Body Outside Diameter: 0.7525 INCHES MINIMUM AND 0.7530 INCHES MAXIMUM IN
Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter: 0.6255 INCHES MINIMUM AND 0.6260 INCHES MAXIMUM IN
Antirotation/lubrication Type and Quantity: 1 HOLE AND 1 SLOT
Material: COPPER ALLOY 674 OVERALL
Hole Diameter: 0.0610 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM FIRST IN
Identification
NSN: 3120-00-421-2437
NIIN: 004212437
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
General Description
The Bearing,sleeve, cataloged under National Stock Number 3120-00-421-2437, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
3120-00-421-2437
Item Name
Bearing,sleeve
FSC / FSG
3120 / 31 — Bearings, Plain, Unmounted
Status
ACTIVE
Corner Shape
SQUARE ALL CORNERS
Body Outside Diameter
0.7525 INCHES MINIMUM AND 0.7530 INCHES MAXIMUM IN
Style Designator
SOLID, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter
0.6255 INCHES MINIMUM AND 0.6260 INCHES MAXIMUM IN
Antirotation/lubrication Type and Quantity
1 HOLE AND 1 SLOT
Material
COPPER ALLOY 674 OVERALL
Hole Diameter
0.0610 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM FIRST IN
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
GA7357
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 3120-00-421-2437?
NSN 3120-00-421-2437 is a Bearing,sleeve, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What are the specifications of 3120-00-421-2437?
Key specifications for 3120-00-421-2437: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 0.7525 INCHES MINIMUM AND 0.7530 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Overall Length: 0.6150 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 3120-00-421-2437 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.