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803-7106793-4-2-004 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

803-7106793-4-2-004: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZY, reference_number_differentiating_characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-488-8284, 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
803-7106793-4-2-004
NSN: 4820-01-488-8284
NIINs: 014888284, 016234999
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
NSN4820-01-488-8284
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 803-7106793-4-2-004 · 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
•
BODY OUTSIDE DIAMETER: 4.725 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
BODY INSIDE DIAMETER: 3.890 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE SEAT
•
SEAT ANGLE IN DEG: 45.000 NOMINAL
•
SEATING SURFACE SHAPE: ANGULAR
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.180 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER4.725 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
BODY INSIDE DIAMETER3.890 INCHES NOMINAL IN
END ITEM IDENTIFICATIONE/I:BUTTERFLY VALVE 4 INCH,W/S:SSN(688) IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE SEAT
SEAT ANGLE IN DEG45.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
SUBSTITUTES & CROSS-REFERENCES 2
803-7106793-4-1-004Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
803-7106793Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 803-7106793-4-2-004?
803-7106793-4-2-004 is a SEAT,VALVE.
What parts can replace 803-7106793-4-2-004?
There are 2 known substitutes for 803-7106793-4-2-004: 803-7106793-4-1-004, 803-7106793. Substitute compatibility should be verified for your specific system.
What is the NSN for 803-7106793-4-2-004?
803-7106793-4-2-004 is cataloged in the U.S. Government catalog under NSN 4820-01-488-8284. 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.