Bore Length: 0.378 INCHES MINIMUM AND 0.386 INCHES MAXIMUM IN
Style Designator: PLAIN, PROTRUDING HUBS
Outside Diameter: 0.750 INCHES NOMINAL IN
Casehardening Indicator: NOT CASEHARDENED
Material: COPPER ALLOY
Face Width: 0.3040 INCHES NOMINAL IN
Identification
NSN: 3120-01-282-1105
NIIN: 012821105
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
General Description
The Roller,linear-Rotary Motion, cataloged under National Stock Number 3120-01-282-1105, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3120-01-282-1105
Item Name
Roller,linear-Rotary Motion
FSC / FSG
3120 / 31 — Bearings, Plain, Unmounted
Status
ACTIVE
Hub Diameter
0.500 INCHES NOMINAL IN
Bore Length
0.378 INCHES MINIMUM AND 0.386 INCHES MAXIMUM IN
Style Designator
PLAIN, PROTRUDING HUBS
Outside Diameter
0.750 INCHES NOMINAL IN
Casehardening Indicator
NOT CASEHARDENED
Material
COPPER ALLOY
Face Width
0.3040 INCHES NOMINAL IN
Metallic Hardness Rating
70.0 NOMINAL ROCKWELL B
Bore Inside Diameter
0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
3169968
3/9Design control — primary reference
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
No interchangeability data on file.
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 3120-01-282-1105?
NSN 3120-01-282-1105 is a Roller,linear-Rotary Motion, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What are the specifications of 3120-01-282-1105?
Key specifications for 3120-01-282-1105: Hub Diameter: 0.500 INCHES NOMINAL IN; Bore Length: 0.378 INCHES MINIMUM AND 0.386 INCHES MAXIMUM IN; Style Designator: PLAIN, PROTRUDING HUBS; Outside Diameter: 0.750 INCHES NOMINAL IN. 9 specifications are documented in the U.S. Government catalog.
Is NSN 3120-01-282-1105 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.