Center Hole Width Across Flats: 0.2260 INCHES MINIMUM AND 0.2290 INCHES MAXIMUM IN
Cross-Sectional Shape Style: SHOULDERED
Outside Diameter: 0.8900 INCHES NOMINAL IN
Shank Outside Diameter: 0.7250 INCHES NOMINAL IN
Identification
NSN: 3120-01-348-0890
NIIN: 013480890
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
General Description
The Bearing,washer,thrust, cataloged under National Stock Number 3120-01-348-0890, 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9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3120-01-348-0890
Item Name
Bearing,washer,thrust
FSC / FSG
3120 / 31 — Bearings, Plain, Unmounted
Status
ACTIVE
Flange Thickness
0.0460 INCHES NOMINAL IN
Overall Thickness
0.0600 INCHES NOMINAL IN
Style Designator
ROUND
Center Hole Width Across Flats
0.2260 INCHES MINIMUM AND 0.2290 INCHES MAXIMUM IN
Cross-Sectional Shape Style
SHOULDERED
Outside Diameter
0.8900 INCHES NOMINAL IN
Shank Outside Diameter
0.7250 INCHES NOMINAL IN
Material
STEEL COMP 302 OVERALL
Center Hole Shape Style
ROUND W/TWO FLATS
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
SMB436159
3/2Design control — primary reference
U.S. Government activity
SM436159
5/2Secondary reference
U.S. Government activity
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 3120-01-348-0890?
NSN 3120-01-348-0890 is a Bearing,washer,thrust, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What are the specifications of 3120-01-348-0890?
Key specifications for 3120-01-348-0890: Flange Thickness: 0.0460 INCHES NOMINAL IN; Overall Thickness: 0.0600 INCHES NOMINAL IN; Style Designator: ROUND; Center Hole Width Across Flats: 0.2260 INCHES MINIMUM AND 0.2290 INCHES MAXIMUM IN. 9 specifications are documented in the U.S. Government catalog.
Is NSN 3120-01-348-0890 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.