The Bearing,ball,duplex, cataloged under National Stock Number 3110-00-992-1010, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 18 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-992-1010 |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Internal Fit-Up Designation | TIGHT |
| Surface Finish | GROUND |
| Criticality Code Justification | ZZZW |
| Style Designator | UNIVERSAL GROUND FACES, COUNTERBORED OUTER RING, NON-SEPARABLE |
| Overall Outside Diameter | 3.5431 INCHES MINIMUM AND 3.5433 INCHES MAXIMUM IN |
| Departure From Cited Document | ANNUAL BALL BEARING FOR QUIET OPERATION APPLICATION TO SUBMARINE USAGE |
| Nondefinitive Spec/std Data | 134 TYPE AND 1 CLASS |
| Load Direction | ANGULAR |
| Bore Diameter | 1.5746 INCHES MINIMUM AND 1.5748 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Material | GREASE LUBRICATION |
| Lubrication Material Document and Classification | MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Reference | Meaning |
|---|---|
| 999999K177NT | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 114S3304-127 | 5/1 Secondary reference The Boeing Company |
| 114S3304-127NT | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 7308DBDFDTNT3NT | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| M17931-A010 | 5/1 Secondary reference Rbc Aircraft Products, Inc. |
| 7308DUXX00X015B13DG655A | 5/9 Secondary reference Skf Usa Inc. |
| MILB17931 | 5/1 Secondary reference U.S. Government activity |
| 999999K177 | 5/1 Secondary reference U.S. Government activity |
| 79999007NT | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 79999007 | 5/9 Secondary reference U.S. Government activity |
| M17931-A010 | 4/1 Identification reference U.S. Government activity |
| MILB17931NT | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| M17931-A010NT | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 30308DT7077NT | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 7308DBDFDTNT3 | 5/1 Secondary reference Skf Usa Inc. |
| 30308DT7077 | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
| 79999007 | 5/1 Secondary reference U.S. Government activity |
| 30308DT7077 | 5/1 Secondary reference General Motors Corp |
NSN 3110-00-992-1010 is a Bearing,ball,duplex, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5940-01-694-5025. Verify interchangeability with system specifications before substitution.
Key specifications for 3110-00-992-1010: Retainer Fabrication Method: PRESSED; Internal Fit-Up Designation: TIGHT; Surface Finish: GROUND; Criticality Code Justification: ZZZW. 13 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.
NSN 3110-00-992-1010 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.