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170681 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

170681: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 3.8550 INCHES MINIMUM AND 3.8600 INCHES MAXIMUM IN, surface_finish: 125.0 MICROINCHES INTERMEDIATE LAYER, hardness_rating: 35.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-492-6273, 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
170681
NSN: 3120-00-492-6273
NIINs: 004926273, 013510751, 016448398
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 45934 — ONTIC ENGINEERING & MANUFACTURING, INC DBA ONTIC US (USA)
SPECIFICATIONS
materialSTEEL COMP 630 OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length3.8550 INCHES MINIMUM AND 3.8600 INCHES MAXIMUM IN
surface_finish125.0 MICROINCHES INTERMEDIATE LAYER
hardness_rating35.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter2.4800 INCHES MINIMUM AND 2.4820 INCHES MAXIMUM IN
body_outside_diameter2.5930 INCHES MINIMUM AND 2.5940 INCHES MAXIMUM IN
material_document_and_classificationAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-492-6273
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 170681 · 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
•
SURFACE FINISH: 125.0 MICROINCHES INTERMEDIATE LAYER
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY OUTSIDE DIAMETER: 2.5930 INCHES MINIMUM AND 2.5940 INCHES MAXIMUM IN
•
HARDNESS RATING: 35.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 2.4800 INCHES MINIMUM AND 2.4820 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES INTERMEDIATE LAYER
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER2.5930 INCHES MINIMUM AND 2.5940 INCHES MAXIMUM IN
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH3.8550 INCHES MINIMUM AND 3.8600 INCHES MAXIMUM IN
BODY INSIDE DIAMETER2.4800 INCHES MINIMUM AND 2.4820 INCHES MAXIMUM IN
MATERIALSTEEL COMP 630 OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 170681?
170681 is a BUSHING,SLEEVE.
What is the NSN for 170681?
170681 is cataloged in the U.S. Government catalog under NSN 3120-00-492-6273. This indicates validated use in U.S. government and defense supply chains.
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