NSN 3120-00-855-0508 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-855-0508. Manufacturer of record part number: 2L4666.
Body Outside Diameter: 0.6265 INCHES MINIMUM AND 0.6275 INCHES MAXIMUM IN
Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter: 0.4420 INCHES MINIMUM AND 0.4440 INCHES MAXIMUM IN
Material: COPPER ALLOY OVERALL
2 manufacturer part numbers on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
NSN: 3120-00-855-0508
NIIN: 008550508
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
Primary part number: 2L4666
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Bearing,sleeve, cataloged under National Stock Number 3120-00-855-0508, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3120-00-855-0508
Primary Part Number
2L4666
Item Name
Bearing,sleeve
FSC / FSG
3120 / 31 — Bearings, Plain, Unmounted
Manufacturer
Caterpillar Inc Div Caterpillar Defense
Status
ACTIVE
Corner Shape
SQUARE ALL CORNERS
Body Outside Diameter
0.6265 INCHES MINIMUM AND 0.6275 INCHES MAXIMUM IN
Style Designator
SOLID, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter
0.4420 INCHES MINIMUM AND 0.4440 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
3120-00-001-1288 · Item name not on file
3120-00-001-1835
3120-00-001-1835 · Item name not on file
3120-00-001-1838
3120-00-001-1838 · Item name not on file
3120-00-001-1928
3120-00-001-1928 · Item name not on file
3120-00-001-1934
3120-00-001-1934 · Item name not on file
3120-00-001-3933
3120-00-001-3933 · Item name not on file
3120-00-001-3937
3120-00-001-3937 · Item name not on file
3120-00-001-3938
3120-00-001-3938 · Item name not on file
Frequently Asked Questions
What is NSN 3120-00-855-0508?
NSN 3120-00-855-0508 is a Bearing,sleeve, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What part numbers are listed for NSN 3120-00-855-0508?
NSN 3120-00-855-0508 has 2 manufacturer part numbers on file: 2124666 (Striegel Supply, Inc. Dba Striegel Supply Inc), 2L4666 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 2L4666?
Key specifications for 2L4666: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 0.6265 INCHES MINIMUM AND 0.6275 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Overall Length: 0.3120 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 3120-00-855-0508 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.