Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
The GASKET is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, temp_rating: -65.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF, hole_diameter: 0.289 INCHES MINIMUM AND 0.296 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 6.680 INCHES NOMINAL IN, surface_treatment: ANODIZE OVERALL, bolt_circle_diameter: 5.750 INCHES NOMINAL IN. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-850-7731, 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
CA3971
NSN:5330-00-850-7731 FSC:5330 CAGE:95272 — STILLMAN SEAL CORPORATION DIV STILLMAN SEAL CORPERATION (USA)
SPECIFICATIONS
material
ALUMINUM ALLOY 6061 OVERALL
temp_rating
-65.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF
hole_diameter
0.289 INCHES MINIMUM AND 0.296 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter
6.680 INCHES NOMINAL IN
surface_treatment
ANODIZE OVERALL
bolt_circle_diameter
5.750 INCHES NOMINAL IN
cross-sectional_thickness
0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
cross-sectional_shape_style
METAL
material_document_and_classification
QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classification
MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN
5330-00-850-7731
COMPONENT DIAGRAM
KEY FEATURES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL: ALUMINUM ALLOY 6061 OVERALL
•
CROSS-SECTIONAL THICKNESS: 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 6.680 INCHES NOMINAL IN
•
SURFACE TREATMENT: ANODIZE OVERALL
•
HOLE DIAMETER: 0.289 INCHES MINIMUM AND 0.296 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
•
BOLT CIRCLE DIAMETER: 5.750 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: METAL
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL
ALUMINUM ALLOY 6061 OVERALL
CROSS-SECTIONAL THICKNESS
0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
OUTSIDE DIAMETER
6.680 INCHES NOMINAL IN
SURFACE TREATMENT
ANODIZE OVERALL
HOLE DIAMETER
0.289 INCHES MINIMUM AND 0.296 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
BOLT CIRCLE DIAMETER
5.750 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE
METAL
MATERIAL DOCUMENT AND CLASSIFICATION
QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
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FREQUENTLY ASKED QUESTIONS
What is CA3971?
CA3971 is a GASKET.
What parts can replace CA3971?
There are 9 known substitutes for CA3971: 4511, 44-1, C4511 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CA3971?
CA3971 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-850-7731. This indicates validated use in U.S. government and defense supply chains.
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