The Housing,bearing Unit, cataloged under National Stock Number 3130-01-231-5969, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Kalmar AC Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3130-01-231-5969 |
| Primary Part Number | 4841556-6 |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Kalmar AC Inc |
| Status | ACTIVE |
| Lubrication Fitting Type | HYDRAULIC |
| Mounting Hole Type | SLOTTED |
| Style Designator | PILLOW BLOCK, SOLID |
| Shaft End Type | OPEN |
| Material | IRON CAST OVERALL |
| Lubrication Fitting Angle From Horizontal Centerline | 60.0 DEGREES NOMINAL |
| 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 |
|---|---|
| 4841556-6 PRIMARY | Kalmar AC Inc (USA) |
| Reference | Meaning |
|---|---|
| 74841556 | 5/9 Secondary reference Kalmar AC Inc |
| 74841556-6 | 5/9 Secondary reference Kalmar AC Inc |
NSN 3130-01-231-5969 is a Housing,bearing Unit, manufactured by Kalmar AC Inc, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-231-5969 has 1 manufacturer part number on file: 4841556-6 (Kalmar AC Inc).
Key specifications for 4841556-6: Lubrication Fitting Type: HYDRAULIC; Mounting Hole Type: SLOTTED; Style Designator: PILLOW BLOCK, SOLID; Shaft End Type: OPEN. 6 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.