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23689-4887 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

23689-4887: 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: 0.688 INCHES NOMINAL IN, housing_bore_diameter: 1.877 INCHES MINIMUM AND 1.881 INCHES MAXIMUM IN, sealing_element_style: ANGULAR-OPPOSED, accommodated_shaft_diameter: 1.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-285-4002, 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
23689-4887
NSN: 5330-00-285-4002
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_width0.688 INCHES NOMINAL IN
housing_bore_diameter1.877 INCHES MINIMUM AND 1.881 INCHES MAXIMUM IN
sealing_element_styleANGULAR-OPPOSED
accommodated_shaft_diameter1.000 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed1000 FEET PER MINUTE FT
NSN5330-00-285-4002
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 23689-4887 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: 0.688 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR-OPPOSED
•
HOUSING BORE DIAMETER: 1.877 INCHES MINIMUM AND 1.881 INCHES MAXIMUM IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 1000 FEET PER MINUTE FT
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 1.000 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT A
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.688 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR-OPPOSED
HOUSING BORE DIAMETER1.877 INCHES MINIMUM AND 1.881 INCHES MAXIMUM IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED1000 FEET PER MINUTE FT
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER1.000 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT A
MATERIALRUBBER SYNTHETIC SEALING ELEMENT B
SUBSTITUTES & CROSS-REFERENCES 2
610103Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
00044Reference document
Same NSN cross-reference
Reference document — Secondary 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 23689-4887?
23689-4887 is a SEAL,PLAIN ENCASED.
What parts can replace 23689-4887?
There are 2 known substitutes for 23689-4887: 610103, 00044. Substitute compatibility should be verified for your specific system.
What is the NSN for 23689-4887?
23689-4887 is cataloged in the U.S. Government catalog under NSN 5330-00-285-4002. 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.