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C4622 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

C4622: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER OVERALL, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.364 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 3.880 INCHES NOMINAL IN, style_designator: THREADED FLANGED, seat_angle_in_deg: 5.000 NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-035-9927, 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
C4622
NSN: 4820-00-035-9927
NIINs: 000359927, 011037688
FSC: 4820 — Valves, Nonpowered
CAGE: 86184 — GRISWOLD INDUSTRIES DBA CLA-VAL CO (USA)
SPECIFICATIONS
materialCOPPER OVERALL
thread_class2A SINGLE THREADED PORTION A
thread_length0.364 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter3.880 INCHES NOMINAL IN
style_designatorTHREADED FLANGED
seat_angle_in_deg5.000 NOMINAL
nominal_thread_size3.500 INCHES SINGLE THREADED PORTION IN
under_flange_height1.318 INCHES NOMINAL IN
body_inside_diameter3.000 INCHES MINIMUM AND 3.004 INCHES MAXIMUM IN
seating_surface_shapeANGULAR
thread_quantity_per_inch16 SINGLE THREADED PORTION
thread_series_designatorUN SINGLE THREADED PORTION
NSN4820-00-035-9927
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: C4622 · 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: 0.312 INCHES NOMINAL IN
•
FLANGE DIAMETER: 3.880 INCHES NOMINAL IN
•
THREAD LENGTH: 0.364 INCHES NOMINAL SINGLE THREADED PORTION IN
•
STYLE DESIGNATOR: THREADED FLANGED
•
BODY INSIDE DIAMETER: 3.000 INCHES MINIMUM AND 3.004 INCHES MAXIMUM IN
•
NOMINAL THREAD SIZE: 3.500 INCHES SINGLE THREADED PORTION IN
•
UNDER FLANGE HEIGHT: 1.318 INCHES NOMINAL IN
•
THREAD CLASS: 2A SINGLE THREADED PORTION A
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.312 INCHES NOMINAL IN
FLANGE DIAMETER3.880 INCHES NOMINAL IN
THREAD LENGTH0.364 INCHES NOMINAL SINGLE THREADED PORTION IN
STYLE DESIGNATORTHREADED FLANGED
BODY INSIDE DIAMETER3.000 INCHES MINIMUM AND 3.004 INCHES MAXIMUM IN
NOMINAL THREAD SIZE3.500 INCHES SINGLE THREADED PORTION IN
UNDER FLANGE HEIGHT1.318 INCHES NOMINAL IN
THREAD CLASS2A SINGLE THREADED PORTION A
THREAD QUANTITY PER INCH16 SINGLE THREADED PORTION
MATERIALCOPPER OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 C4622?
C4622 is a SEAT,VALVE.
What is the NSN for C4622?
C4622 is cataloged in the U.S. Government catalog under NSN 4820-00-035-9927. 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.