The Bearing,ball,annular, cataloged under National Stock Number 3110-01-121-1773, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-121-1773 |
| Primary Part Number | 999534-84 |
| 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 | 0.0003 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | 66 FED STD 1ST MATERIAL RESPONSE BALL |
| Material Document and Classification | 66 FED STD 2ND MATERIAL RESPONSE INNER RING |
| Material Document and Classification | 66 FED STD 3RD MATERIAL RESPONSE OUTER RING |
| Overall Outside Diameter | 0.3750 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Seal Quantity | 2 |
| Standard Tolerance Designation | ABEC NO.5 |
| Bore Diameter | 0.1875 INCHES NOMINAL IN |
| Material | STEEL COMP 440C INNER RING |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAL |
| Material | STEEL COMP 440C OUTER RING |
| Material | STEEL CORROSION RESISTING RETAINER |
| Material | STEEL COMP 440C BALL |
| Lubrication Material Document and Classification | MIL-G-23827 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 |
|---|---|
| 999534-84 PRIMARY | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
| Reference | Meaning |
|---|---|
| SSRI-6632LLHA5P25LG49 | 5/1 Secondary reference New Hampshire Ball Bearings Inc Div Precision Division |
| 10107463 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| SSRI-6632LLHA5P25LG49 | 5/9 Secondary reference U.S. Government activity |
| 999534-84 | 7/2 Vendor item drawing reference Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division |
| SR1665LL3-235 | 5/9 Secondary reference U.S. Government activity |
NSN 3110-01-121-1773 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 3110-01-121-1773 has 1 manufacturer part number on file: 999534-84 (New Hampshire Ball Bearings Inc Div Precision Division).
Key specifications for 999534-84: Retainer Fabrication Method: PRESSED; Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Internal Clearance: 0.0003 INCHES MINIMUM RADIAL AND 0.0005 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.