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998990-908ES — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

998990-908ES: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, center_hole_diameter: 0.644 INCHES NOMINAL IN, cross-sectional_height: 0.087 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-851-9033, 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
998990-908ES
NSN: 5330-00-851-9033
NIINs: 008519033, 008958088
FSC: 5330 — Packing and Gasket Materials
CAGE: H2313 — ERIKS B.V. (NLD)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
center_hole_diameter0.644 INCHES NOMINAL IN
cross-sectional_height0.087 INCHES NOMINAL IN
NSN5330-00-851-9033
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 998990-908ES 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: 0.087 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.644 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.087 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.644 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
19546Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 998990-908ES?
998990-908ES is a PACKING,PREFORMED.
What parts can replace 998990-908ES?
There is 1 known substitute for 998990-908ES: 19546. Substitute compatibility should be verified for your specific system.
What is the NSN for 998990-908ES?
998990-908ES is cataloged in the U.S. Government catalog under NSN 5330-00-851-9033. This indicates validated use in U.S. government and defense supply chains.
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