The Bearing Unit,plain, cataloged under National Stock Number 3130-01-282-8731, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
3130-01-282-8731
Item Name
Bearing Unit,plain
FSC / FSG
3130 / 31 — Bearings, Mounted
Status
ACTIVE
Countersink Diameter
0.218 INCHES NOMINAL IN
Mounting Hole Type
ROUND, UNTHREADED, COUNTERSUNK
Mounting Hole Diameter
0.120 INCHES NOMINAL IN
Countersink Angle
82.0 DEGREES NOMINAL
Bore Diameter
0.9060 INCHES NOMINAL 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
ARE-008
3/9Design control — primary reference
A. R. Machining, Inc Dba a R Machining Inc
No interchangeability data on file.
Other items in FSC 3130 — Bearings, Mounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3130-00-001-5118
3130-00-001-5118 · Item name not on file
3130-00-001-5137
BEARING UNIT,BALL
3130-00-001-6585
3130-00-001-6585 · Item name not on file
3130-00-003-0422
3130-00-003-0422 · Item name not on file
3130-00-003-0455
3130-00-003-0455 · Item name not on file
3130-00-003-0794
BEARING UNIT,BALL
3130-00-003-2802
BEARING UNIT,BALL
3130-00-003-9535
3130-00-003-9535 · Item name not on file
Frequently Asked Questions
What is NSN 3130-01-282-8731?
NSN 3130-01-282-8731 is a Bearing Unit,plain, classified under FSC 3130, Bearings, Mounted. Status: active.
What are the specifications of 3130-01-282-8731?
Key specifications for 3130-01-282-8731: Countersink Diameter: 0.218 INCHES NOMINAL IN; Mounting Hole Type: ROUND, UNTHREADED, COUNTERSUNK; Mounting Hole Diameter: 0.120 INCHES NOMINAL IN; Special Features: HOUSING DIAMETER IS 1.750 IN.; USED ON ACTUATOR ASSY IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 3130-01-282-8731 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.