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7M1190ST220-3 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7M1190ST220-3: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, operating_medium: HIGH TEMPERATURE, EXTREME, special_features: OPERATING TEMPERATURE:-65 TO 275 DEGREES FAHRENHEIT, peripheral_diameter: 1.373 INCHES NOMINAL IN, center_hole_diameter: 1.213 INCHES NOMINAL IN, cross-sectional_height: 0.081 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-476-7052, 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
7M1190ST220-3
NSN: 5330-01-476-7052
FSC: 5330 — Packing and Gasket Materials
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
operating_mediumHIGH TEMPERATURE, EXTREME
special_featuresOPERATING TEMPERATURE:-65 TO 275 DEGREES FAHRENHEIT
peripheral_diameter1.373 INCHES NOMINAL IN
center_hole_diameter1.213 INCHES NOMINAL IN
cross-sectional_height0.081 INCHES NOMINAL IN
end_item_identificationF/A18-E LANDING GEAR
cross-sectional_shape_styleRECTANGULAR
criticality_code_justificationAGAV
part_name_assigned_by_controlling_agency(INAVY)PACKING, PREFORMED
NSN5330-01-476-7052
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7M1190ST220-3 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
OPERATING MEDIUM: HIGH TEMPERATURE, EXTREME
•
CROSS-SECTIONAL HEIGHT: 0.081 INCHES NOMINAL IN
•
CRITICALITY CODE JUSTIFICATION: AGAV
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL DIAMETER: 1.373 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 1.213 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OPERATING MEDIUMHIGH TEMPERATURE, EXTREME
CROSS-SECTIONAL HEIGHT0.081 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONAGAV
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL DIAMETER1.373 INCHES NOMINAL IN
SPECIAL FEATURESOPERATING TEMPERATURE:-65 TO 275 DEGREES FAHRENHEIT
CENTER HOLE DIAMETER1.213 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCY(INAVY)PACKING, PREFORMED
END ITEM IDENTIFICATIONF/A18-E LANDING GEAR
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
7220FT-4780TReference document
Same NSN cross-reference
Reference document — Secondary reference
7M1190Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7M1190ST220-3?
7M1190ST220-3 is a PACKING,PREFORMED.
What parts can replace 7M1190ST220-3?
There are 2 known substitutes for 7M1190ST220-3: 7220FT-4780T, 7M1190. Substitute compatibility should be verified for your specific system.
What is the NSN for 7M1190ST220-3?
7M1190ST220-3 is cataloged in the U.S. Government catalog under NSN 5330-01-476-7052. 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.