The Bearing,ball,annular, cataloged under National Stock Number 3110-00-139-6972, 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 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-139-6972 |
| Primary Part Number | SSRI-5532ZZEEHA3P37LRD12 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | New Hampshire Ball Bearings Inc Div Precision Division |
| Status | ACTIVE |
| Lubrication Material | OIL AND GREASE |
| Outer Ring Width | 0.1250 INCHES NOMINAL IN |
| Internal Clearance | 0.0003 INCHES MINIMUM RADIAL AND 0.0007 INCHES MAXIMUM RADIAL IN |
| Surface Finish | GROUND |
| Shield Quantity | 2 |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Overall Outside Diameter | 0.3125 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Standard Tolerance Designation | ABEC NO.3 |
| Bore Diameter | 0.1562 INCHES NOMINAL IN |
| Material | STEEL COMP 440C OVERALL |
| Lubrication Material Document and Classification | L-245X MIL SPEC 1ST MATERIAL RESPONSE AND BEACON 325 MIL SPEC 2ND MATERIAL RESPONSE |
| Inner Ring Width | 0.1562 INCHES NOMINAL IN |
| 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 |
|---|---|
| SSRI-5532ZZEEHA3P37LRD12 PRIMARY | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
| Reference | Meaning |
|---|---|
| SR1553PPEEK37-322 | 5/9 Secondary reference U.S. Government activity |
| 342322-1 | 5/9 Secondary reference Hamilton Sundstrand Corporation Div Mission Systems |
| SR155PPEE | C/1 Advisory reference — outside the item-of-supply concept New Hampshire Ball Bearings Inc Div Astro Division |
NSN 3110-00-139-6972 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 3110-00-139-6972 has 1 manufacturer part number on file: SSRI-5532ZZEEHA3P37LRD12 (New Hampshire Ball Bearings Inc Div Precision Division).
Key specifications for SSRI-5532ZZEEHA3P37LRD12: Lubrication Material: OIL AND GREASE; Outer Ring Width: 0.1250 INCHES NOMINAL IN; Internal Clearance: 0.0003 INCHES MINIMUM RADIAL AND 0.0007 INCHES MAXIMUM RADIAL IN; Surface Finish: GROUND. 15 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.