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1897-5 PIECE 6 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

1897-5 PIECE 6: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, overall_length: 2.7500 INCHES NOMINAL IN, body_inside_diameter: 1.7500 INCHES NOMINAL IN, flange_outside_diameter: 2.3750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-251-1999, 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
1897-5 PIECE 6
NSN: 3120-01-251-1999
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 85130 — FLOWSERVE CORPORATION DIV FLOWSERVE US INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
overall_length2.7500 INCHES NOMINAL IN
body_inside_diameter1.7500 INCHES NOMINAL IN
flange_outside_diameter2.3750 INCHES NOMINAL IN
NSN3120-01-251-1999
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 1897-5 PIECE 6 · 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
•
FLANGE OUTSIDE DIAMETER: 2.3750 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 1.7500 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
FLANGE OUTSIDE DIAMETER2.3750 INCHES NOMINAL IN
OVERALL LENGTH2.7500 INCHES NOMINAL IN
BODY INSIDE DIAMETER1.7500 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1897-5 PIECE 6?
1897-5 PIECE 6 is a BUSHING,SLEEVE.
What is the NSN for 1897-5 PIECE 6?
1897-5 PIECE 6 is cataloged in the U.S. Government catalog under NSN 3120-01-251-1999. 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.