The Bearing Unit,ball, cataloged under National Stock Number 3130-01-374-9382, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-374-9382 |
| Primary Part Number | MSF-20 |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co |
| Status | ACTIVE |
| Seal Type | LABYRINTH |
| Lubrication Fitting Type | HYDRAULIC |
| Assembly Overall Length | 1.7500 INCHES NOMINAL IN |
| Flange Thickness | 0.5625 INCHES NOMINAL IN |
| Mounting Hole Type | ROUND, UNTHREADED |
| Rotating Element Locking Method | DIRECT |
| Seal Location | BOTH ENDS |
| Block Type | FIXED |
| Style Designator | FLANGE BLOCK |
| Mounting Hole Diameter | 0.5156 INCHES NOMINAL IN |
| Housing Width | 4.6250 INCHES NOMINAL IN |
| Alignment Type | SELF-ALIGNING |
| Rolling Element Groove Quantity | 1 |
| Bolt Circle Diameter | 3.6250 INCHES NOMINAL IN |
| Bore Diameter | 1.2500 INCHES NOMINAL IN |
| Material | IRON CAST OVERALL |
| Housing Length | 1.3438 INCHES NOMINAL IN |
| Lubrication Fitting Angle From Horizontal Centerline | 90.0 DEGREES NOMINAL |
| Load Capability Type | RADIAL |
| 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 |
|---|---|
| 2D3-03268 ITEM 9 | Lake Shore Systems, Inc. (USA) |
| MSF-20 PRIMARY | Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co (USA) |
| Reference | Meaning |
|---|---|
| MSF-20 | 5/9 Secondary reference Tekna Inc |
NSN 3130-01-374-9382 is a Bearing Unit,ball, manufactured by Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-374-9382 has 2 manufacturer part numbers on file: 2D3-03268 ITEM 9 (Lake Shore Systems, Inc.), MSF-20 (Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co).
Key specifications for MSF-20: Seal Type: LABYRINTH; Lubrication Fitting Type: HYDRAULIC; Assembly Overall Length: 1.7500 INCHES NOMINAL IN; Flange Thickness: 0.5625 INCHES NOMINAL IN. 19 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.