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Technical Data Sheet
PartsTable / COMPONENT / NAS77-8-058
NAS77-8-058 ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8630 OR STEEL COMP 4130 OVERALL, corner_shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER, flange_width: 0.0570 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN, overall_length: 0.6420 INCHES NOMINAL IN, surface_finish: 100.0 MICROINCHES INTERMEDIATE LAYER, style_designator: SOLID, EXTERNAL FLANGE ONE END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-287-9711, 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
NAS77-8-058
NSN: 3120-00-287-9711
FSC: 3120
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialSTEEL COMP 8630 OR STEEL COMP 4130 OVERALL
corner_shapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
flange_width0.0570 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN
overall_length0.6420 INCHES NOMINAL IN
surface_finish100.0 MICROINCHES INTERMEDIATE LAYER
style_designatorSOLID, EXTERNAL FLANGE ONE END
surface_treatmentCADMIUM OVERALL
body_inside_diameter0.5000 INCHES MINIMUM AND 0.5015 INCHES MAXIMUM IN
body_outside_diameter0.6257 INCHES MINIMUM AND 0.6265 INCHES MAXIMUM IN
flange_outside_diameter0.7400 INCHES MINIMUM AND 0.7600 INCHES MAXIMUM IN
specification/standard_data80205-NAS77 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
material_document_and_classificationMIL-S-6050 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
NSN3120-00-287-9711
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: NAS77-8-058 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
BODY OUTSIDE DIAMETER: 0.6257 INCHES MINIMUM AND 0.6265 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 0.5000 INCHES MINIMUM AND 0.5015 INCHES MAXIMUM IN
•
FLANGE WIDTH: 0.0570 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN
•
FLANGE OUTSIDE DIAMETER: 0.7400 INCHES MINIMUM AND 0.7600 INCHES MAXIMUM IN
•
CORNER SHAPE: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
•
MATERIAL: STEEL COMP 8630 OR STEEL COMP 4130 OVERALL
•
SPECIFICATION/STANDARD DATA: 80205-NAS77 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
BODY OUTSIDE DIAMETER0.6257 INCHES MINIMUM AND 0.6265 INCHES MAXIMUM IN
OVERALL LENGTH0.6420 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.5000 INCHES MINIMUM AND 0.5015 INCHES MAXIMUM IN
FLANGE WIDTH0.0570 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN
FLANGE OUTSIDE DIAMETER0.7400 INCHES MINIMUM AND 0.7600 INCHES MAXIMUM IN
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
MATERIALSTEEL COMP 8630 OR STEEL COMP 4130 OVERALL
SPECIFICATION/STANDARD DATA80205-NAS77 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6050 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
DMS 80034BInterchangeable
interchangeable cross-reference
interchangeable
124-1174-000Interchangeable
interchangeable cross-reference
interchangeable
8058Interchangeable
interchangeable cross-reference
interchangeable
505-169Interchangeable
interchangeable cross-reference
interchangeable
990205-3Interchangeable
interchangeable cross-reference
interchangeable
14055-015Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS77-8-058?
NAS77-8-058 is a BUSHING,SLEEVE.
What parts can replace NAS77-8-058?
There are 14 known substitutes for NAS77-8-058: DMS 80034B, 124-1174-000, 8058 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS77-8-058?
NAS77-8-058 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-287-9711. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026