The Bearing,plain,rod End, cataloged under National Stock Number 3120-01-077-3203, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Rbc Specline Inc Dba Specline Inc. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-077-3203 |
| Primary Part Number | 51E16-233 |
| Item Name | Bearing,plain,rod End |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Rbc Specline Inc Dba Specline Inc |
| Status | ACTIVE |
| Shank Thread Length | 2.0938 INCHES MINIMUM AND 2.1875 INCHES MAXIMUM IN |
| Bore Center to Shank End Distance | 4.1150 INCHES MINIMUM AND 4.1350 INCHES MAXIMUM IN |
| Inner Member Width | 1.3700 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN |
| Outer Member Width | 1.0100 INCHES MINIMUM AND 1.0200 INCHES MAXIMUM IN |
| Style Designator | BALL TYPE |
| Shank Width Across Wrench Flats | 1.7405 INCHES MINIMUM AND 1.8230 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Shank Style | INTERNALLY THREADED W/HEXAGON END AND INSPECTION HOLE |
| Surface Treatment | CHROMIUM INNER MEMBER |
| Thread Class | 3B |
| Static Radial Load Rating | 52000 POUNDS LBS |
| Bore Diameter | 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN |
| Inspection Hole Center to End Distance | 1.3125 INCHES NOMINAL IN |
| Outer Member Outside Diameter | 2.7400 INCHES MINIMUM AND 2.7600 INCHES MAXIMUM 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 |
|---|---|
| 51E16-233 | Rbc Specline Inc Dba Specline Inc (USA) |
| 709-4684918ITEM16 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| DREF-16-090 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3120-01-077-3203 is a Bearing,plain,rod End, manufactured by Rbc Specline Inc Dba Specline Inc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-077-3203 has 2 manufacturer part numbers on file: 51E16-233 (Rbc Specline Inc Dba Specline Inc), 709-4684918ITEM16 (Naval Sea Systems Command).
Key specifications for 51E16-233: Shank Thread Length: 2.0938 INCHES MINIMUM AND 2.1875 INCHES MAXIMUM IN; Bore Center to Shank End Distance: 4.1150 INCHES MINIMUM AND 4.1350 INCHES MAXIMUM IN; Inner Member Width: 1.3700 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN; Outer Member Width: 1.0100 INCHES MINIMUM AND 1.0200 INCHES MAXIMUM IN. 14 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.