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2B1-148 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2B1-148: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR OVERALL, hole_diameter: 0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 5.375 INCHES NOMINAL IN, aperture_width: 4.438 INCHES NOMINAL IN, overall_length: 5.875 INCHES NOMINAL IN, aperture_length: 4.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-576-5458, 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
2B1-148
NSN: 5330-00-576-5458
NIINs: 005765458, 011831297
FSC: 5330 — Packing and Gasket Materials
CAGE: 11976 — CHICAGO PNEUMATIC TOOL CO (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR OVERALL
hole_diameter0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width5.375 INCHES NOMINAL IN
aperture_width4.438 INCHES NOMINAL IN
overall_length5.875 INCHES NOMINAL IN
aperture_length4.500 INCHES NOMINAL IN
cross-sectional_thickness0.016 INCHES NOMINAL IN
center_to_center_distance_between_bolt_holes_along_width4.938 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
center_to_center_distance_between_bolt_holes_along_length4.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
NSN5330-00-576-5458
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2B1-148 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: 0.016 INCHES NOMINAL IN
•
APERTURE WIDTH: 4.438 INCHES NOMINAL IN
•
APERTURE LENGTH: 4.500 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH: 4.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH: 4.938 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.016 INCHES NOMINAL IN
OVERALL LENGTH5.875 INCHES NOMINAL IN
OVERALL WIDTH5.375 INCHES NOMINAL IN
APERTURE WIDTH4.438 INCHES NOMINAL IN
APERTURE LENGTH4.500 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH4.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH4.938 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MATERIALRUBBER CHLOROPRENE CLASS CR OVERALL
HOLE DIAMETER0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
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 2B1-148?
2B1-148 is a GASKET.
What is the NSN for 2B1-148?
2B1-148 is cataloged in the U.S. Government catalog under NSN 5330-00-576-5458. This indicates validated use in U.S. government and defense supply chains.
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