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PartsTable / COMPONENT / A109043-101-11, ITEM 12
A109043-101-11, ITEM 12 ✓ 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 A109043-101-11, ITEM 12 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-522-6543, 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
A109043-101-11, ITEM 12
NSN: 5330-01-522-6543
FSC: 5330
CAGE: 3CX85 — GENERAL DYNAMICS MISSION SYSTEMS, INC. (USA)
SPECIFICATIONS
Part NumberA109043-101-11, ITEM 12
NSN5330-01-522-6543
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A109043-101-11, ITEM 12 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1006-1008 ASSN STD SINGLE MATERIAL RESPONSE CASE
•
SEALING ELEMENT STYLE: VERTICAL
•
CASE STYLE: SQUARE
•
SEAL WIDTH: 15.000 MILLIMETERS NOMINAL MM
•
OUTSIDE DIAMETER: 150.4 MILLIMETERS NOMINAL MM
•
HOUSING BORE DIAMETER: 160.000 MILLIMETERS NOMINAL MM
•
ACCOMMODATED SHAFT DIAMETER: 128.000 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1006-1008 ASSN STD SINGLE MATERIAL RESPONSE CASE
SEALING ELEMENT STYLEVERTICAL
CASE STYLESQUARE
SEAL WIDTH15.000 MILLIMETERS NOMINAL MM
OUTSIDE DIAMETER150.4 MILLIMETERS NOMINAL MM
HOUSING BORE DIAMETER160.000 MILLIMETERS NOMINAL MM
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 302 ASSN STD SINGLE MATERIAL RESPONSE SPRING
ACCOMMODATED SHAFT DIAMETER128.000 MILLIMETERS NOMINAL MM
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
MATERIALSTEEL COMP 302 CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
SUM560AInterchangeable
interchangeable cross-reference
interchangeable
57A3053Interchangeable
interchangeable cross-reference
interchangeable
50600Interchangeable
interchangeable cross-reference
interchangeable
A733S-86CFBInterchangeable
interchangeable cross-reference
interchangeable
ASTM-A733Interchangeable
interchangeable cross-reference
interchangeable
339-1/2X6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A109043-101-11, ITEM 12?
A109043-101-11, ITEM 12 is a A109043-101-11, ITEM 12.
What parts can replace A109043-101-11, ITEM 12?
There are 16 known substitutes for A109043-101-11, ITEM 12: SUM560A, 57A3053, 50600 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A109043-101-11, ITEM 12?
A109043-101-11, ITEM 12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-522-6543. 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