PartsTable
Technical Data Sheet
Download PDF

380053A — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

380053A: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: CORK OVERALL, hole_diameter: 0.437 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 4.312 INCHES NOMINAL IN, overall_length: 4.625 INCHES NOMINAL IN, special_features: ONE END HAS 2.750 INCH RADIUS;ONEHOLE 0.562 INCH DIA ON RADIUS END IN, aperture_diameter: 2.562 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-056-5491, 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
380053A
NSN: 5330-01-056-5491
FSC: 5330 — Packing and Gasket Materials
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)
SPECIFICATIONS
materialCORK OVERALL
hole_diameter0.437 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width4.312 INCHES NOMINAL IN
overall_length4.625 INCHES NOMINAL IN
special_featuresONE END HAS 2.750 INCH RADIUS;ONEHOLE 0.562 INCH DIA ON RADIUS END IN
aperture_diameter2.562 INCHES NOMINAL IN
bolt_hole_quantity4
outside_corner_radius0.437 INCHES NOMINAL IN
end_item_identificationENGINE GENERATOR (EG)
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
outside_edge_to_bolt_hole_center_distance_along_width0.437 INCHES NOMINAL IN
NSN5330-01-056-5491
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 380053A 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: 0.031 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 2.562 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 4
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH: 3.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
OVERALL LENGTH4.625 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH4.312 INCHES NOMINAL IN
APERTURE DIAMETER2.562 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH3.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SPECIAL FEATURESONE END HAS 2.750 INCH RADIUS;ONEHOLE 0.562 INCH DIA ON RADIUS END IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH3.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH0.437 INCHES NOMINAL 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 380053A?
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 380053A?
380053A is a GASKET.
What is the NSN for 380053A?
380053A is cataloged in the U.S. Government catalog under NSN 5330-01-056-5491. 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 — 380053A

✓ 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.