Flange Outside Diameter: 1.4900 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN
Body Outside Diameter: 1.8830 INCHES MINIMUM AND 1.8870 INCHES MAXIMUM IN
Body Inside Diameter: 0.9995 INCHES MINIMUM AND 1.0005 INCHES MAXIMUM IN
Flange Width: 0.1250 INCHES NOMINAL IN
Material: COPPER ALLOY 642 OVERALL
Identification
NSN: 3120-01-253-1306
NIIN: 012531306
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
General Description
The Bushing,sleeve, cataloged under National Stock Number 3120-01-253-1306, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
3120-01-253-1306
Item Name
Bushing,sleeve
FSC / FSG
3120 / 31 — Bearings, Plain, Unmounted
Status
ACTIVE
Flange Outside Diameter
1.4900 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN
Body Outside Diameter
1.8830 INCHES MINIMUM AND 1.8870 INCHES MAXIMUM IN
Body Inside Diameter
0.9995 INCHES MINIMUM AND 1.0005 INCHES MAXIMUM IN
Flange Width
0.1250 INCHES NOMINAL IN
Material
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
863C1010142-024
3/9Design control — primary reference
Lockheed Martin Corp
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 3120-01-253-1306?
NSN 3120-01-253-1306 is a Bushing,sleeve, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What are the specifications of 3120-01-253-1306?
Key specifications for 3120-01-253-1306: Flange Outside Diameter: 1.4900 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN; Body Outside Diameter: 1.8830 INCHES MINIMUM AND 1.8870 INCHES MAXIMUM IN; Overall Length: 0.5000 INCHES NOMINAL IN; Body Inside Diameter: 0.9995 INCHES MINIMUM AND 1.0005 INCHES MAXIMUM IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 3120-01-253-1306 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.