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920AL900-40 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

920AL900-40: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: ASBESTOS AND ALUMINUM ALLOY 1100 OVERALL, outside_diameter: 2.750 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 2.500 INCHES NOMINAL IN, cross-sectional_thickness: 0.094 INCHES NOMINAL IN, cross-sectional_shape_style: METAL WITH SOFT FILLER. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-641-0445, 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
920AL900-40
NSN: 5330-00-641-0445
FSC: 5330 — Packing and Gasket Materials
CAGE: 75165 — JOHNS MANVILLE INTL (USA)
SPECIFICATIONS
materialASBESTOS AND ALUMINUM ALLOY 1100 OVERALL
outside_diameter2.750 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter2.500 INCHES NOMINAL IN
cross-sectional_thickness0.094 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL WITH SOFT FILLER
material_document_and_classificationQQ-A-561 FED SPEC 2ND MATERIAL RESPONSE OVERALL
NSN5330-00-641-0445
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 920AL900-40 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: 0.094 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-561 FED SPEC 2ND MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: METAL WITH SOFT FILLER
•
OUTSIDE DIAMETER: 2.750 INCHES NOMINAL IN
•
APERTURE DIAMETER: 2.500 INCHES NOMINAL IN
•
MATERIAL: ASBESTOS AND ALUMINUM ALLOY 1100 OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.094 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-561 FED SPEC 2ND MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLEMETAL WITH SOFT FILLER
OUTSIDE DIAMETER2.750 INCHES NOMINAL IN
APERTURE DIAMETER2.500 INCHES NOMINAL IN
MATERIALASBESTOS AND ALUMINUM ALLOY 1100 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 920AL900-40?
920AL900-40 is a GASKET.
What is the NSN for 920AL900-40?
920AL900-40 is cataloged in the U.S. Government catalog under NSN 5330-00-641-0445. 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.