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Technical Data Sheet
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55-50519-1 — SEAT,VALVE

✓ Government record, cited
Dell · GATE VALVE
PRODUCT OVERVIEW

55-50519-1: SEAT,VALVE.

Built to work. Designed to impress. Keep your workforce productive on the go or at the desk with a fully featured, beautifully designed workhorse laptop that’s secure, manageable and reliable.

Built for work. Designed to impress. Thin and light for mobile productivity: Introducing Dell’s thinnest and lightest mainstream laptop yet.

With all-day battery life, you can stay productive wherever your work takes you. Full features for business professionals: Get the latest generation of Intel® Core™ processors, optional backlit keyboard, and the most options of ports, storage, connectivity and displays of any Latitude. Premium design for a premium experience: Experience impressive beauty and durability with magnesium alloy LCD display options.

Thoughtfully created for business professionals. Durability you can depend on: Your Latitude 15 5000 Series is built to last, with spill-proof key This part is cataloged in the U.S. Government catalog under NSN 4810-00-671-7388, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
55-50519-1
NSN: 4810-00-671-7388
FSC: 4810 — Valves, Powered
CAGE: 80020 — NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION JOINT BASE JBMDL (USA)
SPECIFICATIONS
Part Number55-50519-1
ManufacturerDell
NSN4810-00-671-7388
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 55-50519-1 · Dell ⚠ 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
OTHER ITEMS IN FSC 4810 — Valves, Powered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4810-00-001-1247 4810-00-001-4499 4810-00-001-4531 4810-00-001-4532 4810-00-001-4554 4810-00-001-4555 4810-00-001-4556 4810-00-001-4611
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 55-50519-1?
55-50519-1 is a SEAT,VALVE manufactured by Dell.
What is the NSN for 55-50519-1?
55-50519-1 is cataloged in the U.S. Government catalog under NSN 4810-00-671-7388. 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.