The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-00-580-9479, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Sargent Aerospace & Defense, Llc Dba Kahr Bearings. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3120-00-580-9479 |
| Primary Part Number | KSBG4 |
| Item Name | Bearing,plain,self-Aligning |
| FSC / FSG | 3120 / 31 — No Item Name Available |
| Manufacturer | Sargent Aerospace & Defense, Llc Dba Kahr Bearings |
| Status | CANCELLED |
| Lubrication Feature | GROOVE INTERNAL OUTER MEMBER |
| Lubrication Feature | GROOVE EXTERNAL OUTER MEMBER |
| Lubrication Feature | PERFORATION OUTER RACE MEMBER |
| Style Designator | WITHOUT INSERT OR LINER |
| Surface Treatment | CHROMIUM INNER MEMBER |
| Outer Member Width | 0.2450 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN |
| Inner Member Width | 0.3380 INCHES MINIMUM AND 0.3430 INCHES MAXIMUM IN |
| Outer Member Outside Diameter | 0.6557 INCHES MINIMUM AND 0.6562 INCHES MAXIMUM IN |
| Bore Diameter | 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| KSBG4 PRIMARY | Sargent Aerospace & Defense, Llc Dba Kahr Bearings (USA) |
| 3120PL2022075 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| RB-4 | Radial Bearing Corporation Dba Radial Bearing Corp of Connecticu Div Radial Bearing Llc (USA) |
| HSBG4 PRIMARY | U S Bearings (USA) |
| HSBG4 | Sargent Aerospace & Defense, Llc Dba Kahr Bearings (USA) |
| SBG4 | Stephens-Adamson Inc a Sub of Allis-Chalmers Corp (USA) |
| LHCB-4 | Roller Bearing Company of America, Inc. (USA) |
| GB520CC4 | Northrop Grumman Systems Corporation (USA) |
| HE131-0042-0004 | Rockwell International Corp North American Aircraft Opns (USA) |
NSN 3120-00-580-9479 is a Bearing,plain,self-Aligning, manufactured by Sargent Aerospace & Defense, Llc Dba Kahr Bearings, classified under FSC 3120 (No Item Name Available). Status: cancelled.
NSN 3120-00-580-9479 has 9 cross-referenced part numbers: KSBG4 (Sargent Aerospace & Defense, Llc Dba Kahr Bearings), 3120PL2022075 (Jednolity Indeks Materialowy - Uniform Material Index), RB-4 (Radial Bearing Corporation Dba Radial Bearing Corp of Connecticu Div Radial Bearing Llc), HSBG4 (U S Bearings), HSBG4 (Sargent Aerospace & Defense, Llc Dba Kahr Bearings) and 4 more.
There are 7 known substitutes for 3120-00-580-9479: 5999-00-280-3499, 3120-00-661-7138, 5945-00-909-7749 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for KSBG4: Lubrication Feature: GROOVE INTERNAL OUTER MEMBER; Lubrication Feature: GROOVE EXTERNAL OUTER MEMBER; Lubrication Feature: PERFORATION OUTER RACE MEMBER; Style Designator: WITHOUT INSERT OR LINER. 9 total characteristics are documented in the Federal Logistics Information System.
NSN 3120-00-580-9479 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.