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204-83503-1 — VALVE,REDUCER PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

204-83503-1: VALVE,REDUCER PRESSURE.

The VALVE,REDUCER PRESSURE is a the manufacturer industrial component. Key specifications include end_item_identification: AWA COMPUTER SYSTEM MODEL 411I-E-3A A, general_characteristics_item_description: OPERATING TEMPERATURE MINUS 65 DEG F TO PLUS 160 DEG F,OPERATING PRESSURE 3000 PSI,MEDIA HYD FLUID PER MIL-H-5606 DEGF. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-015-0171, 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
204-83503-1
NSN: 4820-01-015-0171
FSC: 4820 — Valves, Nonpowered
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
end_item_identificationAWA COMPUTER SYSTEM MODEL 411I-E-3A A
general_characteristics_item_descriptionOPERATING TEMPERATURE MINUS 65 DEG F TO PLUS 160 DEG F,OPERATING PRESSURE 3000 PSI,MEDIA HYD FLUID PER MIL-H-5606 DEGF
NSN4820-01-015-0171
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 204-83503-1 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: OPERATING TEMPERATURE MINUS 65 DEG F TO PLUS 160 DEG F,OPERATING PRESSURE 3000 PSI,MEDIA HYD FLUID PER MIL-H-5606 DEGF
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONOPERATING TEMPERATURE MINUS 65 DEG F TO PLUS 160 DEG F,OPERATING PRESSURE 3000 PSI,MEDIA HYD FLUID PER MIL-H-5606 DEGF
END ITEM IDENTIFICATIONAWA COMPUTER SYSTEM MODEL 411I-E-3A A
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
3057000-11Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 204-83503-1?
204-83503-1 is a VALVE,REDUCER PRESSURE.
What parts can replace 204-83503-1?
There is 1 known substitute for 204-83503-1: 3057000-11. Substitute compatibility should be verified for your specific system.
What is the NSN for 204-83503-1?
204-83503-1 is cataloged in the U.S. Government catalog under NSN 4820-01-015-0171. 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.