The Bearing Unit,plain, cataloged under National Stock Number 3130-01-661-4375, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3130-01-661-4375
Item Name
Bearing Unit,plain
FSC / FSG
3130 / 31 — Bearings, Mounted
Status
ACTIVE
Assembly Overall Length
2.1900 INCHES NOMINAL IN
Flange Thickness
0.1500 INCHES NOMINAL IN
Style Designator
FLANGE BLOCK
Bolt Circle Diameter
3.0000 INCHES NOMINAL IN
Bore Diameter
1.0000 INCHES NOMINAL IN
Housing Length
1.5000 INCHES NOMINAL IN
Load Capability Type
RADIAL
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
EEE16J
3/2Design control — primary reference
U.S. Government activity
4183490
7/2Vendor item drawing reference
Oshkosh Defense Llc
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 3130-01-661-4375?
NSN 3130-01-661-4375 is a Bearing Unit,plain, classified under FSC 3130, Bearings, Mounted. Status: active.
What are the specifications of 3130-01-661-4375?
Key specifications for 3130-01-661-4375: Assembly Overall Length: 2.1900 INCHES NOMINAL IN; Flange Thickness: 0.1500 INCHES NOMINAL IN; Style Designator: FLANGE BLOCK; Bolt Circle Diameter: 3.0000 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 3130-01-661-4375 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.