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340401 — PINION AND SPUR GEAR

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

340401: PINION AND SPUR GEAR.

The PINION AND SPUR GEAR is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: 4140 CR. MOLY STEEL ROD EMS 631,FINISH BLACK OXIDE PER 57-0-2C,TYPE III,CLASS A,GRADE 1.

This part is cataloged in the U.S. Government catalog under NSN 3120-00-228-9334, 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
340401
NSN: 3120-00-228-9334
NIINs: 002289334, 003045620
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 57712 — TELEMECHANICS INC (USA)
SPECIFICATIONS
general_characteristics_item_description4140 CR. MOLY STEEL ROD EMS 631,FINISH BLACK OXIDE PER 57-0-2C,TYPE III,CLASS A,GRADE 1
NSN3120-00-228-9334
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 340401 · 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
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FSC APPLICATION DATA: TELETYPE AND FACSIMILE EQUIPMENT
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATATELETYPE AND FACSIMILE EQUIPMENT
SUBSTITUTES & CROSS-REFERENCES 1
332011Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 340401?
340401 is a PINION AND SPUR GEAR.
What parts can replace 340401?
There is 1 known substitute for 340401: 332011. Substitute compatibility should be verified for your specific system.
What is the NSN for 340401?
340401 is cataloged in the U.S. Government catalog under NSN 3120-00-228-9334. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.