Flange Outside Diameter: 1.8530 INCHES MINIMUM AND 1.8630 INCHES MAXIMUM IN
Body Outside Diameter: 1.4600 INCHES MINIMUM AND 1.4700 INCHES MAXIMUM IN
Style Designator: SOLID, EXTERNAL FLANGE ONE END
Material Document and Classification: QQ-C-465 FED SPEC ALL MATERIAL RESPONSES OVERALL
Body Inside Diameter: 0.8600 INCHES MINIMUM AND 0.8700 INCHES MAXIMUM IN
Identification
NSN: 3120-01-080-3831
NIIN: 010803831
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
General Description
The Bushing,sleeve, cataloged under National Stock Number 3120-01-080-3831, 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9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
3120-01-080-3831
Item Name
Bushing,sleeve
FSC / FSG
3120 / 31 — Bearings, Plain, Unmounted
Status
ACTIVE
Surface Finish
125.0 MICROINCHES INTERMEDIATE LAYER
Corner Shape
SQUARE ALL CORNERS
Flange Outside Diameter
1.8530 INCHES MINIMUM AND 1.8630 INCHES MAXIMUM IN
Body Outside Diameter
1.4600 INCHES MINIMUM AND 1.4700 INCHES MAXIMUM IN
Style Designator
SOLID, EXTERNAL FLANGE ONE END
Material Document and Classification
QQ-C-465 FED SPEC ALL MATERIAL RESPONSES OVERALL
Body Inside Diameter
0.8600 INCHES MINIMUM AND 0.8700 INCHES MAXIMUM IN
Flange Width
0.0930 INCHES MINIMUM AND 0.0950 INCHES MAXIMUM IN
Material
COPPER ALLOY 606 OR COPPER ALLOY 614 OR COPPER ALLOY 630 OR COPPER ALLOY 642 OVERALL
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
66C33000-59B
3/2Design control — primary 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 3120-01-080-3831?
NSN 3120-01-080-3831 is a Bushing,sleeve, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What are the specifications of 3120-01-080-3831?
Key specifications for 3120-01-080-3831: Surface Finish: 125.0 MICROINCHES INTERMEDIATE LAYER; Corner Shape: SQUARE ALL CORNERS; Flange Outside Diameter: 1.8530 INCHES MINIMUM AND 1.8630 INCHES MAXIMUM IN; Body Outside Diameter: 1.4600 INCHES MINIMUM AND 1.4700 INCHES MAXIMUM IN. 9 specifications are documented in the U.S. Government catalog.
Is NSN 3120-01-080-3831 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.