PartsTable
Technical Data Sheet
Download PDF

CAFB731B — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

CAFB731B: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include hole_diameter: 0.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, special_features: END ITEM FAIRBANKS MORSE DIESEL ENGINE MODEL 38D81/2 ON BOARD 140 FT WTGB COAST GUARD VESSELS FT, style_designator: NON-CIRCULAR, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-208-6562, 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
CAFB731B
NSN: 5330-01-208-6562
FSC: 5330 — Packing and Gasket Materials
CAGE: 7PZX0 — FAIRBANKS MORSE, LLC (USA)
SPECIFICATIONS
hole_diameter0.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
special_featuresEND ITEM FAIRBANKS MORSE DIESEL ENGINE MODEL 38D81/2 ON BOARD 140 FT WTGB COAST GUARD VESSELS FT
style_designatorNON-CIRCULAR
bolt_hole_quantity3
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-01-208-6562
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: CAFB731B 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: NON-CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
BOLT HOLE QUANTITY: 3
•
HOLE DIAMETER: 0.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORNON-CIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
BOLT HOLE QUANTITY3
SPECIAL FEATURESEND ITEM FAIRBANKS MORSE DIESEL ENGINE MODEL 38D81/2 ON BOARD 140 FT WTGB COAST GUARD VESSELS FT
HOLE DIAMETER0.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES 1
731BReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy CAFB731B?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is CAFB731B?
CAFB731B is a GASKET.
What parts can replace CAFB731B?
There is 1 known substitute for CAFB731B: 731B. Substitute compatibility should be verified for your specific system.
What is the NSN for CAFB731B?
CAFB731B is cataloged in the U.S. Government catalog under NSN 5330-01-208-6562. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — CAFB731B

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.