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Technical Data Sheet
1-1557-1 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

The SEAL,BEARING is a the manufacturer industrial component. Key specifications include width: 20.0 MILLIMETERS NOMINAL MM, length: 45.0 MILLIMETERS NOMINAL MM, material: STEEL COMP 302 OR STEEL COMP 304 OVERALL, hole_diameter: 3.9 MILLIMETERS MINIMUM AND 4.1 MILLIMETERS MAXIMUM MM, overall_height: 62.0 MILLIMETERS NOMINAL MM, mounting_method: UNTHREADED HOLE(S). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2835-00-888-3842, 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
1-1557-1
NSN: 2835-00-888-3842
FSC: 2835
CAGE: 91587 — REXNORD INDUSTRIES, LLC DIV AEROSPACE SOLUTIONS DOWNERS GROVE (USA)
SPECIFICATIONS
width20.0 MILLIMETERS NOMINAL MM
length45.0 MILLIMETERS NOMINAL MM
materialSTEEL COMP 302 OR STEEL COMP 304 OVERALL
hole_diameter3.9 MILLIMETERS MINIMUM AND 4.1 MILLIMETERS MAXIMUM MM
hole_quantity2
overall_height62.0 MILLIMETERS NOMINAL MM
mounting_methodUNTHREADED HOLE(S)
style_designatorSTANDOFF
material_thickness1.2 MILLIMETERS NOMINAL MM
loop/holding_dimension25.4 MILLIMETERS NOMINAL MM
end_item_identificationMRAP - COMMON NSN - USED ON 2 MRAP VARIANTS AND 17 OTHER WEAPON SYSTEMS
material_document_and_classificationASTM A666 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN2835-00-888-3842
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SEAL,BEARING TITLE COMPONENT PN 1-1557-1 MFR SEAL,BEARING
KEY FEATURES
GENERAL CHARACTERISTICS ITEM DESCRIPTION: OVERALL LENGTH 0.625 IN.; BODY 2.030 IN. MIN AND 2.032 IN. MAX OD; SEAT 1.812 IN. DIA TAPERED TO 1.54 IN. DIA; BORE 1.182 IN. MIN AND 1.184 IN. MAX DIA; COUNTERBORE 1.46 IN. DIA BY 0.41 IN. MIN AND 0.45 IN. MAX DEEP IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONOVERALL LENGTH 0.625 IN.; BODY 2.030 IN. MIN AND 2.032 IN. MAX OD; SEAT 1.812 IN. DIA TAPERED TO 1.54 IN. DIA; BORE 1.182 IN. MIN AND 1.184 IN. MAX DIA; COUNTERBORE 1.46 IN. DIA BY 0.41 IN. MIN AND 0.45 IN. MAX DEEP IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
115571Interchangeable
interchangeable cross-reference
interchangeable
1147F53-7Interchangeable
interchangeable cross-reference
interchangeable
11557-2Interchangeable
interchangeable cross-reference
interchangeable
3780 50Interchangeable
interchangeable cross-reference
interchangeable
NAS907 TYDInterchangeable
interchangeable cross-reference
interchangeable
12421410Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1-1557-1?
1-1557-1 is a SEAL,BEARING.
What parts can replace 1-1557-1?
There are 7 known substitutes for 1-1557-1: 115571, 1147F53-7, 11557-2 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1-1557-1?
1-1557-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2835-00-888-3842. This indicates validated use in U.S. government and defense supply chains.
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