The Bearing,plain,track Roller, cataloged under National Stock Number 3120-01-628-5528, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is W.w. Grainger, Inc. Div Government Sales Division. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3120-01-628-5528 |
| Primary Part Number | 2CPP4 |
| Item Name | Bearing,plain,track Roller |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | W.w. Grainger, Inc. Div Government Sales Division |
| Status | ACTIVE |
| Outer Member Width | 0.380 INCHES NOMINAL0.380 INCHES NOMINAL IN |
| Style Designator | CROWNED OUTER RING W/INSERT AND/OR LINER |
| Surface Treatment | ZINC BODY |
| Surface Treatment | ZINC ROD END BODY |
| Material | STEEL BODY |
| Material | STEEL ROD END BODY |
| Outer Member Outside Diameter | 1.380 INCHES NOMINAL1.380 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 |
|---|---|
| 2CPP4 PRIMARY | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| PAC3016 PRIMARY | Pacific Bearing Company (USA) |
| Reference | Meaning |
|---|---|
| 06A8123105 | 7/2 Vendor item drawing reference Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army |
NSN 3120-01-628-5528 is a Bearing,plain,track Roller, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-628-5528 has 2 manufacturer part numbers on file: 2CPP4 (W.w. Grainger, Inc. Div Government Sales Division), PAC3016 (Pacific Bearing Company).
Key specifications for 2CPP4: Outer Member Width: 0.380 INCHES NOMINAL0.380 INCHES NOMINAL IN; Style Designator: CROWNED OUTER RING W/INSERT AND/OR LINER; Special Features: STUD DIA IS 0.3130 IN (NOM);STUD LENGTH IS 0.625 IN (NOM);THREAD SIZE IS 0.3125 IN (NOM);THREAD LENGTH IS 0.450 IN (NOM);THREADS/INCH ARE 18;BEARING TYPE IS BALLSTUD DIA IS 0.3130 IN (NOM);STUD LENGTH IS 0.625 IN (NOM);THREAD SIZE IS 0.3125 IN (NOM);THREAD LENGTH IS 0.450 IN (NOM);THREADS/INCH ARE 18;BEARING TYPE IS BALL IN; Surface Treatment: ZINC BODY. 7 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.