The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-00-072-1621, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Timken Co Div the Timken Company. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-072-1621 |
| Primary Part Number | 12SF20 |
| Item Name | Bearing,plain,self-Aligning |
| FSC / FSG | 3120 / 31 — No Item Name Available |
| Manufacturer | Timken Co Div the Timken Company |
| Status | ACTIVE |
| Hardness Rating | 57.0 ROCKWELL C NOMINAL OUTER RACE MEMBER |
| Outer Member Width | 0.9320 INCHES MINIMUM AND 0.9370 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Lubrication Feature | PERFORATION INNER MEMBER |
| Static Radial Load Rating | 156000 POUNDS LBS |
| Lubrication Feature | GROOVE INTERNAL INNER MEMBER |
| Bore Diameter | 1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN |
| Style Designator | WITHOUT INSERT OR LINER |
| Outer Member Outside Diameter | 1.9995 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN |
| Lubrication Feature | GROOVE EXTERNAL INNER MEMBER |
| Inner Member Width | 1.0880 INCHES MINIMUM AND 1.0930 INCHES MAXIMUM IN |
| Hardness Rating | 55.0 ROCKWELL C NOMINAL INNER MEMBER |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 65C35448-1 | San Antonio Air Logistics Center (USA) |
| 12SF20 | Timken Aerospace, Inc Dba Torrington Product (USA) |
| 11242002-1 | Ballistic Missile Defense Systems Command (USA) |
| 1011 | Lebus International, Inc. (USA) |
| LTCT10087 | Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA) |
| 12SF20 PRIMARY | Timken Co Div the Timken Company (USA) |
| 12SBB20 | Timken Aerospace, Inc Dba Torrington Product (USA) |
| 12SBB20 PRIMARY | Timken Co Div the Timken Company (USA) |
NSN 3120-00-072-1621 is a Bearing,plain,self-Aligning, manufactured by Timken Co Div the Timken Company, classified under FSC 3120 (No Item Name Available). Status: active.
NSN 3120-00-072-1621 has 8 cross-referenced part numbers: 65C35448-1 (San Antonio Air Logistics Center), 12SF20 (Timken Aerospace, Inc Dba Torrington Product), 11242002-1 (Ballistic Missile Defense Systems Command), 1011 (Lebus International, Inc.), LTCT10087 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix) and 3 more.
There is 1 known substitute for 3120-00-072-1621: 3120-00-587-4781. Verify interchangeability with system specifications before substitution.
Key specifications for 12SF20: Hardness Rating: 57.0 ROCKWELL C NOMINAL OUTER RACE MEMBER; Special Features: TWO HOLES SPACED AT 90.0 DEG TOFRACTURED PLANE OF OUTER RACE MEMBER; Outer Member Width: 0.9320 INCHES MINIMUM AND 0.9370 INCHES MAXIMUM IN; Material: STEEL OVERALL. 13 total characteristics are documented in the Federal Logistics Information System.