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220322 — COVER,CYLINDER HEAD

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

220322: COVER,CYLINDER HEAD.

The COVER,CYLINDER HEAD is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_height: 1.650 INCHES NOMINAL IN, shank_diameter: 0.550 INCHES NOMINAL IN, flange_diameter: 1.125 INCHES NOMINAL IN, special_features: SEATING ANGLE 45.0 DEGREE,SHANK 0.375 IN.ID IN, style_designator: POPPET. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-306-1281, 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
220322
NSN: 4820-00-306-1281
NIINs: 003061281, 003537553
FSC: 4820 — Valves, Nonpowered
CAGE: 26505 — GROVE VALVE OPERATIONS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_height1.650 INCHES NOMINAL IN
shank_diameter0.550 INCHES NOMINAL IN
flange_diameter1.125 INCHES NOMINAL IN
special_featuresSEATING ANGLE 45.0 DEGREE,SHANK 0.375 IN.ID IN
style_designatorPOPPET
general_characteristics_item_descriptionSTEEL,QQ-S-00640,TEMPER 2-5,3.750 IN. W O/A,2.969 IN. LG O/A,2.250 IN. H O/A,2 BOLT HOLES 0.312 IN. DIA W/0.312 IN. RADIUS EARS IN
NSN4820-00-306-1281
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 220322 · 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
•
SHANK DIAMETER: 0.550 INCHES NOMINAL IN
•
FLANGE DIAMETER: 1.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: POPPET
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.550 INCHES NOMINAL IN
FLANGE DIAMETER1.125 INCHES NOMINAL IN
OVERALL HEIGHT1.650 INCHES NOMINAL IN
STYLE DESIGNATORPOPPET
SPECIAL FEATURESSEATING ANGLE 45.0 DEGREE,SHANK 0.375 IN.ID IN
MATERIALSTEEL CORROSION RESISTING
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 220322?
220322 is a COVER,CYLINDER HEAD.
What is the NSN for 220322?
220322 is cataloged in the U.S. Government catalog under NSN 4820-00-306-1281. 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.