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Technical Data Sheet
7979349 ✓ 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 SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT, case_style: SHOULDERED, seal_width: 1.125 INCHES MINIMUM AND 1.157 INCHES MAXIMUM IN, temp_rating: -65.0 FAHRENHEIT DEGF, housing_bore_diameter: 6.616 INCHES MINIMUM AND 6.618 INCHES MAXIMUM IN, sealing_element_style: ANGULAR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-740-9550, 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
7979349
NSN: 5330-00-740-9550
FSC: 5330
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
case_styleSHOULDERED
seal_width1.125 INCHES MINIMUM AND 1.157 INCHES MAXIMUM IN
temp_rating-65.0 FAHRENHEIT DEGF
housing_bore_diameter6.616 INCHES MINIMUM AND 6.618 INCHES MAXIMUM IN
sealing_element_styleANGULAR
accommodated_shaft_diameter4.745 INCHES MINIMUM AND 4.755 INCHES MAXIMUM IN
NSN5330-00-740-9550
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7979349 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
CASE STYLE: SHOULDERED
ACCOMMODATED SHAFT DIAMETER: 4.745 INCHES MINIMUM AND 4.755 INCHES MAXIMUM IN
SEAL WIDTH: 1.125 INCHES MINIMUM AND 1.157 INCHES MAXIMUM IN
TEMP RATING: -65.0 FAHRENHEIT DEGF
HOUSING BORE DIAMETER: 6.616 INCHES MINIMUM AND 6.618 INCHES MAXIMUM IN
SEALING ELEMENT STYLE: ANGULAR
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
TECHNICAL CHARACTERISTICS (FLIS)
CASE STYLESHOULDERED
ACCOMMODATED SHAFT DIAMETER4.745 INCHES MINIMUM AND 4.755 INCHES MAXIMUM IN
SEAL WIDTH1.125 INCHES MINIMUM AND 1.157 INCHES MAXIMUM IN
TEMP RATING-65.0 FAHRENHEIT DEGF
HOUSING BORE DIAMETER6.616 INCHES MINIMUM AND 6.618 INCHES MAXIMUM IN
SEALING ELEMENT STYLEANGULAR
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
END ITEM IDENTIFICATIONW/S: AIRCRAFT, T-39; AIRBORNE MOBILE DIR AIR SPT CTL (2ID), (02M JUL83) (AN/UYQ-3A); RADAR SET, FIREFINDER (AN/TPQ-36); SHOP EQUIPMENT, GENERAL PURPOSE REPAIR, TRLR, SEMI-MOUNTED; JOINT STARS TARGET RADAR SYSTEM; TRAILER, SEMI, TANK; 5000 GAL, BULK; TRAILER, SEMI, TANK; FUEL 5000 GAL, 12-TON 4-WHEEL W/E; TRUCK, CARGO, 5-TON, 6X6, XLWB W/E; TRAILER, SEMI (M860A1); TRAILER, SEMI (M986) & CHASSIS, TRAILER, SEMI (M999) A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
453XInterchangeable
interchangeable cross-reference
interchangeable
550426Interchangeable
interchangeable cross-reference
interchangeable
7030034-1Interchangeable
interchangeable cross-reference
interchangeable
683-2Interchangeable
interchangeable cross-reference
interchangeable
58Interchangeable
interchangeable cross-reference
interchangeable
S21015-002Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7979349?
7979349 is a SEAL,PLAIN ENCASED.
What parts can replace 7979349?
There are 24 known substitutes for 7979349: 453X, 550426, 7030034-1 and 21 more. Substitute compatibility should be verified for your specific system.
Is 7979349 still available?
7979349 is currently cancelled.
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