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2B9210 — RETAINER,SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2B9210: RETAINER,SEAL.

The RETAINER,SEAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, flange_thickness: 0.062 INCHES NOMINAL IN, aperture_diameter: 1.156 INCHES NOMINAL IN, bolt_hole_diameter: 0.406 INCHES NOMINAL IN, mounting_flange_diameter: 3.593 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-423-8937, 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
2B9210
NSN: 5330-00-423-8937
FSC: 5330 — Packing and Gasket Materials
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flange_thickness0.062 INCHES NOMINAL IN
aperture_diameter1.156 INCHES NOMINAL IN
bolt_hole_diameter0.406 INCHES NOMINAL IN
bolt_hole_quantity3
mounting_flange_diameter3.593 INCHES NOMINAL IN
NSN5330-00-423-8937
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2B9210 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
•
FLANGE THICKNESS: 0.062 INCHES NOMINAL IN
•
BOLT HOLE DIAMETER: 0.406 INCHES NOMINAL IN
•
APERTURE DIAMETER: 1.156 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 3
•
MOUNTING FLANGE DIAMETER: 3.593 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.062 INCHES NOMINAL IN
BOLT HOLE DIAMETER0.406 INCHES NOMINAL IN
APERTURE DIAMETER1.156 INCHES NOMINAL IN
BOLT HOLE QUANTITY3
MOUNTING FLANGE DIAMETER3.593 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2B9210?
2B9210 is a RETAINER,SEAL.
What is the NSN for 2B9210?
2B9210 is cataloged in the U.S. Government catalog under NSN 5330-00-423-8937. 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.