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44108-B — Technical Data Sheet

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— · 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 width: 36.000 INCHES NOMINAL IN, length: 72.000 INCHES NOMINAL IN, material: RUBBER SYNTHETIC LOCATION NOT OTHERWISE SPECIFIED, thickness: 0.031 INCHES NOMINAL IN, surface_condition: SMOOTH LOCATION NOT OTHERWISE SPECIFIED, minimum_tensile_strength: ERR-060. This part is cataloged in the Federal Logistics Information System under NSN 5330-00-162-5670, 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
44108-B
NSN: 5330-00-162-5670
FSC: 5330
CAGE: 95402 — ELECTRIC BOAT CORP DBA ELECTRO DYNAMIC (USA)
SPECIFICATIONS
width36.000 INCHES NOMINAL IN
length72.000 INCHES NOMINAL IN
materialRUBBER SYNTHETIC LOCATION NOT OTHERWISE SPECIFIED
thickness0.031 INCHES NOMINAL IN
surface_conditionSMOOTH LOCATION NOT OTHERWISE SPECIFIED
minimum_tensile_strengthERR-060
nondefinitive_spec/std_data1 TYPE AND 1 CLASS
nonmetallic_hardness_rating60.0 MAXIMUM SHORE DUROMETER A
NSN5330-00-162-5670
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 44108-B 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
•
STYLE DESIGNATOR: NON-CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
HOLE DIAMETER: 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH: 3.376 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH: 3.376 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
APERTURE DIAMETER: 3.250 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORNON-CIRCULAR
OVERALL LENGTH4.625 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
HOLE DIAMETER0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH3.376 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH3.376 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
APERTURE DIAMETER3.250 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH0.625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
44108A AND 3666 8AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A-44108-BInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
JANR1149InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
D78-944-31 PIECE 29InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
3404-9 ITEM 11InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 44108-B?
44108-B is a GASKET.
What parts can replace 44108-B?
There are 5 known substitutes for 44108-B: 44108A AND 3666 8A, A-44108-B, JANR1149 and 2 more. Substitute compatibility should be verified for your specific system.
Is 44108-B still available?
44108-B is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026