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89368 — RING,RETAINING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

89368: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: PAPER OVERALL, overall_width: 4.000 INCHES NOMINAL IN, overall_length: 4.000 INCHES NOMINAL IN, special_features: 2 0.468 IN. DIA.

HOLES AT OPPOSITE CORNERS ON 4.187 IN. DIA. BC,ONE CORNER BEVELED 0.380 IN.

BY 0.880 IN. IN, aperture_diameter: 2.949 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-042-2831, 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
89368
NSN: 5330-01-042-2831
NIINs: 010422831, 012475690
FSC: 5330 — Packing and Gasket Materials
CAGE: 86768 — TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT (USA)
SPECIFICATIONS
materialPAPER OVERALL
overall_width4.000 INCHES NOMINAL IN
overall_length4.000 INCHES NOMINAL IN
special_features2 0.468 IN. DIA. HOLES AT OPPOSITE CORNERS ON 4.187 IN. DIA. BC,ONE CORNER BEVELED 0.380 IN. BY 0.880 IN. IN
aperture_diameter2.949 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-01-042-2831
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 89368 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 SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 2.949 INCHES NOMINAL IN
•
MATERIAL: PAPER OVERALL
TECHNICAL CHARACTERISTICS
OVERALL LENGTH4.000 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH4.000 INCHES NOMINAL IN
APERTURE DIAMETER2.949 INCHES NOMINAL IN
SPECIAL FEATURES2 0.468 IN. DIA. HOLES AT OPPOSITE CORNERS ON 4.187 IN. DIA. BC,ONE CORNER BEVELED 0.380 IN. BY 0.880 IN. IN
MATERIALPAPER OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 89368?
89368 is a RING,RETAINING.
What is the NSN for 89368?
89368 is cataloged in the U.S. Government catalog under NSN 5330-01-042-2831. 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.