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4820PL1381559 — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4820PL1381559: DIAPHRAGM,VALVE,FLAT.

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, outside_diameter: 7.200 INCHES NOMINAL IN, special_features: FABRIC REINFORCED, style_designator: FLAT, material_thickness: 0.092 INCHES NOMINAL IN, center_hole_diameter: 0.770 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-757-2977, 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
4820PL1381559
NSN: 4820-00-757-2977
FSC: 4820 — Valves, Nonpowered
CAGE: 9009H — JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX (POL)
SPECIFICATIONS
materialRUBBER SYNTHETIC
outside_diameter7.200 INCHES NOMINAL IN
special_featuresFABRIC REINFORCED
style_designatorFLAT
material_thickness0.092 INCHES NOMINAL IN
center_hole_diameter0.770 INCHES NOMINAL IN
NSN4820-00-757-2977
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4820PL1381559 · 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
•
OUTSIDE DIAMETER: 7.200 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT
•
MATERIAL THICKNESS: 0.092 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.770 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER7.200 INCHES NOMINAL IN
STYLE DESIGNATORFLAT
MATERIAL THICKNESS0.092 INCHES NOMINAL IN
SPECIAL FEATURESFABRIC REINFORCED
CENTER HOLE DIAMETER0.770 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC
SUBSTITUTES & CROSS-REFERENCES 2
76-8665Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
32843Reference 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 4820PL1381559?
4820PL1381559 is a DIAPHRAGM,VALVE,FLAT.
What parts can replace 4820PL1381559?
There are 2 known substitutes for 4820PL1381559: 76-8665, 32843. Substitute compatibility should be verified for your specific system.
What is the NSN for 4820PL1381559?
4820PL1381559 is cataloged in the U.S. Government catalog under NSN 4820-00-757-2977. 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.