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WB804 — RING,UPPER,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

WB804: RING,UPPER,VALVE.

The RING,UPPER,VALVE is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STEEL,CORROSION RESISTING,3.062 IN. LARGEST OD,2.562-18 NS RH INTERNAL THD,WRENCHING LUGS ON OD,1.184 IN.

O/A H IN. This part is cataloged in the U.S. Government catalog under NSN 4820-01-038-7796, 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
WB804
NSN: 4820-01-038-7796
FSC: 4820 — Valves, Nonpowered
CAGE: 38056 — ASHCROFT INC DBA HEISE (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL,CORROSION RESISTING,3.062 IN. LARGEST OD,2.562-18 NS RH INTERNAL THD,WRENCHING LUGS ON OD,1.184 IN. O/A H IN
NSN4820-01-038-7796
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: WB804 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL,CORROSION RESISTING,3.062 IN. LARGEST OD,2.562-18 NS RH INTERNAL THD,WRENCHING LUGS ON OD,1.184 IN. O/A H IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL,CORROSION RESISTING,3.062 IN. LARGEST OD,2.562-18 NS RH INTERNAL THD,WRENCHING LUGS ON OD,1.184 IN. O/A H IN
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 2
WBB804Reference document
Same NSN cross-reference
Reference document — Secondary reference
5VZP72PC8Reference 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 WB804?
WB804 is a RING,UPPER,VALVE.
What parts can replace WB804?
There are 2 known substitutes for WB804: WBB804, 5VZP72PC8. Substitute compatibility should be verified for your specific system.
What is the NSN for WB804?
WB804 is cataloged in the U.S. Government catalog under NSN 4820-01-038-7796. 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.