Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL CASE, case_style: RECESSED, seal_width: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN, surface_treatment: CADMIUM AND CHROMATE OR ZINC AND CHROMATE CASE, housing_bore_diameter: 2.875 INCHES NOMINAL IN, sealing_element_style: ANGULAR. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-067-9691, 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
MS51920-21-2
NSN:5330-01-067-9691 FSC:5330 CAGE:96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
material
STEEL CASE
case_style
RECESSED
seal_width
0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
surface_treatment
CADMIUM AND CHROMATE OR ZINC AND CHROMATE CASE
housing_bore_diameter
2.875 INCHES NOMINAL IN
sealing_element_style
ANGULAR
accommodated_shaft_diameter
2.125 INCHES NOMINAL IN
NSN
5330-01-067-9691
COMPONENT DIAGRAM
KEY FEATURES
•
SEAL WIDTH: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
•
MATERIAL: STEEL CASE
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 2.875 INCHES NOMINAL IN
•
CASE STYLE: RECESSED
•
ACCOMMODATED SHAFT DIAMETER: 2.125 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OR ZINC AND CHROMATE CASE
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FREQUENTLY ASKED QUESTIONS
What is MS51920-21-2?
MS51920-21-2 is a SEAL,PLAIN ENCASED.
What parts can replace MS51920-21-2?
There are 17 known substitutes for MS51920-21-2: 19, 21101, 400S3 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS51920-21-2?
MS51920-21-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-067-9691. This indicates validated use in U.S. government and defense supply chains.
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