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802842K — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

802842K: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, flange_diameter: 0.688 INCHES NOMINAL IN, special_features: CENTER HOLE DIA. 0.215 IN.

IN, style_designator: PLAIN FLANGED, under_flange_height: 0.062 INCHES NOMINAL IN, body_inside_diameter: 0.188 INCHES NOMINAL IN. This part is cataloged in the U.S. Government catalog under NSN 4820-00-075-0353, 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
802842K
NSN: 4820-00-075-0353
FSC: 4820 — Valves, Nonpowered
CAGE: 71229 — WALTRON BULL & ROBERTS, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flange_diameter0.688 INCHES NOMINAL IN
special_featuresCENTER HOLE DIA. 0.215 IN. IN
style_designatorPLAIN FLANGED
under_flange_height0.062 INCHES NOMINAL IN
body_inside_diameter0.188 INCHES NOMINAL IN
body_outside_diameter0.500 INCHES NOMINAL IN
seating_surface_shapeFLAT
flange_seat_to_disk_end_height0.094 INCHES NOMINAL IN
NSN4820-00-075-0353
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 802842K · 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
•
FLANGE SEAT TO DISK END HEIGHT: 0.094 INCHES NOMINAL IN
•
FLANGE DIAMETER: 0.688 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
BODY INSIDE DIAMETER: 0.188 INCHES NOMINAL IN
•
UNDER FLANGE HEIGHT: 0.062 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.094 INCHES NOMINAL IN
FLANGE DIAMETER0.688 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN FLANGED
BODY INSIDE DIAMETER0.188 INCHES NOMINAL IN
SPECIAL FEATURESCENTER HOLE DIA. 0.215 IN. IN
UNDER FLANGE HEIGHT0.062 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SEATING SURFACE SHAPEFLAT
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
D802842KReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 802842K?
802842K is a SEAT,VALVE.
What parts can replace 802842K?
There is 1 known substitute for 802842K: D802842K. Substitute compatibility should be verified for your specific system.
What is the NSN for 802842K?
802842K is cataloged in the U.S. Government catalog under NSN 4820-00-075-0353. 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.