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577733 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

577733: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include case_style: SQUARE, seal_width: 0.312 INCHES NOMINAL IN, temp_rating: 40.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF, housing_bore_diameter: 2.061 INCHES MINIMUM AND 2.063 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-166-7949, 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
577733
NSN: 5330-01-166-7949
FSC: 5330 — Packing and Gasket Materials
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
case_styleSQUARE
seal_width0.312 INCHES NOMINAL IN
temp_rating40.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
housing_bore_diameter2.061 INCHES MINIMUM AND 2.063 INCHES MAXIMUM IN
NSN5330-01-166-7949
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 577733 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
•
TEMP RATING: 40.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
•
SEAL WIDTH: 0.312 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 2.061 INCHES MINIMUM AND 2.063 INCHES MAXIMUM IN
•
CASE STYLE: SQUARE
TECHNICAL CHARACTERISTICS
TEMP RATING40.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
SEAL WIDTH0.312 INCHES NOMINAL IN
HOUSING BORE DIAMETER2.061 INCHES MINIMUM AND 2.063 INCHES MAXIMUM IN
CASE STYLESQUARE
SUBSTITUTES & CROSS-REFERENCES 3
823976Reference document
Same NSN cross-reference
Reference document — Secondary reference
C-161902Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
823976 PC 17Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 577733?
577733 is a SEAL,PLAIN ENCASED.
What parts can replace 577733?
There are 3 known substitutes for 577733: 823976, C-161902, 823976 PC 17. Substitute compatibility should be verified for your specific system.
What is the NSN for 577733?
577733 is cataloged in the U.S. Government catalog under NSN 5330-01-166-7949. This indicates validated use in U.S. government and defense supply chains.
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