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20335-H — CYLINDER ASSEMBLY,ACTUATING,LINE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

20335-H: CYLINDER ASSEMBLY,ACTUATING,LINE.

CYLINDER ASSEMBLY,ACTUATING,LINE. Key specifications include material: IRON CAST BODY, valve_size: 2.000 INCHES IN, bonnet_type: OUTSIDE SCREW-YOKE, body_material: STEEL, pressure_rating: 600.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, special_features: ASTM A-339. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-197-8638, 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
20335-H
NSN: 4820-01-197-8638
NIINs: 011978638, 011978902, 011978937, 011978984, 011978993, 011979022, 011983028, 011983074, 011983076, 011998761
FSC: 4820 — Valves, Nonpowered
CAGE: 04537 — ATWOOD & MORRILL CO., INC. DBA WEIR VALVES AND CONTROLS USA (USA)
SPECIFICATIONS
materialIRON CAST BODY
valve_size2.000 INCHES IN
bonnet_typeOUTSIDE SCREW-YOKE
body_materialSTEEL
pressure_rating600.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
special_featuresASTM A-339
flow_control_deviceDISK
bonnet_attachment_methodBOLTED
media_for_which_designedOIL
general_characteristics_item_descriptionSTEEL,A-322 GR.4150,HARDNESS 450-500 BRINELL
NSN4820-01-197-8638
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20335-H · 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESSTEEL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 20335-H?
20335-H is a CYLINDER ASSEMBLY,ACTUATING,LINE.
What is the NSN for 20335-H?
20335-H is cataloged in the U.S. Government catalog under NSN 4820-01-197-8638. 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.