The Bearing,ball,annular, cataloged under National Stock Number 3110-01-349-4244, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is New Hampshire Ball Bearings Inc Div Precision Division. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-349-4244 |
| Primary Part Number | 1377597 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | New Hampshire Ball Bearings Inc Div Precision Division |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Lubrication Material | GREASE |
| Internal Clearance | 0.0008 INCHES MINIMUM RADIAL AND 0.0011 INCHES MAXIMUM RADIAL IN |
| Flange Outside Diameter | 0.5650 INCHES NOMINAL IN |
| Surface Finish | GROUND |
| Shield Quantity | 2 |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE BALL |
| Material Document and Classification | ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE INNER RING |
| Material Document and Classification | ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | ASTM A580 ASSN STD ALL MATERIAL RESPONSES OR QQ-S-766 FED SPEC ALL MATERIAL RESPONSES SHIELD |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Flange Width | 0.0420 INCHES NOMINAL IN |
| Outer Ring Outside Diameter | 0.5000 INCHES NOMINAL IN |
| Standard Tolerance Designation | ABEC NO. 7P |
| Bore Diameter | 0.1875 INCHES NOMINAL IN |
| Material | STEEL COMP 440C INNER RING |
| Material | STEEL COMP 440C OUTER RING |
| Material | STEEL COMP 440C BALL |
| Material | PLASTIC PHENOL FORMALDEHYDE (PMO) RETAINER |
| Material | STEEL COMP 304 OR STEEL COMP 302 OR STEEL COMP 305 SHIELD |
| Lubrication Material Document and Classification | MIL-G-81322 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 | N |
| Part Number | Manufacturer |
|---|---|
| 1377597 PRIMARY | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
| Reference | Meaning |
|---|---|
| 1377597 | 5/9 Secondary reference U.S. Government activity |
| 1377597 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 3110-01-349-4244 is a Bearing,ball,annular, manufactured by New Hampshire Ball Bearings Inc Div Precision Division, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-349-4244 has 1 manufacturer part number on file: 1377597 (New Hampshire Ball Bearings Inc Div Precision Division).
Key specifications for 1377597: Retainer Fabrication Method: MACHINED; Lubrication Material: GREASE; Internal Clearance: 0.0008 INCHES MINIMUM RADIAL AND 0.0011 INCHES MAXIMUM RADIAL IN; Flange Outside Diameter: 0.5650 INCHES NOMINAL IN. 23 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.