Surface Finish: 63.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE
Corner Shape: SQUARE ALL CORNERS
Flange Outside Diameter: 1.2100 INCHES MINIMUM AND 1.2300 INCHES MAXIMUM IN
Body Outside Diameter: 1.1320 INCHES MINIMUM AND 1.1520 INCHES MAXIMUM IN
Style Designator: SOLID, EXTERNAL FLANGE ONE END
Material Document and Classification: ASTM B196/B196M ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Body Inside Diameter: 0.9270 INCHES NOMINAL IN
Identification
NSN: 3120-01-321-2950
NIIN: 013212950
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
General Description
The Bushing,sleeve, cataloged under National Stock Number 3120-01-321-2950, 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9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
3120-01-321-2950
Item Name
Bushing,sleeve
FSC / FSG
3120 / 31 — Bearings, Plain, Unmounted
Status
ACTIVE
Surface Finish
63.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE
Corner Shape
SQUARE ALL CORNERS
Flange Outside Diameter
1.2100 INCHES MINIMUM AND 1.2300 INCHES MAXIMUM IN
Body Outside Diameter
1.1320 INCHES MINIMUM AND 1.1520 INCHES MAXIMUM IN
Style Designator
SOLID, EXTERNAL FLANGE ONE END
Material Document and Classification
ASTM B196/B196M ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Body Inside Diameter
0.9270 INCHES NOMINAL IN
Flange Width
0.0615 INCHES MINIMUM AND 0.0635 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
9037273-03
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 3120-01-321-2950?
NSN 3120-01-321-2950 is a Bushing,sleeve, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What are the specifications of 3120-01-321-2950?
Key specifications for 3120-01-321-2950: Surface Finish: 63.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE; Corner Shape: SQUARE ALL CORNERS; Flange Outside Diameter: 1.2100 INCHES MINIMUM AND 1.2300 INCHES MAXIMUM IN; Body Outside Diameter: 1.1320 INCHES MINIMUM AND 1.1520 INCHES MAXIMUM IN. 9 specifications are documented in the U.S. Government catalog.
Is NSN 3120-01-321-2950 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.