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020957-2 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

020957-2: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, overall_width: 1.120 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, aperture_diameter: 0.875 INCHES NOMINAL IN, fabrication_method: SOLID, cross-sectional_thickness: 0.030 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-498-0432, 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
020957-2
NSN: 5330-01-498-0432
FSC: 5330 — Packing and Gasket Materials
CAGE: 15901 — SPECTROLAB, INC. (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
overall_width1.120 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
aperture_diameter0.875 INCHES NOMINAL IN
fabrication_methodSOLID
cross-sectional_thickness0.030 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL AND METALLIC MATERIALS
center_to_center_distance_between_bolt_holes_along_length1.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
NSN5330-01-498-0432
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 020957-2 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: 0.030 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: METAL AND METALLIC MATERIALS
•
APERTURE DIAMETER: 0.875 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH: 1.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
MATERIAL: ALUMINUM ALLOY OVERALL
•
FABRICATION METHOD: SOLID
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.030 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
CROSS-SECTIONAL SHAPE STYLEMETAL AND METALLIC MATERIALS
OVERALL WIDTH1.120 INCHES NOMINAL IN
APERTURE DIAMETER0.875 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH1.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MATERIALALUMINUM ALLOY OVERALL
FABRICATION METHODSOLID
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
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FREQUENTLY ASKED QUESTIONS
What is 020957-2?
020957-2 is a GASKET.
What is the NSN for 020957-2?
020957-2 is cataloged in the U.S. Government catalog under NSN 5330-01-498-0432. 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.