The Bearing,sleeve, cataloged under National Stock Number 3120-00-661-4997, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Altra Industrial Motion Corp.. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3120-00-661-4997 |
| Primary Part Number | FB58-5 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — No Item Name Available |
| Manufacturer | Altra Industrial Motion Corp. |
| Status | CANCELLED |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Corner Shape | SQUARE LEFT FLANGE BODY CORNER |
| Nondefinitive Spec/std Data | 1 TYPE AND A COMPOSITION |
| Material Document and Classification | MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | OIL LUBRICATING LUBRICATION |
| Flange Width | 0.0913 INCHES MINIMUM AND 0.0963 INCHES MAXIMUM IN |
| Flange Outside Diameter | 0.6850 INCHES MINIMUM AND 0.6900 INCHES MAXIMUM IN |
| Material | COPPER ALLOY OVERALL |
| Corner Shape | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER |
| Body Inside Diameter | 0.3130 INCHES MINIMUM AND 0.3140 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.5010 INCHES MINIMUM AND 0.5020 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FB58-5 | Altra Industrial Motion Corp. (USA) |
| 6789 | The Entwistle Company Llc (USA) |
| MS17796-44 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 473D996H04 | Westinghouse Electric Corp (USA) |
| MILB5687 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 3120-00-661-4997 is a Bearing,sleeve, manufactured by Altra Industrial Motion Corp., classified under FSC 3120 (No Item Name Available). Status: cancelled.
NSN 3120-00-661-4997 has 5 cross-referenced part numbers: FB58-5 (Altra Industrial Motion Corp.), 6789 (The Entwistle Company Llc), MS17796-44 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 473D996H04 (Westinghouse Electric Corp), MILB5687 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 5 known substitutes for 3120-00-661-4997: 5950-00-810-1950, 5305-01-133-0804, 5340-01-145-4687 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for FB58-5: Corner Shape: SQUARE INSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER; Style Designator: SOLID, EXTERNAL FLANGE ONE END; Corner Shape: SQUARE OUTSIDE RIGHT CORNER. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 3120-00-661-4997 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.