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: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT, case_style: SQUARE, seal_width: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN, housing_bore_diameter: 1.873 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN, accommodated_shaft_diameter: 1.250 INCHES NOMINAL IN, material_document_and_classification: 66 FED STD SINGLE MATERIAL RESPONSE CASE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-872-6352, 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
187HD18
NSN:5330-00-872-6352 FSC:5330 CAGE:80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
material
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
case_style
SQUARE
seal_width
0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
housing_bore_diameter
1.873 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
accommodated_shaft_diameter
1.250 INCHES NOMINAL IN
material_document_and_classification
66 FED STD SINGLE MATERIAL RESPONSE CASE
NSN
5330-00-872-6352
COMPONENT DIAGRAM
KEY FEATURES
•
CASE STYLE: SQUARE
•
HOUSING BORE DIAMETER: 1.873 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
•
SEAL WIDTH: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE CASE
•
ACCOMMODATED SHAFT DIAMETER: 1.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CASE STYLE
SQUARE
HOUSING BORE DIAMETER
1.873 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
SEAL WIDTH
0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
MATERIAL
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
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FREQUENTLY ASKED QUESTIONS
What is 187HD18?
187HD18 is a SEAL,PLAIN ENCASED.
What parts can replace 187HD18?
There are 17 known substitutes for 187HD18: 140-0110881, A123-93, 123-89 and 14 more. Substitute compatibility should be verified for your specific system.
Is 187HD18 still available?
187HD18 is currently cancelled.
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