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944934 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

944934: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, flange_diameter: 0.802 INCHES MINIMUM AND 0.804 INCHES MAXIMUM IN, style_designator: PLAIN FLANGED, seat_angle_in_deg: 0.750 NOMINAL, under_flange_height: 0.990 INCHES NOMINAL IN, body_inside_diameter: 0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-034-1691, 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
944934
NSN: 4820-00-034-1691
FSC: 4820 — Valves, Nonpowered
CAGE: 1X0J7 — VOLVO CONSTRUCTION EQUIPMENT NORTH AMERICA, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flange_diameter0.802 INCHES MINIMUM AND 0.804 INCHES MAXIMUM IN
style_designatorPLAIN FLANGED
seat_angle_in_deg0.750 NOMINAL
under_flange_height0.990 INCHES NOMINAL IN
body_inside_diameter0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
fsc_application_dataVALVE,POWER BRAKE
body_outside_diameter0.580 INCHES MINIMUM AND 0.588 INCHES MAXIMUM IN
seating_surface_shapeANGULAR
end_item_identification3930-00-903-0899
flange_seat_to_disk_end_height0.160 INCHES NOMINAL IN
NSN4820-00-034-1691
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 944934 · 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: 0.160 INCHES NOMINAL IN
•
FLANGE DIAMETER: 0.802 INCHES MINIMUM AND 0.804 INCHES MAXIMUM IN
•
FSC APPLICATION DATA: VALVE,POWER BRAKE
•
BODY OUTSIDE DIAMETER: 0.580 INCHES MINIMUM AND 0.588 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
BODY INSIDE DIAMETER: 0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
•
UNDER FLANGE HEIGHT: 0.990 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.160 INCHES NOMINAL IN
FLANGE DIAMETER0.802 INCHES MINIMUM AND 0.804 INCHES MAXIMUM IN
FSC APPLICATION DATAVALVE,POWER BRAKE
BODY OUTSIDE DIAMETER0.580 INCHES MINIMUM AND 0.588 INCHES MAXIMUM IN
STYLE DESIGNATORPLAIN FLANGED
BODY INSIDE DIAMETER0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
UNDER FLANGE HEIGHT0.990 INCHES NOMINAL IN
END ITEM IDENTIFICATION3930-00-903-0899
MATERIALSTEEL OVERALL
SEAT ANGLE IN DEG0.750 NOMINAL
SUBSTITUTES & CROSS-REFERENCES 1
610733Reference 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 944934?
944934 is a SEAT,VALVE.
What parts can replace 944934?
There is 1 known substitute for 944934: 610733. Substitute compatibility should be verified for your specific system.
What is the NSN for 944934?
944934 is cataloged in the U.S. Government catalog under NSN 4820-00-034-1691. 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.