The Bearing Unit,ball, cataloged under National Stock Number 3130-00-621-2907, is classified within Federal Supply Class 3130 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3130-00-621-2907 |
| Primary Part Number | 489-531 |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — No Item Name Available |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| Status | CANCELLED |
| Bore Diameter | 1.0000 INCHES NOMINAL IN |
| Rolling Element Groove Quantity | 1 |
| Housing Length | 1.0312 INCHES NOMINAL IN |
| Material | IRON CAST HOUSING |
| Material | STEEL AND WOOL SEAL |
| Housing Diameter | 3.1250 INCHES NOMINAL IN |
| Assembly Overall Length | 1.3750 INCHES NOMINAL IN |
| Internal Fit-Up Designation | STANDARD |
| Seal Location | BOTH ENDS |
| Rotating Element Locking Method | DIRECT |
| Seal Type | LABYRINTH |
| Alignment Type | SELF-ALIGNING |
| Lubrication Fitting Type | HYDRAULIC |
| Block Type | FIXED |
| Lubrication Fitting Angle From Horizontal Centerline | 90.0 DEGREES NOMINAL |
| Temp Rating | 275.0 FAHRENHEIT DEGF |
| Style Designator | CYLINDRICAL CARTRIDGE |
| Features Provided | GROUND ROLLING ELEMENT GROOVE |
| Shaft End Type | OPEN |
| Lubrication Material | GREASE |
| Load Capability Type | RADIAL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 06-480-118-110 | Allis-Chalmers Corp (USA) |
| SC16 | Stephens-Adamson Inc a Sub of Allis-Chalmers Corp (USA) |
| 489-531 | Scomill Inc (USA) |
| K210-03068 | National Weather Service Dba National Weather Service Ohd1 Div Office of Operational Systems (USA) |
| 489-531 | Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA) |
| FL5636 | Crouse-Hinds Co (USA) |
| 489-531 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
| FL8245 | Crouse-Hinds Co (USA) |
| SC16 | Applied Industrial Technologies Inc (USA) |
NSN 3130-00-621-2907 is a Bearing Unit,ball, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 3130 (No Item Name Available). Status: cancelled.
NSN 3130-00-621-2907 has 9 cross-referenced part numbers: 06-480-118-110 (Allis-Chalmers Corp), SC16 (Stephens-Adamson Inc a Sub of Allis-Chalmers Corp), 489-531 (Scomill Inc), K210-03068 (National Weather Service Dba National Weather Service Ohd1 Div Office of Operational Systems), 489-531 (Northrop Grumman Systems Corporation Div Es Defensive Systems Division) and 4 more.
There are 7 known substitutes for 3130-00-621-2907: 5340-00-034-7951, 5975-00-159-0969, 5120-00-224-4111 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 489-531: Bore Diameter: 1.0000 INCHES NOMINAL IN; Rolling Element Groove Quantity: 1; Housing Length: 1.0312 INCHES NOMINAL IN; Material: IRON CAST HOUSING. 21 total characteristics are documented in the Federal Logistics Information System.
NSN 3130-00-621-2907 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.