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H454838 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

H454838: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM OVERALL, hole_diameter: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM ALL HOLES IN, hardness_rating: 60.0 SHORE DUROMETER D NOMINAL OVERALL, style_designator: RECTANGULAR, bolt_hole_quantity: 10, cross-sectional_height: 0.09 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-686-5988, 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
H454838
NSN: 5330-01-686-5988
FSC: 5330 — Packing and Gasket Materials
CAGE: 49956 — RAYTHEON COMPANY DIV CORP (USA)
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM OVERALL
hole_diameter0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM ALL HOLES IN
hardness_rating60.0 SHORE DUROMETER D NOMINAL OVERALL
style_designatorRECTANGULAR
bolt_hole_quantity10
cross-sectional_height0.09 INCHES NOMINAL IN
end_item_identification5895-01-530-6459
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationASTM D2000, TYP BA OR CA ASSN STD SINGLE MATERIAL RESPONSE OVERALL
outside_edge_to_bolt_hole_center_distance_along_width0.38 INCHES NOMINAL IN
outside_edge_to_bolt_hole_center_distance_along_length0.38 INCHES NOMINAL IN
center_to_center_distance_between_bolt_holes_along_width2.583 INCHES NOMINAL ALL HOLES IN
NSN5330-01-686-5988
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H454838 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 HEIGHT: 0.09 INCHES NOMINAL IN
•
HARDNESS RATING: 60.0 SHORE DUROMETER D NOMINAL OVERALL
•
STYLE DESIGNATOR: RECTANGULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D2000, TYP BA OR CA ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
BOLT HOLE QUANTITY: 10
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH: 2.583 INCHES NOMINAL ALL HOLES IN
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH: 2.583 INCHES NOMINAL ALL HOLES IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.09 INCHES NOMINAL IN
HARDNESS RATING60.0 SHORE DUROMETER D NOMINAL OVERALL
STYLE DESIGNATORRECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D2000, TYP BA OR CA ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
BOLT HOLE QUANTITY10
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH2.583 INCHES NOMINAL ALL HOLES IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH2.583 INCHES NOMINAL ALL HOLES IN
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH0.38 INCHES NOMINAL IN
END ITEM IDENTIFICATION5895-01-530-6459
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is H454838?
H454838 is a GASKET.
What is the NSN for H454838?
H454838 is cataloged in the U.S. Government catalog under NSN 5330-01-686-5988. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.