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PartsTable / COMPONENT / 3687 ITEM 48
3687 ITEM 48 ✓ 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 OVERALL, nut_style: SLOTTED, HEXAGON, body_width: 2.000 INCHES MAXIMUM IN, nut_height: 1.219 INCHES NOMINAL IN, body_height: 1.875 INCHES MAXIMUM IN, body_length: 2.750 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-216-5624, 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
3687 ITEM 48
NSN: 3120-01-216-5624
FSC: 3120
CAGE: 34712 — LAKE SHORE SYSTEMS, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleSLOTTED, HEXAGON
body_width2.000 INCHES MAXIMUM IN
nut_height1.219 INCHES NOMINAL IN
body_height1.875 INCHES MAXIMUM IN
body_length2.750 INCHES MAXIMUM IN
thread_class2B
overall_width2.375 INCHES NOMINAL IN
thread_seriesUNF
inclosure_typeFULLY INCLOSED
overall_height2.078 INCHES NOMINAL IN
overall_length2.515 INCHES NOMINAL IN
NSN3120-01-216-5624
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 3687 ITEM 48 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
36873Interchangeable
interchangeable cross-reference
interchangeable
70C167Interchangeable
interchangeable cross-reference
interchangeable
S600Interchangeable
interchangeable cross-reference
interchangeable
951C1655-04-020Interchangeable
interchangeable cross-reference
interchangeable
12759-01287Interchangeable
interchangeable cross-reference
interchangeable
BE/36873Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3687 ITEM 48?
3687 ITEM 48 is a BUSHING,SLEEVE.
What parts can replace 3687 ITEM 48?
There are 7 known substitutes for 3687 ITEM 48: 36873, 70C167, S600 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3687 ITEM 48?
3687 ITEM 48 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-216-5624. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026