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Technical Data Sheet
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550077 — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

550077: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-699-6624, 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
550077
NSN: 5330-01-699-6624
FSC: 5330 — Packing and Gasket Materials
CAGE: 40474 — INDUSTRIAL MAGNETICS, INC. (USA)
SPECIFICATIONS
Part Number550077
NSN5330-01-699-6624
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 550077 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
SUBSTITUTES & CROSS-REFERENCES 2
32793Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
32793 ITEM 1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 550077?
550077 is a SEAL,PLAIN.
What parts can replace 550077?
There are 2 known substitutes for 550077: 32793, 32793 ITEM 1. Substitute compatibility should be verified for your specific system.
What is the NSN for 550077?
550077 is cataloged in the U.S. Government catalog under NSN 5330-01-699-6624. This indicates validated use in U.S. government and defense supply chains.
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