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DH38257 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

DH38257: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, outside_diameter: 0.314 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN, style_designator: CIRCULAR, aperture_diameter: 0.277 INCHES MINIMUM AND 0.278 INCHES MAXIMUM IN, cross-sectional_thickness: 0.070 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-005-4045, 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
DH38257
NSN: 5330-00-005-4045
FSC: 5330 — Packing and Gasket Materials
CAGE: K0377 — GOODRICH ACTUATION SYSTEMS LTD (GBR)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
outside_diameter0.314 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
style_designatorCIRCULAR
aperture_diameter0.277 INCHES MINIMUM AND 0.278 INCHES MAXIMUM IN
cross-sectional_thickness0.070 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-005-4045
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: DH38257 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: 0.070 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 0.314 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
•
APERTURE DIAMETER: 0.277 INCHES MINIMUM AND 0.278 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.070 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER0.314 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
APERTURE DIAMETER0.277 INCHES MINIMUM AND 0.278 INCHES MAXIMUM IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
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 DH38257?
DH38257 is a GASKET.
What is the NSN for DH38257?
DH38257 is cataloged in the U.S. Government catalog under NSN 5330-00-005-4045. This indicates validated use in U.S. government and defense supply chains.
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