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729D001 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

729D001: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, overall_height: 1.630 INCHES NOMINAL IN, style_designator: PLAIN, body_inside_diameter: 2.000 INCHES NOMINAL IN, end_item_identification: DOVER CORP WAFER VALVE 911C390, seal_accommodation_type: GROOVED. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-025-0370, 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
729D001
NSN: 4820-01-025-0370
FSC: 4820 — Valves, Nonpowered
CAGE: 91363 — NORRISEAL NORRIS VALUES DIV DBA DOVER CO (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
overall_height1.630 INCHES NOMINAL IN
style_designatorPLAIN
body_inside_diameter2.000 INCHES NOMINAL IN
end_item_identificationDOVER CORP WAFER VALVE 911C390
seal_accommodation_typeGROOVED
NSN4820-01-025-0370
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 729D001 · 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
•
SEAL ACCOMMODATION TYPE: GROOVED
•
STYLE DESIGNATOR: PLAIN
•
BODY INSIDE DIAMETER: 2.000 INCHES NOMINAL IN
•
MATERIAL: NICKEL ALLOY OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.630 INCHES NOMINAL IN
SEAL ACCOMMODATION TYPEGROOVED
STYLE DESIGNATORPLAIN
BODY INSIDE DIAMETER2.000 INCHES NOMINAL IN
END ITEM IDENTIFICATIONDOVER CORP WAFER VALVE 911C390
MATERIALNICKEL ALLOY OVERALL
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
51729D001Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 729D001?
729D001 is a SEAT,VALVE.
What parts can replace 729D001?
There is 1 known substitute for 729D001: 51729D001. Substitute compatibility should be verified for your specific system.
What is the NSN for 729D001?
729D001 is cataloged in the U.S. Government catalog under NSN 4820-01-025-0370. 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.