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5C1-04871 — FLUSHING BLOCK,HYDRAULIC SYSTEM

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

5C1-04871: FLUSHING BLOCK,HYDRAULIC SYSTEM.

FLUSHING BLOCK,HYDRAULIC SYSTEM. Key specifications include material: STEEL CORROSION RESISTING, overall_width: 3.000 INCHES NOMINAL IN, overall_height: 4.160 INCHES NOMINAL IN, overall_length: 5.620 INCHES NOMINAL IN, special_features: CAPSTAN ASSY. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-412-0800, 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
5C1-04871
NSN: 4820-01-412-0800
FSC: 4820 — Valves, Nonpowered
CAGE: 34712 — LAKE SHORE SYSTEMS, INC. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_width3.000 INCHES NOMINAL IN
port_quantity2
overall_height4.160 INCHES NOMINAL IN
overall_length5.620 INCHES NOMINAL IN
special_featuresCAPSTAN ASSY
NSN4820-01-412-0800
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 5C1-04871 · 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
•
PORT QUANTITY: 2
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT4.160 INCHES NOMINAL IN
PORT QUANTITY2
OVERALL LENGTH5.620 INCHES NOMINAL IN
OVERALL WIDTH3.000 INCHES NOMINAL IN
SPECIAL FEATURESCAPSTAN ASSY
MATERIALSTEEL CORROSION RESISTING
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
5D3-03871-86Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 5C1-04871?
5C1-04871 is a FLUSHING BLOCK,HYDRAULIC SYSTEM.
What parts can replace 5C1-04871?
There is 1 known substitute for 5C1-04871: 5D3-03871-86. Substitute compatibility should be verified for your specific system.
What is the NSN for 5C1-04871?
5C1-04871 is cataloged in the U.S. Government catalog under NSN 4820-01-412-0800. 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.