PartsTable / COMPONENT / MT143
MT143
✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: FIBER OVERALL, hole_diameter: 0.469 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 4.688 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 3.250 INCHES NOMINAL IN, bolt_circle_diameter: 4.000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-629-4961, 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
MT143
NSN: 5330-00-629-4961 FSC: 5330 CAGE: 23705 — FRUEHAUF CORP (USA)
SPECIFICATIONS
material FIBER OVERALL hole_diameter 0.469 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN outside_diameter 4.688 INCHES NOMINAL IN style_designator CIRCULAR aperture_diameter 3.250 INCHES NOMINAL IN bolt_hole_quantity 6 bolt_circle_diameter 4.000 INCHES NOMINAL IN cross-sectional_thickness 0.063 INCHES NOMINAL IN cross-sectional_shape_style SOLID SINGLE OR COMPOSITION material_document_and_classification ASTM F104 PLANT FIBER ASSN STD SINGLE MATERIAL RESPONSE OVERALL NSN 5330-00-629-4961
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION
ID: —
CROSS-SECTION
CS: —
SPECIFICATION
Material: —
Durometer: —
Temp: —
PN: MT143
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
• STYLE DESIGNATOR: CIRCULAR
• CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
• MATERIAL DOCUMENT AND CLASSIFICATION: ASTM F104 PLANT FIBER ASSN STD SINGLE MATERIAL RESPONSE OVERALL
• CROSS-SECTIONAL THICKNESS: 0.063 INCHES NOMINAL IN
• BOLT CIRCLE DIAMETER: 4.000 INCHES NOMINAL IN
• HOLE DIAMETER: 0.469 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
• APERTURE DIAMETER: 3.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATOR CIRCULAR CROSS-SECTIONAL SHAPE STYLE SOLID SINGLE OR COMPOSITION MATERIAL DOCUMENT AND CLASSIFICATION ASTM F104 PLANT FIBER ASSN STD SINGLE MATERIAL RESPONSE OVERALL CROSS-SECTIONAL THICKNESS 0.063 INCHES NOMINAL IN BOLT CIRCLE DIAMETER 4.000 INCHES NOMINAL IN HOLE DIAMETER 0.469 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN MATERIAL FIBER OVERALL APERTURE DIAMETER 3.250 INCHES NOMINAL IN BOLT HOLE QUANTITY 6 OUTSIDE DIAMETER 4.688 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
313454 Interchangeable interchangeable cross-reference
interchangeable
27620 Interchangeable interchangeable cross-reference
interchangeable
22020X Interchangeable interchangeable cross-reference
interchangeable
B-5764-1 Interchangeable interchangeable cross-reference
interchangeable
1208906 Interchangeable interchangeable cross-reference
interchangeable
30-2150 Interchangeable interchangeable cross-reference
interchangeable
LIFECYCLE
Status CANCELLED
Availability —
RoHS Compliant EAR99 Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MT143?
MT143 is a GASKET.
What parts can replace MT143?
There are 9 known substitutes for MT143: 313454, 27620, 22020X and 6 more. Substitute compatibility should be verified for your specific system.
Is MT143 still available?
MT143 is currently cancelled.