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251167R1 NON-ASBESTOS — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

251167R1 NON-ASBESTOS: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include hole_diameter: 0.531 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 4.875 INCHES NOMINAL IN, special_features: CONTAINS NO ASBESTOS, aperture_diameter: 2.000 INCHES NOMINAL IN, bolt_circle_diameter: 3.750 INCHES NOMINAL IN, outside_corner_radius: 0.562 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-388-2851, 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
251167R1 NON-ASBESTOS
NSN: 5330-01-388-2851
FSC: 5330 — Packing and Gasket Materials
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
hole_diameter0.531 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width4.875 INCHES NOMINAL IN
special_featuresCONTAINS NO ASBESTOS
aperture_diameter2.000 INCHES NOMINAL IN
bolt_circle_diameter3.750 INCHES NOMINAL IN
outside_corner_radius0.562 INCHES NOMINAL IN
cross-sectional_thickness0.125 INCHES NOMINAL IN
environmental_attribute_codeASBESTOS ALTERNATIVE PRODUCTS
NSN5330-01-388-2851
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 251167R1 NON-ASBESTOS 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 THICKNESS: 0.125 INCHES NOMINAL IN
•
APERTURE DIAMETER: 2.000 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 3.750 INCHES NOMINAL IN
•
ENVIRONMENTAL ATTRIBUTE CODE: ASBESTOS ALTERNATIVE PRODUCTS
•
OUTSIDE CORNER RADIUS: 0.562 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.531 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
OVERALL WIDTH4.875 INCHES NOMINAL IN
APERTURE DIAMETER2.000 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER3.750 INCHES NOMINAL IN
SPECIAL FEATURESCONTAINS NO ASBESTOS
ENVIRONMENTAL ATTRIBUTE CODEASBESTOS ALTERNATIVE PRODUCTS
OUTSIDE CORNER RADIUS0.562 INCHES NOMINAL IN
HOLE DIAMETER0.531 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 251167R1 NON-ASBESTOS?
251167R1 NON-ASBESTOS is a GASKET.
What is the NSN for 251167R1 NON-ASBESTOS?
251167R1 NON-ASBESTOS is cataloged in the U.S. Government catalog under NSN 5330-01-388-2851. This indicates validated use in U.S. government and defense supply chains.
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