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109A ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: ALUMINUM, unit_type: SHIELDED, body_style: STRAIGHT SHAPE, bore_shape: STRAIGHT, shell_type: SOLID, bore_diameter: 45.00 MILLIMETERS NOMINAL MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-034-3868, 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
109A
NSN: 5330-00-034-3868
FSC: 5330
CAGE: 76122 — INDUSTRIAL TECHNOLOGIES AND SERVICES LLC (USA)
SPECIFICATIONS
materialALUMINUM
unit_typeSHIELDED
body_styleSTRAIGHT SHAPE
bore_shapeSTRAIGHT
shell_typeSOLID
bore_diameter45.00 MILLIMETERS NOMINAL MM
hole_diameter0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width1.219 INCHES NOMINAL IN
terminal_typeTHREADED STUD SINGLE MATING END FIRST CONTACT GROUPING
load_directionRADIAL
overall_height1.500 INCHES NOMINAL IN
overall_length1.875 INCHES NOMINAL IN
NSN5330-00-034-3868
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 109A 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
•
CROSS-SECTIONAL THICKNESS: 0.010 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL: CELLULOSE OVERALL
•
BOLT HOLE QUANTITY: 6
•
APERTURE DIAMETER: 4.016 INCHES NOMINAL IN
•
OUTSIDE CORNER RADIUS: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH5.188 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.010 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
MATERIALCELLULOSE OVERALL
BOLT HOLE QUANTITY6
APERTURE DIAMETER4.016 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.500 INCHES NOMINAL IN
HOLE DIAMETER0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SIDE RADIUS FROM GASKET CENTER4.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
109AInterchangeable
interchangeable cross-reference
interchangeable
SC-C-28052Interchangeable
interchangeable cross-reference
interchangeable
SC-D-28052Interchangeable
interchangeable cross-reference
interchangeable
HP132Interchangeable
interchangeable cross-reference
interchangeable
19343-0,6AInterchangeable
interchangeable cross-reference
interchangeable
211-49Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 109A?
109A is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 109A?
There are 15 known substitutes for 109A: 109A, SC-C-28052, SC-D-28052 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 109A?
109A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-034-3868. 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