The Roller,linear-Rotary Motion, cataloged under National Stock Number 3120-01-052-2139, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-052-2139 |
| Primary Part Number | A1392-001 |
| Item Name | Roller,linear-Rotary Motion |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc |
| Status | ACTIVE |
| Bore Length | 0.710 INCHES MINIMUM AND 0.720 INCHES MAXIMUM IN |
| Material Document and Classification | /DELRIN/ AF MFR REF SINGLE MATERIAL RESPONSE |
| Outside Diameter | 0.500 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Flange Width | 0.022 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN |
| Material | PLASTIC ACETAL |
| Face Width | 0.634 INCHES MINIMUM AND 0.646 INCHES MAXIMUM IN |
| Bore Inside Diameter | 0.189 INCHES MINIMUM AND 0.191 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 |
|---|---|
| A1392-001 PRIMARY | Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc (USA) |
| A1392-1 | Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc (USA) |
| Reference | Meaning |
|---|---|
| A1392-1 | 5/9 Secondary reference Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp |
| A1392-001 | 5/9 Secondary reference Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp |
NSN 3120-01-052-2139 is a Roller,linear-Rotary Motion, manufactured by Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-052-2139 has 2 manufacturer part numbers on file: A1392-001 (Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc), A1392-1 (Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc).
Key specifications for A1392-001: Bore Length: 0.710 INCHES MINIMUM AND 0.720 INCHES MAXIMUM IN; Material Document and Classification: /DELRIN/ AF MFR REF SINGLE MATERIAL RESPONSE; Outside Diameter: 0.500 INCHES NOMINAL IN; Casehardening Indicator: NOT CASEHARDENED. 8 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.