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Technical Data Sheet
PartsTable / COMPONENT / B44377
B44377 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The GASKET is a the manufacturer industrial component. Key specifications include material: PAPER AND GLUE AND GLYCERIN OVERALL, hole_diameter: 0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 1.500 INCHES NOMINAL IN, overall_length: 2.000 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, aperture_diameter: 0.656 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-599-3849, 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
B44377
NSN: 5330-00-599-3849
FSC: 5330
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialPAPER AND GLUE AND GLYCERIN OVERALL
hole_diameter0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width1.500 INCHES NOMINAL IN
overall_length2.000 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
aperture_diameter0.656 INCHES NOMINAL IN
bolt_hole_quantity4
outside_corner_radius0.312 INCHES NOMINAL IN
cross-sectional_thickness0.010 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationHH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL
outside_edge_to_bolt_hole_center_distance_along_width0.312 INCHES NOMINAL IN
NSN5330-00-599-3849
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B44377 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
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH: 0.875 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
OUTSIDE CORNER RADIUS: 0.312 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 4
•
APERTURE DIAMETER: 0.656 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.010 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: HH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH0.875 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OUTSIDE CORNER RADIUS0.312 INCHES NOMINAL IN
OVERALL WIDTH1.500 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
APERTURE DIAMETER0.656 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.010 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONHH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL
STYLE DESIGNATORNON-CIRCULAR
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH1.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
200462Interchangeable
interchangeable cross-reference
interchangeable
6154533Interchangeable
interchangeable cross-reference
interchangeable
44377Interchangeable
interchangeable cross-reference
interchangeable
FS-200M-SBInterchangeable
interchangeable cross-reference
interchangeable
277 ITEM 2Interchangeable
interchangeable cross-reference
interchangeable
271744PC4Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B44377?
B44377 is a GASKET.
What parts can replace B44377?
There are 6 known substitutes for B44377: 200462, 6154533, 44377 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B44377?
B44377 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-599-3849. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026