The Bearing,sleeve, cataloged under National Stock Number 3120-00-180-6980, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Bunting Bearings Corp. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-180-6980 |
| Primary Part Number | B-2 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — No Item Name Available |
| Manufacturer | Bunting Bearings Corp |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY |
| Material Document and Classification | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | COPPER ALLOY 932 OVERALL |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Corner Shape | SQUARE ALL CORNERS |
| Body Inside Diameter | 0.2490 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.4395 INCHES MINIMUM AND 0.4405 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B-2 PRIMARY | Bunting Bearings Corp (USA) |
| M47-8 | Altra Industrial Motion Corp. (USA) |
| MS35771-11 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 948GP | Johnson Bronze Co (USA) |
NSN 3120-00-180-6980 is a Bearing,sleeve, manufactured by Bunting Bearings Corp, classified under FSC 3120 (No Item Name Available). Status: active.
NSN 3120-00-180-6980 has 4 cross-referenced part numbers: B-2 (Bunting Bearings Corp), M47-8 (Altra Industrial Motion Corp.), MS35771-11 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 948GP (Johnson Bronze Co).
There are 2 known substitutes for 3120-00-180-6980: 3110-00-100-4454, 5955-01-311-6188. Verify interchangeability with system specifications before substitution.
Key specifications for B-2: Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY; Material Document and Classification: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: COPPER ALLOY 932 OVERALL; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 8 total characteristics are documented in the Federal Logistics Information System.