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820744 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

820744: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR OVERALL, hardness_rating: 40.0 SHORE DUROMETER A NOMINAL OVERALL, special_features: OUTER GROOVE DEPTH 0.138 IN. MIN AND 0.142 IN.

MAX,BODY RECESS DIA 0.730 IN. MIN AND 0.770 IN. MAX IN, peripheral_diameter: 0.814 INCHES NOMINAL IN, center_hole_diameter: 0.620 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN, cross-sectional_height: 0.458 INCHES MINIMUM AND 0.462 INCHES MAXIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 5330-00-706-5965, 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
820744
NSN: 5330-00-706-5965
FSC: 5330 — Packing and Gasket Materials
CAGE: 06141 — L3 AVIATION PRODUCTS, INC. DBA L3 TECHNOLOGIES (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR OVERALL
hardness_rating40.0 SHORE DUROMETER A NOMINAL OVERALL
special_featuresOUTER GROOVE DEPTH 0.138 IN. MIN AND 0.142 IN. MAX,BODY RECESS DIA 0.730 IN. MIN AND 0.770 IN. MAX IN
peripheral_diameter0.814 INCHES NOMINAL IN
center_hole_diameter0.620 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN
cross-sectional_height0.458 INCHES MINIMUM AND 0.462 INCHES MAXIMUM IN
cross-sectional_shape_styleOVAL
NSN5330-00-706-5965
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 820744 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
•
CROSS-SECTIONAL HEIGHT: 0.458 INCHES MINIMUM AND 0.462 INCHES MAXIMUM IN
•
HARDNESS RATING: 40.0 SHORE DUROMETER A NOMINAL OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: OVAL
•
PERIPHERAL DIAMETER: 0.814 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.620 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.458 INCHES MINIMUM AND 0.462 INCHES MAXIMUM IN
HARDNESS RATING40.0 SHORE DUROMETER A NOMINAL OVERALL
CROSS-SECTIONAL SHAPE STYLEOVAL
PERIPHERAL DIAMETER0.814 INCHES NOMINAL IN
SPECIAL FEATURESOUTER GROOVE DEPTH 0.138 IN. MIN AND 0.142 IN. MAX,BODY RECESS DIA 0.730 IN. MIN AND 0.770 IN. MAX IN
CENTER HOLE DIAMETER0.620 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN
MATERIALRUBBER CHLOROPRENE CLASS CR 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 820744?
820744 is a PACKING,PREFORMED.
What is the NSN for 820744?
820744 is cataloged in the U.S. Government catalog under NSN 5330-00-706-5965. This indicates validated use in U.S. government and defense supply chains.
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