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7979499 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7979499: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT B, case_style: SQUARE, seal_width: 0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN, surface_treatment: CADMIUM CASE, housing_bore_diameter: 1.000 INCHES NOMINAL IN, sealing_element_style: ANGULAR-OPPOSED. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-678-1349, 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
7979499
NSN: 5330-00-678-1349
FSC: 5330 — Packing and Gasket Materials
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT B
case_styleSQUARE
seal_width0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN
surface_treatmentCADMIUM CASE
housing_bore_diameter1.000 INCHES NOMINAL IN
sealing_element_styleANGULAR-OPPOSED
accommodated_shaft_diameter0.560 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
NSN5330-00-678-1349
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7979499 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
•
SEAL WIDTH: 0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN
•
SEALING ELEMENT STYLE: ANGULAR-OPPOSED
•
HOUSING BORE DIAMETER: 1.000 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 0.560 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM CASE
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT A
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN
SEALING ELEMENT STYLEANGULAR-OPPOSED
HOUSING BORE DIAMETER1.000 INCHES NOMINAL IN
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER0.560 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT A
MATERIALRUBBER SYNTHETIC SEALING ELEMENT B
SUBSTITUTES & CROSS-REFERENCES 3
512557Reference document
Same NSN cross-reference
Reference document — Secondary reference
5330006781349Reference document
Same NSN cross-reference
Reference document — Informative reference only
A18872Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7979499?
7979499 is a SEAL,PLAIN ENCASED.
What parts can replace 7979499?
There are 3 known substitutes for 7979499: 512557, 5330006781349, A18872. Substitute compatibility should be verified for your specific system.
What is the NSN for 7979499?
7979499 is cataloged in the U.S. Government catalog under NSN 5330-00-678-1349. This indicates validated use in U.S. government and defense supply chains.
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