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98-743 — ASSEMBLY TOOL,TUBE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

98-743: ASSEMBLY TOOL,TUBE.

The ASSEMBLY TOOL,TUBE is a the manufacturer industrial component. Key specifications include end_item_identification: DIESEL ENGINE. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-397-6557, 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
98-743
NSN: 5340-00-397-6557
NIINs: 003976557, 016172777
FSC: 5340 — Hardware, Commercial
CAGE: 72447 — DANA COMMERCIAL VEHICLE MANUFACTURING, LLC DBA DANA COMMERCIAL VEHICLE PRODUCTS (USA)
SPECIFICATIONS
end_item_identificationDIESEL ENGINE
NSN5340-00-397-6557
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 98-743 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
•
MOUNTING HOLE QUANTITY: 2
•
PLATE THICKNESS: 0.047 INCHES NOMINAL IN
•
DISTANCE BETWEEN MOUNTING HOLE CENTERS: 2.813 INCHES NOMINAL IN
•
END RADIUS: 0.312 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLOATING
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1010 ASSN STD SINGLE MATERIAL RESPONSE
•
MOUNTING HOLE DIAMETER: 0.388 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY2
PLATE THICKNESS0.047 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING HOLE CENTERS2.813 INCHES NOMINAL IN
END RADIUS0.312 INCHES NOMINAL IN
STYLE DESIGNATORFLOATING
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1010 ASSN STD SINGLE MATERIAL RESPONSE
MOUNTING HOLE DIAMETER0.388 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEFLAT
MATERIALSTEEL COMP 1010
EAR WIDTH0.312 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 3
151295Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
7348441Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
9AKS51Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 98-743?
98-743 is a ASSEMBLY TOOL,TUBE.
What parts can replace 98-743?
There are 3 known substitutes for 98-743: 151295, 7348441, 9AKS51. Substitute compatibility should be verified for your specific system.
What is the NSN for 98-743?
98-743 is cataloged in the U.S. Government catalog under NSN 5340-00-397-6557. This indicates validated use in U.S. government and defense supply chains.
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