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683398C1 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

683398C1: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: CONSISTS OF 1 SEAL AND 1 SLEEVE. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-947-4184, 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
683398C1
NSN: 5330-00-947-4184
NIINs: 009474184, 010374380
FSC: 5330 — Packing and Gasket Materials
CAGE: 0SAT8 — KOMATSU AMERICA CORP. (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCONSISTS OF 1 SEAL AND 1 SLEEVE
NSN5330-00-947-4184
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 683398C1 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
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TEMP RATING: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
•
SEAL WIDTH: 0.453 INCHES MINIMUM AND 0.481 INCHES MAXIMUM IN
•
SEALING ELEMENT STYLE: ANGULAR-OPPOSED
•
HOUSING BORE DIAMETER: 4.252 INCHES MINIMUM AND 4.256 INCHES MAXIMUM IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2400 FEET PER MINUTE FT
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CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 3.250 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
TECHNICAL CHARACTERISTICS
TEMP RATING-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
SEAL WIDTH0.453 INCHES MINIMUM AND 0.481 INCHES MAXIMUM IN
SEALING ELEMENT STYLEANGULAR-OPPOSED
HOUSING BORE DIAMETER4.252 INCHES MINIMUM AND 4.256 INCHES MAXIMUM IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2400 FEET PER MINUTE FT
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER3.250 INCHES NOMINAL IN
MATERIALSTEEL CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT A
MATERIALRUBBER SYNTHETIC SEALING ELEMENT B
SUBSTITUTES & CROSS-REFERENCES 2
346738R91Reference document
Same NSN cross-reference
Reference document — Secondary reference
125-3039Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 683398C1?
683398C1 is a SEAL,PLAIN ENCASED.
What parts can replace 683398C1?
There are 2 known substitutes for 683398C1: 346738R91, 125-3039. Substitute compatibility should be verified for your specific system.
What is the NSN for 683398C1?
683398C1 is cataloged in the U.S. Government catalog under NSN 5330-00-947-4184. This indicates validated use in U.S. government and defense supply chains.
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