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189-389 — BEARING UNIT,PLAIN

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

189-389: BEARING UNIT,PLAIN.

The BEARING UNIT,PLAIN is a the manufacturer industrial component. Key specifications include special_features: BEARING, end_item_identification: AIRPORT SURVEILLANCE DETECTION EQUIPMENT 3. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-372-4546, 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
189-389
NSN: 5310-01-372-4546
NIINs: 013724546, 015046984
FSC: 5310 — Nuts and Washers
CAGE: 0ANK9 — CABLECRAFT MOTION CONTROLS LLC DBA TUTHILL CONTROLS GROUP (USA)
SPECIFICATIONS
special_featuresBEARING
end_item_identificationAIRPORT SURVEILLANCE DETECTION EQUIPMENT 3
NSN5310-01-372-4546
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 189-389 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 189-389?
189-389 is a BEARING UNIT,PLAIN.
What is the NSN for 189-389?
189-389 is cataloged in the U.S. Government catalog under NSN 5310-01-372-4546. 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.