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7289F1 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7289F1: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT B, case_style: SQUARE, seal_width: 0.718 INCHES NOMINAL IN, temp_rating: 250.0 FAHRENHEIT DEGF, housing_bore_diameter: 4.504 INCHES MINIMUM AND 4.508 INCHES MAXIMUM IN, sealing_element_style: VERTICAL-ANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-282-5860, 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
7289F1
NSN: 5330-00-282-5860
FSC: 5330 — Packing and Gasket Materials
CAGE: 73680 — GARLOCK SEALING TECHNOLOGIES LLC DBA GARLOCK SEALING TECHNOLOGIES LLC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT B
case_styleSQUARE
seal_width0.718 INCHES NOMINAL IN
temp_rating250.0 FAHRENHEIT DEGF
housing_bore_diameter4.504 INCHES MINIMUM AND 4.508 INCHES MAXIMUM IN
sealing_element_styleVERTICAL-ANGULAR
accommodated_shaft_diameter3.375 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed1000 FEET PER MINUTE FT
NSN5330-00-282-5860
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7289F1 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: 250.0 FAHRENHEIT DEGF
•
SEAL WIDTH: 0.718 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: VERTICAL-ANGULAR
•
HOUSING BORE DIAMETER: 4.504 INCHES MINIMUM AND 4.508 INCHES MAXIMUM IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 1000 FEET PER MINUTE FT
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 3.375 INCHES NOMINAL IN
•
MATERIAL: WOOL SEALING ELEMENT A
TECHNICAL CHARACTERISTICS
TEMP RATING250.0 FAHRENHEIT DEGF
SEAL WIDTH0.718 INCHES NOMINAL IN
SEALING ELEMENT STYLEVERTICAL-ANGULAR
HOUSING BORE DIAMETER4.504 INCHES MINIMUM AND 4.508 INCHES MAXIMUM IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED1000 FEET PER MINUTE FT
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER3.375 INCHES NOMINAL IN
MATERIALWOOL SEALING ELEMENT A
MATERIALRUBBER SYNTHETIC SEALING ELEMENT B
SUBSTITUTES & CROSS-REFERENCES 1
RC446Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7289F1?
7289F1 is a SEAL,PLAIN ENCASED.
What parts can replace 7289F1?
There is 1 known substitute for 7289F1: RC446. Substitute compatibility should be verified for your specific system.
What is the NSN for 7289F1?
7289F1 is cataloged in the U.S. Government catalog under NSN 5330-00-282-5860. 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.