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180999 — LOCK,TURBINE SHAFT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

180999: LOCK,TURBINE SHAFT.

The LOCK,TURBINE SHAFT is a the manufacturer industrial component. Key specifications include end_item_identification: J-57 AIRCRAFT ENGINE, criticality_code_justification: AGAV. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-057-9691, 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
180999
NSN: 3120-00-057-9691
NIINs: 000579691, 003266987
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 57712 — TELEMECHANICS INC (USA)
SPECIFICATIONS
end_item_identificationJ-57 AIRCRAFT ENGINE
criticality_code_justificationAGAV
NSN3120-00-057-9691
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 180999 · 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

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 180999?
180999 is a LOCK,TURBINE SHAFT.
What is the NSN for 180999?
180999 is cataloged in the U.S. Government catalog under NSN 3120-00-057-9691. 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.