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CA9955 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

CA9955: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM AND ALUMINUM ALLOY 6061 OVERALL, end_radius: 0.450 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN, hole_diameter: 0.278 INCHES MINIMUM AND 0.287 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, overall_length: 2.620 INCHES NOMINAL IN, special_features: ALUMINUM ALLOY ANODIZED; ADDITIONAL SEALING APERTURE ID 0.230 IN MIN,0.240 IN. MAX IN, aperture_diameter: 0.330 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 5330-01-215-3822, 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
CA9955
NSN: 5330-01-215-3822
FSC: 5330 — Packing and Gasket Materials
CAGE: 95272 — STILLMAN SEAL CORPORATION DIV STILLMAN SEAL CORPERATION (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM AND ALUMINUM ALLOY 6061 OVERALL
end_radius0.450 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN
hole_diameter0.278 INCHES MINIMUM AND 0.287 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
overall_length2.620 INCHES NOMINAL IN
special_featuresALUMINUM ALLOY ANODIZED; ADDITIONAL SEALING APERTURE ID 0.230 IN MIN,0.240 IN. MAX IN
aperture_diameter0.330 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
surface_treatmentANODIZE OVERALL
gage_ring_thickness0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
outside_corner_radius0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
cross-sectional_thickness0.106 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
cross-sectional_shape_styleMETAL AND SYNTHETIC RUBBER
material_document_and_classificationA50TF193 CL-A MFR REF 1ST MATERIAL RESPONSE AND AMS4027 ASSN STD 2ND MATERIAL RESPONSE OVERALL
NSN5330-01-215-3822
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: CA9955 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TY 1,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CROSS-SECTIONAL THICKNESS: 0.106 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
•
END RADIUS: 0.450 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN
•
GAGE RING THICKNESS: 0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: A50TF193 CL-A MFR REF 1ST MATERIAL RESPONSE AND AMS4027 ASSN STD 2ND MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: METAL AND SYNTHETIC RUBBER
•
APERTURE DIAMETER: 0.330 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 1,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CROSS-SECTIONAL THICKNESS0.106 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
END RADIUS0.450 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN
GAGE RING THICKNESS0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONA50TF193 CL-A MFR REF 1ST MATERIAL RESPONSE AND AMS4027 ASSN STD 2ND MATERIAL RESPONSE OVERALL
OVERALL LENGTH2.620 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEMETAL AND SYNTHETIC RUBBER
APERTURE DIAMETER0.330 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH2.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SPECIAL FEATURESALUMINUM ALLOY ANODIZED; ADDITIONAL SEALING APERTURE ID 0.230 IN MIN,0.240 IN. MAX 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 1
1264M75P03Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CA9955?
CA9955 is a GASKET.
What parts can replace CA9955?
There is 1 known substitute for CA9955: 1264M75P03. Substitute compatibility should be verified for your specific system.
What is the NSN for CA9955?
CA9955 is cataloged in the U.S. Government catalog under NSN 5330-01-215-3822. 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.