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250A-1 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

250A-1: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include overall_length: 1.8800 INCHES NOMINAL IN, style_designator: BLANK, EXTERNAL FLANGES BOTH ENDS, left_flange_width: 0.6200 INCHES NOMINAL IN, body_inside_diameter: 0.6250 INCHES NOMINAL IN, left_flange_outside_diameter: 2.5000 INCHES NOMINAL IN, right_flange_outside_diameter: 1.8800 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-053-7282, 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
250A-1
NSN: 3120-01-053-7282
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: K4008 — CADET CONTROLS LTD (GBR)
SPECIFICATIONS
overall_length1.8800 INCHES NOMINAL IN
style_designatorBLANK, EXTERNAL FLANGES BOTH ENDS
left_flange_width0.6200 INCHES NOMINAL IN
body_inside_diameter0.6250 INCHES NOMINAL IN
left_flange_outside_diameter2.5000 INCHES NOMINAL IN
right_flange_outside_diameter1.8800 INCHES NOMINAL IN
NSN3120-01-053-7282
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 250A-1 · 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
•
STYLE DESIGNATOR: BLANK, EXTERNAL FLANGES BOTH ENDS
•
BODY INSIDE DIAMETER: 0.6250 INCHES NOMINAL IN
•
RIGHT FLANGE OUTSIDE DIAMETER: 1.8800 INCHES NOMINAL IN
•
LEFT FLANGE OUTSIDE DIAMETER: 2.5000 INCHES NOMINAL IN
•
LEFT FLANGE WIDTH: 0.6200 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORBLANK, EXTERNAL FLANGES BOTH ENDS
OVERALL LENGTH1.8800 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.6250 INCHES NOMINAL IN
RIGHT FLANGE OUTSIDE DIAMETER1.8800 INCHES NOMINAL IN
LEFT FLANGE OUTSIDE DIAMETER2.5000 INCHES NOMINAL IN
LEFT FLANGE WIDTH0.6200 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
900-1Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
12008964Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 250A-1?
250A-1 is a BUSHING,SLEEVE.
What parts can replace 250A-1?
There are 2 known substitutes for 250A-1: 900-1, 12008964. Substitute compatibility should be verified for your specific system.
What is the NSN for 250A-1?
250A-1 is cataloged in the U.S. Government catalog under NSN 3120-01-053-7282. 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.