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Technical Data Sheet
DWG NO. R-743 REV.4 ITEM NO.14 ✓ 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 DWG NO. R-743 REV.4 ITEM NO.14 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 5330-01-732-1390, 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
DWG NO. R-743 REV.4 ITEM NO.14
NSN: 5330-01-732-1390
FSC: 5330
CAGE: 5M429 — ALASKAN COPPER COMPANIES, INC. DBA ALASKAN COPPER WORKS (USA)
SPECIFICATIONS
Part NumberDWG NO. R-743 REV.4 ITEM NO.14
NSN5330-01-732-1390
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: DWG NO. R-743 REV.4 ITEM NO.14 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 5
R-743/REV 4Interchangeable
interchangeable cross-reference
interchangeable
750891Interchangeable
interchangeable cross-reference
interchangeable
DWG NO. R-743 REV.4 ITEM NO.12Interchangeable
interchangeable cross-reference
interchangeable
DWG NO. R-743 REV.4 ITEM NO.8Interchangeable
interchangeable cross-reference
interchangeable
DWG NO. R-743 REV.4 ITEM NO.11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DWG NO. R-743 REV.4 ITEM NO.14?
DWG NO. R-743 REV.4 ITEM NO.14 is a DWG NO. R-743 REV.4 ITEM NO.14.
What parts can replace DWG NO. R-743 REV.4 ITEM NO.14?
There are 5 known substitutes for DWG NO. R-743 REV.4 ITEM NO.14: R-743/REV 4, 750891, DWG NO. R-743 REV.4 ITEM NO.12 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DWG NO. R-743 REV.4 ITEM NO.14?
DWG NO. R-743 REV.4 ITEM NO.14 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-732-1390. This indicates validated use in U.S. government and defense supply chains.
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