NSN 3120-00-331-7122 · NIIN 003317122 · Part number 131B344
General Electric Company · FSC 3120 — Bearings, Plain, Unmounted · FSG 31 — Bearings · CAGE 07482
Government record, cited
NSN 3120-00-331-7122 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-331-7122. Manufacturer of record part number: 131B344.
Inner Member Width: 0.6820 INCHES MINIMUM AND 0.6870 INCHES MAXIMUM IN
Outer Member Width: 0.5260 INCHES MINIMUM AND 0.5310 INCHES MAXIMUM IN
Bore Diameter: 0.4995 INCHES MINIMUM AND 0.5005 INCHES MAXIMUM IN
Outer Member Outside Diameter: 2.1600 INCHES MINIMUM AND 2.2200 INCHES MAXIMUM IN
2 manufacturer part numbers on file
Manufacturer of record: General Electric Company
Identification
NSN: 3120-00-331-7122
NIIN: 003317122
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
Primary part number: 131B344
Manufacturer: General Electric Company
General Description
The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-00-331-7122, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is General Electric Company. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3120-00-331-7122
Primary Part Number
131B344
Item Name
Bearing,plain,self-Aligning
FSC / FSG
3120 / 31 — Bearings, Plain, Unmounted
Manufacturer
General Electric Company
Status
ACTIVE
Inner Member Width
0.6820 INCHES MINIMUM AND 0.6870 INCHES MAXIMUM IN
Outer Member Width
0.5260 INCHES MINIMUM AND 0.5310 INCHES MAXIMUM IN
Bore Diameter
0.4995 INCHES MINIMUM AND 0.5005 INCHES MAXIMUM IN
Outer Member Outside Diameter
2.1600 INCHES MINIMUM AND 2.2200 INCHES MAXIMUM IN
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 3120-00-331-7122?
NSN 3120-00-331-7122 is a Bearing,plain,self-Aligning, manufactured by General Electric Company, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What part numbers are listed for NSN 3120-00-331-7122?
NSN 3120-00-331-7122 has 2 manufacturer part numbers on file: 131B344 (General Electric Company), FAC8 (Roller Bearing Company of America, Inc.).
What are the specifications of 131B344?
Key specifications for 131B344: Inner Member Width: 0.6820 INCHES MINIMUM AND 0.6870 INCHES MAXIMUM IN; Outer Member Width: 0.5260 INCHES MINIMUM AND 0.5310 INCHES MAXIMUM IN; Bore Diameter: 0.4995 INCHES MINIMUM AND 0.5005 INCHES MAXIMUM IN; Outer Member Outside Diameter: 2.1600 INCHES MINIMUM AND 2.2200 INCHES MAXIMUM IN. 4 specifications are documented in the U.S. Government catalog.
Is NSN 3120-00-331-7122 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.