PartsTable
Technical Data Sheet
Download PDF

3120-99-606 — ADAPTER,TACHOMETER DRIVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

3120-99-606: ADAPTER,TACHOMETER DRIVE.

The ADAPTER,TACHOMETER DRIVE is a the manufacturer industrial component. Key specifications include special_features: WIDE TEMPERATURE MODELS, LED DISPLAYS, MODULES ARE HOT-SWAPPABLE, end_item_identification: 100 BASE-TX ETHERNET MEDIA CONVERTER, part_name_assigned_by_controlling_agency: CONVERTER. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-453-1161, 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
3120-99-606
NSN: 3120-00-453-1161
NIINs: 004531161, 004531162, 004532791
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 99995 — NATO STOCK NUMBER ASSIGNED BY ANOTHER NATION
SPECIFICATIONS
special_featuresWIDE TEMPERATURE MODELS, LED DISPLAYS, MODULES ARE HOT-SWAPPABLE
end_item_identification100 BASE-TX ETHERNET MEDIA CONVERTER
part_name_assigned_by_controlling_agencyCONVERTER
NSN3120-00-453-1161
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 3120-99-606 · 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
SUBSTITUTES & CROSS-REFERENCES 1
838-38Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
Ready to buy 3120-99-606?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 3120-99-606?
3120-99-606 is a ADAPTER,TACHOMETER DRIVE.
What parts can replace 3120-99-606?
There is 1 known substitute for 3120-99-606: 838-38. Substitute compatibility should be verified for your specific system.
What is the NSN for 3120-99-606?
3120-99-606 is cataloged in the U.S. Government catalog under NSN 3120-00-453-1161. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 3120-99-606

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.