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44955K311 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

44955K311: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: STEEL AND CARBON GRAPHITE OUTER RING, outside_diameter: 1.875 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 0.750 INCHES NOMINAL IN, bearing_surface_width: 0.625 INCHES NOMINAL IN, cross-sectional_thickness: 0.094 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-541-4329, 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
44955K311
NSN: 5330-01-541-4329
FSC: 5330 — Packing and Gasket Materials
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL AND CARBON GRAPHITE OUTER RING
outside_diameter1.875 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter0.750 INCHES NOMINAL IN
bearing_surface_width0.625 INCHES NOMINAL IN
cross-sectional_thickness0.094 INCHES NOMINAL IN
gage_ring_outside_diameter1.250 INCHES NOMINAL IN
part_name_assigned_by_controlling_agency1/2 INCH 150LB PIPE FLANGE GASKET LBS
NSN5330-01-541-4329
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 44955K311 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: 0.094 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
BEARING SURFACE WIDTH: 0.625 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.875 INCHES NOMINAL IN
•
GAGE RING OUTSIDE DIAMETER: 1.250 INCHES NOMINAL IN
•
APERTURE DIAMETER: 0.750 INCHES NOMINAL IN
•
MATERIAL: GRAPHITE INNER RING
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.094 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
BEARING SURFACE WIDTH0.625 INCHES NOMINAL IN
OUTSIDE DIAMETER1.875 INCHES NOMINAL IN
GAGE RING OUTSIDE DIAMETER1.250 INCHES NOMINAL IN
APERTURE DIAMETER0.750 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCY1/2 INCH 150LB PIPE FLANGE GASKET LBS
MATERIALGRAPHITE INNER RING
MATERIALSTEEL AND CARBON GRAPHITE OUTER RING
SUBSTITUTES & CROSS-REFERENCES 2
44955K111Reference document
Same NSN cross-reference
Reference document — Secondary reference
245748Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 44955K311?
44955K311 is a GASKET.
What parts can replace 44955K311?
There are 2 known substitutes for 44955K311: 44955K111, 245748. Substitute compatibility should be verified for your specific system.
What is the NSN for 44955K311?
44955K311 is cataloged in the U.S. Government catalog under NSN 5330-01-541-4329. This indicates validated use in U.S. government and defense supply chains.
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