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 1100 OVERALL, outside_diameter: 2.120 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 0.880 INCHES NOMINAL IN, surface_treatment: CADMIUM AND CHROMATE OVERALL, cross-sectional_thickness: 0.0478 INCHES MINIMUM AND 0.0538 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-171-6990, 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
AN901
NSN:5330-00-171-6990 FSC:5330 CAGE:88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
material
ALUMINUM ALLOY 1100 OVERALL
outside_diameter
2.120 INCHES NOMINAL IN
style_designator
CIRCULAR
aperture_diameter
0.880 INCHES NOMINAL IN
surface_treatment
CADMIUM AND CHROMATE OVERALL
cross-sectional_thickness
0.0478 INCHES MINIMUM AND 0.0538 INCHES MAXIMUM IN
cross-sectional_shape_style
RECTANGULAR METAL
material_document_and_classification
QQ-A-561,TY 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classification
QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN
5330-00-171-6990
COMPONENT DIAGRAM
KEY FEATURES
•
CROSS-SECTIONAL THICKNESS: 0.050 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.995 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.755 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY 1100 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-561,TYPE 1,CLASS 1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCY
SPACER,RING
CROSS-SECTIONAL THICKNESS
0.050 INCHES NOMINAL IN
OUTSIDE DIAMETER
0.995 INCHES NOMINAL IN
CENTER HOLE DIAMETER
0.755 INCHES NOMINAL IN
MATERIAL
ALUMINUM ALLOY 1100 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION
QQ-A-561,TYPE 1,CLASS 1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
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FREQUENTLY ASKED QUESTIONS
What is AN901?
AN901 is a GASKET.
What parts can replace AN901?
There are 4 known substitutes for AN901: AN901-8, 287-1176P4, AN901-8A and 1 more. Substitute compatibility should be verified for your specific system.
Is AN901 still available?
AN901 is currently cancelled.
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