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Technical Data Sheet
PartsTable / COMPONENT / AP4019-0704
AP4019-0704 ✓ 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 BRACKET,MOUNTING 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 5340-01-723-5316, 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
AP4019-0704
NSN: 5340-01-723-5316
FSC: 5340
CAGE: 0TJ49 — AMERIPACK INC. (USA)
SPECIFICATIONS
Part NumberAP4019-0704
NSN5340-01-723-5316
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AP4019-0704 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
91157Upgraded Successor
successor cross-reference
successor
91156Interchangeable
interchangeable cross-reference
interchangeable
AP2321-0804Interchangeable
interchangeable cross-reference
interchangeable
91154Interchangeable
interchangeable cross-reference
interchangeable
AP2013-0705Interchangeable
interchangeable cross-reference
interchangeable
4112AS0803-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AP4019-0704?
AP4019-0704 is a BRACKET,MOUNTING.
What parts can replace AP4019-0704?
There are 8 known substitutes for AP4019-0704: 91157, 91156, AP2321-0804 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AP4019-0704?
AP4019-0704 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-723-5316. 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