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361E840-1 — VALVE,REGULATING,OXYGEN SYSTEM P

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

361E840-1: VALVE,REGULATING,OXYGEN SYSTEM P.

VALVE,REGULATING,OXYGEN SYSTEM P. Key specifications include end_item_identification: AIRCRAFT MODELS F-14D,F-18C/D, criticality_code_justification: FEAT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-365-5583, 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
361E840-1
NSN: 4820-01-365-5583
FSC: 4820 — Valves, Nonpowered
CAGE: 30941 — EAST/WEST INDUSTRIES, INC. (USA)
SPECIFICATIONS
end_item_identificationAIRCRAFT MODELS F-14D,F-18C/D
criticality_code_justificationFEAT
NSN4820-01-365-5583
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 361E840-1 · 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
•
CRITICALITY CODE JUSTIFICATION: FEAT
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONFEAT
SPECIAL FEATURESCOMPONENTS INCLUDE 'O' RING 2,RETAINING RING 2,MALE CONNECTOR 1,RDCR BODY,1,RDCR POPPET 1,RDCR RETAINER 1,RDCR PISTON 1,RING LOCK 1,BACK-UP RING 1,STOP 1,FILTER 1,POPPET GUIDE 1,SEAT 1,POPPET SPRING 1;FLIGHT SAFETY CRITICAL
END ITEM IDENTIFICATIONAIRCRAFT MODELS F-14D,F-18C/D
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
10307534Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedDemilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is 361E840-1?
361E840-1 is a VALVE,REGULATING,OXYGEN SYSTEM P.
What parts can replace 361E840-1?
There is 1 known substitute for 361E840-1: 10307534. Substitute compatibility should be verified for your specific system.
What is the NSN for 361E840-1?
361E840-1 is cataloged in the U.S. Government catalog under NSN 4820-01-365-5583. 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.