Flange Outside Diameter: 0.5575 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN
Body Outside Diameter: 0.3765 INCHES MINIMUM AND 0.3775 INCHES MAXIMUM IN
Style Designator: SOLID, EXTERNAL FLANGE ONE END
Material Document and Classification: MIL-B-5687 TY1 COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Body Inside Diameter: 0.2510 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN
Flange Width: 0.0575 INCHES MINIMUM AND 0.0675 INCHES MAXIMUM IN
Identification
NSN: 3120-01-446-3350
NIIN: 014463350
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
General Description
The Bearing,sleeve, cataloged under National Stock Number 3120-01-446-3350, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
3120-01-446-3350
Item Name
Bearing,sleeve
FSC / FSG
3120 / 31 — Bearings, Plain, Unmounted
Status
ACTIVE
Corner Shape
SQUARE ALL CORNERS
Flange Outside Diameter
0.5575 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN
Body Outside Diameter
0.3765 INCHES MINIMUM AND 0.3775 INCHES MAXIMUM IN
Style Designator
SOLID, EXTERNAL FLANGE ONE END
Material Document and Classification
MIL-B-5687 TY1 COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Body Inside Diameter
0.2510 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN
Flange Width
0.0575 INCHES MINIMUM AND 0.0675 INCHES MAXIMUM IN
Material
COPPER ALLOY 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
LS4217B4-0406
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 3120-01-446-3350?
NSN 3120-01-446-3350 is a Bearing,sleeve, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What are the specifications of 3120-01-446-3350?
Key specifications for 3120-01-446-3350: Corner Shape: SQUARE ALL CORNERS; Flange Outside Diameter: 0.5575 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN; Body Outside Diameter: 0.3765 INCHES MINIMUM AND 0.3775 INCHES MAXIMUM IN; Style Designator: SOLID, EXTERNAL FLANGE ONE END. 8 specifications are documented in the U.S. Government catalog.
Is NSN 3120-01-446-3350 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.