PartsTable
Technical Data Sheet
Download PDF

397-7255 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

397-7255: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include hole_diameter: 4.57 INCHES NOMINAL SINGLE HOLE IN, outside_diameter: 4.77 INCHES NOMINAL IN, end_item_identification: GENERATOR, cross-sectional_thickness: 0.826 MILLIMETERS NOMINAL MM, part_name_assigned_by_controlling_agency: AIRKLINE GASKET. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-727-3228, 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
397-7255
NSN: 5330-01-727-3228
FSC: 5330 — Packing and Gasket Materials
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
hole_diameter4.57 INCHES NOMINAL SINGLE HOLE IN
outside_diameter4.77 INCHES NOMINAL IN
end_item_identificationGENERATOR
cross-sectional_thickness0.826 MILLIMETERS NOMINAL MM
part_name_assigned_by_controlling_agencyAIRKLINE GASKET
NSN5330-01-727-3228
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 397-7255 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
•
CROSS-SECTIONAL THICKNESS: 0.826 MILLIMETERS NOMINAL MM
•
OUTSIDE DIAMETER: 4.77 INCHES NOMINAL IN
•
HOLE DIAMETER: 4.57 INCHES NOMINAL SINGLE HOLE IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.826 MILLIMETERS NOMINAL MM
OUTSIDE DIAMETER4.77 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYAIRKLINE GASKET
END ITEM IDENTIFICATIONGENERATOR
HOLE DIAMETER4.57 INCHES NOMINAL SINGLE HOLE IN
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 397-7255?
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 397-7255?
397-7255 is a GASKET.
What is the NSN for 397-7255?
397-7255 is cataloged in the U.S. Government catalog under NSN 5330-01-727-3228. 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 — 397-7255