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520-10247-1 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

520-10247-1: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL CASE, case_style: SQUARE, seal_width: 0.563 INCHES NOMINAL IN, outside_diameter: 8.631 INCHES NOMINAL IN, housing_bore_diameter: 8.625 INCHES NOMINAL IN, sealing_element_style: VERTICAL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-207-9376, 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
520-10247-1
NSN: 5330-01-207-9376
FSC: 5330 — Packing and Gasket Materials
CAGE: 16412 — GEAR PRODUCTS, INC DBA GEAR PRODUCTS, INC (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.563 INCHES NOMINAL IN
outside_diameter8.631 INCHES NOMINAL IN
housing_bore_diameter8.625 INCHES NOMINAL IN
sealing_element_styleVERTICAL
accommodated_shaft_diameter7.625 INCHES NOMINAL IN
NSN5330-01-207-9376
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 520-10247-1 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
•
SEAL WIDTH: 0.563 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: VERTICAL
•
OUTSIDE DIAMETER: 8.631 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 8.625 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 7.625 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.563 INCHES NOMINAL IN
SEALING ELEMENT STYLEVERTICAL
OUTSIDE DIAMETER8.631 INCHES NOMINAL IN
HOUSING BORE DIAMETER8.625 INCHES NOMINAL IN
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER7.625 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
MATERIALSTEEL CASE
SUBSTITUTES & CROSS-REFERENCES 1
76215Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 520-10247-1?
520-10247-1 is a SEAL,PLAIN ENCASED.
What parts can replace 520-10247-1?
There is 1 known substitute for 520-10247-1: 76215. Substitute compatibility should be verified for your specific system.
What is the NSN for 520-10247-1?
520-10247-1 is cataloged in the U.S. Government catalog under NSN 5330-01-207-9376. 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.