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 AND RUBBER SYNTHETIC OVERALL, hole_diameter: 0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 4.500 INCHES NOMINAL IN, overall_length: 5.078 INCHES NOMINAL IN, style_designator: POLYGON, aperture_diameter: 3.125 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 5330-00-559-2889, 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
121156
NSN:5330-00-559-2889 FSC:5330 CAGE:83259 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV COMPOSITE SEALING SYSTEMS DIVISION (USA)
SPECIFICATIONS
material
ALUMINUM ALLOY 6061 AND RUBBER SYNTHETIC OVERALL
hole_diameter
0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width
4.500 INCHES NOMINAL IN
overall_length
5.078 INCHES NOMINAL IN
style_designator
POLYGON
aperture_diameter
3.125 INCHES NOMINAL IN
surface_treatment
ANODIZE OVERALL
bolt_hole_quantity
6
gage_ring_thickness
0.080 INCHES NOMINAL IN
bolt_circle_diameter
4.375 INCHES NOMINAL IN
fsc_application_data
FUEL TANK,AIRCRAFT
outside_corner_radius
0.380 INCHES NOMINAL IN
NSN
5330-00-559-2889
COMPONENT DIAGRAM
KEY FEATURES
•
CROSS-SECTIONAL SHAPE STYLE: METAL AND SYNTHETIC RUBBER
•
BOLT CIRCLE DIAMETER: 4.375 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.120 INCHES NOMINAL IN
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FREQUENTLY ASKED QUESTIONS
What is 121156?
121156 is a GASKET.
What parts can replace 121156?
There are 3 known substitutes for 121156: 121156, 121383, C0121003800. Substitute compatibility should be verified for your specific system.
What is the NSN for 121156?
121156 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-559-2889. This indicates validated use in U.S. government and defense supply chains.
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