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4820PL1335577 — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4820PL1335577: DIAPHRAGM,VALVE,FLAT.

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, body_width: 4.000 INCHES NOMINAL IN, body_height: 5.312 INCHES NOMINAL IN, body_length: 4.625 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, mounting_method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-035-9916, 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
4820PL1335577
NSN: 4820-00-035-9916
FSC: 4820 — Valves, Nonpowered
CAGE: 9009H — JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX (POL)
SPECIFICATIONS
materialNICKEL ALLOY
body_width4.000 INCHES NOMINAL IN
body_height5.312 INCHES NOMINAL IN
body_length4.625 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
pressure_rating150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
frequency_rating60.0 HERTZ NOMINAL SINGLE COMPONENT
special_featuresFOR SZ 8.000 IN. GLOBE VALVE IN
reliability_indicatorNOT ESTABLISHED
seating_surface_shapeANGULAR
end_item_identification6685-00-703-6811
NSN4820-00-035-9916
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4820PL1335577 · 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
SUBSTITUTES & CROSS-REFERENCES 5
C1493Reference document
Same NSN cross-reference
Reference document — Secondary reference
90842Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
90842 ITEM 9 2 INReference document
Same NSN cross-reference
Reference document — Secondary reference
90842 ITEM 9 2IReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
M062101-08Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4820PL1335577?
4820PL1335577 is a DIAPHRAGM,VALVE,FLAT.
What parts can replace 4820PL1335577?
There are 5 known substitutes for 4820PL1335577: C1493, 90842, 90842 ITEM 9 2 IN and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4820PL1335577?
4820PL1335577 is cataloged in the U.S. Government catalog under NSN 4820-00-035-9916. 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.