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C40019 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

C40019: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, flange_diameter: 2.000 INCHES NOMINAL IN, style_designator: THREADED FLANGED, under_flange_height: 0.500 INCHES NOMINAL IN, body_inside_diameter: 1.375 INCHES NOMINAL IN, seating_surface_shape: FLAT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-120-0412, 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
C40019
NSN: 4820-01-120-0412
FSC: 4820 — Valves, Nonpowered
CAGE: 0FR35 — CLARK CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
flange_diameter2.000 INCHES NOMINAL IN
style_designatorTHREADED FLANGED
under_flange_height0.500 INCHES NOMINAL IN
body_inside_diameter1.375 INCHES NOMINAL IN
seating_surface_shapeFLAT
flange_seat_to_disk_end_height0.219 INCHES NOMINAL IN
NSN4820-01-120-0412
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: C40019 · 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: 0.219 INCHES NOMINAL IN
•
FLANGE DIAMETER: 2.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: THREADED FLANGED
•
BODY INSIDE DIAMETER: 1.375 INCHES NOMINAL IN
•
UNDER FLANGE HEIGHT: 0.500 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
SEATING SURFACE SHAPE: FLAT
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.219 INCHES NOMINAL IN
FLANGE DIAMETER2.000 INCHES NOMINAL IN
STYLE DESIGNATORTHREADED FLANGED
BODY INSIDE DIAMETER1.375 INCHES NOMINAL IN
UNDER FLANGE HEIGHT0.500 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
SEATING SURFACE SHAPEFLAT
SUBSTITUTES & CROSS-REFERENCES 3
40019Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
24909NReference document
Same NSN cross-reference
Reference document — Drawing number reference only
24909N ITEM 22Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is C40019?
C40019 is a BEARING,BALL,ANNULAR.
What parts can replace C40019?
There are 3 known substitutes for C40019: 40019, 24909N, 24909N ITEM 22. Substitute compatibility should be verified for your specific system.
What is the NSN for C40019?
C40019 is cataloged in the U.S. Government catalog under NSN 4820-01-120-0412. 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.