The Bearing,ball,annular, cataloged under National Stock Number 3110-01-082-6657, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Elettronica Aster Spa. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-082-6657 |
| Primary Part Number | 772109-5 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Elettronica Aster Spa |
| Status | ACTIVE |
| Lubrication Material | GREASE |
| Bearing Preload Rating | 15.0 POUNDS NOMINAL LBS |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Overall Outside Diameter | 1.3123 INCHES MINIMUM AND 1.3125 INCHES MAXIMUM IN |
| Bore Diameter | 1.0623 INCHES MINIMUM AND 1.0625 INCHES MAXIMUM IN |
| Material | STEEL COMP 440C OVERALL |
| Lubrication Material Document and Classification | MIL-G-81937 MIL SPEC SINGLE MATERIAL RESPONSE |
| 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 |
|---|---|
| 772109-5 | Elettronica Aster Spa (ITA) |
| 3TKLDD17-21-19 | Mpb Corporation Dba Mpb Corp (USA) |
| 772109-5 | Hensoldt Sensors Gmbh Div Seps (DEU) |
| Reference | Meaning |
|---|---|
| SR1742PT12C4K58-1/420 | 5/2 Secondary reference U.S. Government activity |
| 772109-5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-082-6657 is a Bearing,ball,annular, manufactured by Elettronica Aster Spa, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-082-6657 has 3 manufacturer part numbers on file: 772109-5 (Elettronica Aster Spa), 3TKLDD17-21-19 (Mpb Corporation Dba Mpb Corp), 772109-5 (Hensoldt Sensors Gmbh Div Seps).
Key specifications for 772109-5: Lubrication Material: GREASE; Bearing Preload Rating: 15.0 POUNDS NOMINAL LBS; Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Overall Width: 0.2974 INCHES MINIMUM AND 0.3124 INCHES MAXIMUM IN. 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.