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Technical Data Sheet
12479787 ✓ 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 COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL, special_features: MATT HOT-ROLLED CARBON STEEL SHEET ASTM A569 0.50 INCH THICKNESS IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-412-1284, 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
12479787
NSN: 5340-01-412-1284
FSC: 5340
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL
special_featuresMATT HOT-ROLLED CARBON STEEL SHEET ASTM A569 0.50 INCH THICKNESS IN
NSN5340-01-412-1284
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12479787 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: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESMATT HOT-ROLLED CARBON STEEL SHEET ASTM A569 0.50 INCH THICKNESS IN
MATERIALSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
18066Upgraded Successor
successor cross-reference
successor
918 66Interchangeable
interchangeable cross-reference
interchangeable
1340Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-751 TYCInterchangeable
interchangeable cross-reference
interchangeable
504-0014-00Interchangeable
interchangeable cross-reference
interchangeable
RE10F479F-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12479787?
12479787 is a COVER,ACCESS.
What parts can replace 12479787?
There are 9 known substitutes for 12479787: 18066, 918 66, 1340 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12479787?
12479787 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-412-1284. This indicates validated use in U.S. government and defense supply chains.
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