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Technical Data Sheet
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255988-1 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

255988-1: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: FLAT CHAMFER, head_height: 0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.218 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN, thread_length: 0.120 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-927-4152, 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
255988-1
NSN: 3120-00-927-4152
NIINs: 009274152, 014132297, 014613295
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 0ZLV2 — GSE PRODUCTION AND SUPPORT LLC DBA GSE SPARES (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleFLAT CHAMFER
head_height0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.218 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN
thread_length0.120 INCHES MAXIMUM IN
fastener_length0.120 INCHES NOMINAL IN
special_featuresALTER ITEM, MS16995-16
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_across_flats0.109 INCHES MINIMUM AND 0.111 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
NSN3120-00-927-4152
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 255988-1 · 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
•
SURFACE FINISH: 63.0 MICROINCHES RIGHT END SURFACE OF BODY
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY OUTSIDE DIAMETER: 1.1880 INCHES MINIMUM AND 1.1890 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B505 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE FINISH125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH63.0 MICROINCHES LEFT END SURFACE OF BODY
SURFACE FINISH63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER1.1880 INCHES MINIMUM AND 1.1890 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B505 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH1.1150 INCHES MINIMUM AND 1.1350 INCHES MAXIMUM IN
BODY INSIDE DIAMETER1.0030 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 255988-1?
255988-1 is a BUSHING,SLEEVE.
What is the NSN for 255988-1?
255988-1 is cataloged in the U.S. Government catalog under NSN 3120-00-927-4152. This indicates validated use in U.S. government and defense supply chains.
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