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22999945 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

22999945: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY SEAT, overall_height: 0.438 INCHES NOMINAL IN, flange_diameter: 1.000 INCHES NOMINAL IN, special_features: CMBAILEY NR 673M; 0.625 IN. HOLE IN.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-281-1644, 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
22999945
NSN: 4820-01-281-1644
FSC: 4820 — Valves, Nonpowered
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialNICKEL ALLOY SEAT
overall_height0.438 INCHES NOMINAL IN
flange_diameter1.000 INCHES NOMINAL IN
special_featuresCMBAILEY NR 673M; 0.625 IN. HOLE IN
NSN4820-01-281-1644
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 22999945 · 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 DIAMETER: 1.000 INCHES NOMINAL IN
•
MATERIAL: NICKEL ALLOY SEAT
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER1.000 INCHES NOMINAL IN
OVERALL HEIGHT0.438 INCHES NOMINAL IN
SPECIAL FEATURESCMBAILEY NR 673M; 0.625 IN. HOLE IN
MATERIALNICKEL ALLOY SEAT
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

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 22999945?
22999945 is a SEAT,VALVE.
What is the NSN for 22999945?
22999945 is cataloged in the U.S. Government catalog under NSN 4820-01-281-1644. 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.