYAMIDE NYLON
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONLOCKHEED-CALIFORNIA CO, C-22-1221 MFR REF SINGLE MATERIAL RESPONSE
END ITEM IDENTIFICATION1 1/2IN THRU-8IN SIZE,SPRINKLER VALVE AFFF/MAGAZINE;NAVAL SEA SYSTEMS COMMAND IN
MATERIALPLASTIC POLYAMIDE NYLON
SUBSTITUTES & CROSS-REFERENCES 1
6397408Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 803-6397408-PC017?
803-6397408-PC017 is a DIAPHRAGM,ACTUATOR VALVE,SPECIAL.
What parts can replace 803-6397408-PC017?
There is 1 known substitute for 803-6397408-PC017: 6397408. Substitute compatibility should be verified for your specific system.
What is the NSN for 803-6397408-PC017?
803-6397408-PC017 is cataloged in the U.S. Government catalog under NSN 4820-01-393-9906. 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.