PartsTable
Technical Data Sheet
HS90-4 ✓ 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 PANEL,TELEPHONE SWITCHBOARD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, collar_style: STRAIGHT TYPE, corner_shape: SQUARE ALL CORNERS, heat_treatment: AS FABRICATED OVERALL, overall_length: 1.5000 INCHES NOMINAL IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-662-2181, 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
HS90-4
NSN: 3120-00-662-2181
FSC: 3120
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
collar_styleSTRAIGHT TYPE
corner_shapeSQUARE ALL CORNERS
heat_treatmentAS FABRICATED OVERALL
overall_length1.5000 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
surface_treatmentPASSIVATE OVERALL
body_inside_diameter1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
body_outside_diameter1.3750 INCHES MINIMUM AND 1.3755 INCHES MAXIMUM IN
collar_overall_height0.157 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN
collar_inside_diameter0.124 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
collar_outside_diameter0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
NSN3120-00-662-2181
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: HS90-4 · 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 INSIDE DIAMETER: 1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
MATERIAL: COPPER ALLOY OVERALL
LUBRICANT ACCOMMODATION STYLE: GROOVED SINGLE LOOP
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
BODY OUTSIDE DIAMETER: 1.3750 INCHES MINIMUM AND 1.3755 INCHES MAXIMUM IN
CORNER SHAPE: SQUARE ALL CORNERS
TECHNICAL CHARACTERISTICS (FLIS)
BODY INSIDE DIAMETER1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY OVERALL
LUBRICANT ACCOMMODATION STYLEGROOVED SINGLE LOOP
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
BODY OUTSIDE DIAMETER1.3750 INCHES MINIMUM AND 1.3755 INCHES MAXIMUM IN
OVERALL LENGTH1.5000 INCHES NOMINAL IN
CORNER SHAPESQUARE ALL CORNERS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
SW-1054-1Interchangeable
interchangeable cross-reference
interchangeable
6614Interchangeable
interchangeable cross-reference
interchangeable
GGG-C-406Interchangeable
interchangeable cross-reference
interchangeable
GGG-C-406 TY4Interchangeable
interchangeable cross-reference
interchangeable
A-A-547Interchangeable
interchangeable cross-reference
interchangeable
791-527-9003Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HS90-4?
HS90-4 is a PANEL,TELEPHONE SWITCHBOARD.
What parts can replace HS90-4?
There are 25 known substitutes for HS90-4: SW-1054-1, 6614, GGG-C-406 and 22 more. Substitute compatibility should be verified for your specific system.
Is HS90-4 still available?
HS90-4 is currently cancelled.
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