The Bearing,ball,annular, cataloged under National Stock Number 3110-00-438-2102, 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 21 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-438-2102 |
| Primary Part Number | 207103 |
| 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 | PRESSED |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Internal Clearance | 0.0006 INCHES MINIMUM RADIAL AND 0.0010 INCHES MAXIMUM RADIAL IN |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | FED-STD-66 FED STD SINGLE MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | FED-STD-66 FED STD SINGLE MATERIAL RESPONSE BALL |
| Material Document and Classification | FED-STD-66 FED STD SINGLE MATERIAL RESPONSE RETAINER |
| Material Document and Classification | FED-STD-66 FED STD SINGLE MATERIAL RESPONSE INNER RING |
| Overall Outside Diameter | 0.5000 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Seal Quantity | 2 |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 0.1875 INCHES NOMINAL IN |
| Material | STEEL COMP 440C INNER RING |
| Material | STEEL COMP 440C OUTER RING |
| Material | STEEL COMP 302 RETAINER |
| Material | STEEL COMP 440C BALL |
| Lubrication Material Document and Classification | UNITEMP 500,FSCM 59595 MFR REF 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 |
|---|---|
| 207103 | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| 207103 PRIMARY | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
| 207103 | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| S0112 | 5/9 Secondary reference U.S. Government activity |
| R3ZZ2STB107A023H27XB165L | 5/9 Secondary reference Skf Usa Inc. |
| SR31LL3DC19K610 | 5/9 Secondary reference U.S. Government activity |
| SR31LL3DC19K610 | 5/1 Secondary reference New Hampshire Ball Bearings Inc Div Precision Division |
| 207103 | 5/9 Secondary reference Skf Usa Inc. |
NSN 3110-00-438-2102 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 3110-00-438-2102 has 3 manufacturer part numbers on file: 207103 (Honeywell International Inc. Div Aerospace - Torrance), 207103 (New Hampshire Ball Bearings Inc Div Precision Division), 207103 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
2 possible matches (shared part number, not a government interchangeability claim): 4310-00-656-4742, 4320-01-268-2440. Verify interchangeability with system specifications before substitution.
Key specifications for 207103: Retainer Fabrication Method: PRESSED; Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Internal Clearance: 0.0006 INCHES MINIMUM RADIAL AND 0.0010 INCHES MAXIMUM RADIAL IN. 21 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.