The Bearing,plain,rod End, cataloged under National Stock Number 3120-01-348-5811, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Raytheon Company. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-348-5811 |
| Primary Part Number | 6619841 |
| Item Name | Bearing,plain,rod End |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Shank Thread Length | 1.4680 INCHES NOMINAL IN |
| Bore Center to Shank End Distance | 2.4370 INCHES NOMINAL IN |
| Inner Member Width | 0.6250 INCHES NOMINAL IN |
| Outer Member Width | 0.5150 INCHES NOMINAL IN |
| Style Designator | BALL TYPE |
| Thread Diameter | 0.5000 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM A582 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5613 ASSN STD 2ND MATERIAL RESPONSE RACE INSERT |
| Thread Direction | RIGHT-HAND |
| Shank Style | EXTERNALLY THREADED |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Static Radial Load Rating | 6660 POUNDS LBS |
| Bore Diameter | 0.5000 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE RACE LINER |
| Material | STEEL COMP 440C INNER MEMBER |
| Material | STEEL COMP 303 BODY |
| Material | STEEL COMP 303 OR STEEL COMP 410 RACE INSERT |
| Thread Series Designator | UNF |
| Outer Member Outside Diameter | 1.3370 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6619841 PRIMARY | Raytheon Company (USA) |
| 6619841 PRIMARY | F-K Bearings, Inc. Dba Fk Bearing Co-5 (USA) |
| 6619841 PRIMARY | Timken Aurora Bearing Company (USA) |
| Reference | Meaning |
|---|---|
| SM-8ET-2 | 5/1 Secondary reference Timken Aurora Bearing Company |
| CRM8T-1K | 5/1 Secondary reference F-K Bearings, Inc. Dba Fk Bearing Co-5 |
| 6619841 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
NSN 3120-01-348-5811 is a Bearing,plain,rod End, manufactured by Raytheon Company, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-348-5811 has 3 manufacturer part numbers on file: 6619841 (Raytheon Company), 6619841 (F-K Bearings, Inc. Dba Fk Bearing Co-5), 6619841 (Timken Aurora Bearing Company).
Key specifications for 6619841: Shank Thread Length: 1.4680 INCHES NOMINAL IN; Bore Center to Shank End Distance: 2.4370 INCHES NOMINAL IN; Inner Member Width: 0.6250 INCHES NOMINAL IN; Outer Member Width: 0.5150 INCHES NOMINAL IN. 21 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.