PartsTable
Technical Data Sheet
Download PDF

1683138 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

1683138: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 OVERALL, slot_width: 0.1250 INCHES NOMINAL FIRST IN, slot_length: 0.0620 INCHES NOMINAL FIRST IN, corner_shape: SQUARE ALL CORNERS, overall_length: 2.1230 INCHES MINIMUM AND 2.1250 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES RIGHT END SURFACE OF BODY. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-281-3448, 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
1683138
NSN: 3120-01-281-3448
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400 OVERALL
slot_width0.1250 INCHES NOMINAL FIRST IN
slot_length0.0620 INCHES NOMINAL FIRST IN
corner_shapeSQUARE ALL CORNERS
overall_length2.1230 INCHES MINIMUM AND 2.1250 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES RIGHT END SURFACE OF BODY
special_featuresCOUNTERBORE 1.9060 IN. MIN,AND 1.9110 IN. MAX RIGHT END OF ID IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter1.4940 INCHES MINIMUM AND 1.4950 INCHES MAXIMUM IN
body_outside_diameter2.3720 INCHES MINIMUM AND 2.3730 INCHES MAXIMUM IN
lubricant_accommodation_styleGROOVED CIRCULAR
material_document_and_classificationQQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-01-281-3448
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 1683138 · 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: 2.3720 INCHES MINIMUM AND 2.3730 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE FINISH63.0 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 DIAMETER2.3720 INCHES MINIMUM AND 2.3730 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH2.1230 INCHES MINIMUM AND 2.1250 INCHES MAXIMUM IN
BODY INSIDE DIAMETER1.4940 INCHES MINIMUM AND 1.4950 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938
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
Ready to buy 1683138?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 1683138?
1683138 is a BUSHING,SLEEVE.
What is the NSN for 1683138?
1683138 is cataloged in the U.S. Government catalog under NSN 3120-01-281-3448. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 1683138

✓ 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.