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803-1385721-7 — CONVERTER,DIRECT CURRENT TO DIRE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

803-1385721-7: CONVERTER,DIRECT CURRENT TO DIRE.

CONVERTER,DIRECT CURRENT TO DIRE. Key specifications include material: PLASTIC POLYAMIDE NYLON AND COPPER ALLOY FLOW CONTROL DEVICE, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: SOCKET WITH BRAZING RING (PIPE) ALL ENDS, style_designator: STRAIGHT THRU, mounting_position: HORIZONTAL OR VERTICAL, operating_pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-482-8908, 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
803-1385721-7
NSN: 4820-00-482-8908
NIINs: 004828908, 013954936, 014487228, 014914781
FSC: 4820 — Valves, Nonpowered
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON AND COPPER ALLOY FLOW CONTROL DEVICE
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
connection_styleSOCKET WITH BRAZING RING (PIPE) ALL ENDS
style_designatorSTRAIGHT THRU
mounting_positionHORIZONTAL OR VERTICAL
operating_pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISK
maximum_operating_temp150.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodAUTOMATIC
end_item_identificationNIMITZ CLASS,CVN 76
media_for_which_designedAIR SINGLE RESPONSE
criticality_code_justificationZZZY
NSN4820-00-482-8908
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 803-1385721-7 · 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
•
FLOW CONTROL DEVICE: DISK
•
CONNECTION STYLE: PLAIN (TUBE) ALL ENDS
•
MOUNTING POSITION: HORIZONTAL
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE SEAT
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
CONNECTION STYLEPLAIN (TUBE) ALL ENDS
MOUNTING POSITIONHORIZONTAL
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390, ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
SUBSTITUTES & CROSS-REFERENCES 7
209-7438555Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
209-7438555 ITEM V-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
EA15931Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
4DP2041Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
803-1385721 1-1/2INReference document
Same NSN cross-reference
Reference document — Secondary reference
1385721EM0D 1-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 803-1385721-7?
803-1385721-7 is a CONVERTER,DIRECT CURRENT TO DIRE.
What parts can replace 803-1385721-7?
There are 7 known substitutes for 803-1385721-7: 209-7438555, 209-7438555 ITEM V-2, EA15931 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 803-1385721-7?
803-1385721-7 is cataloged in the U.S. Government catalog under NSN 4820-00-482-8908. 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.