The Bearing,sleeve, cataloged under National Stock Number 3120-00-662-1876, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Cooper Machinery Services Llc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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 | 3120-00-662-1876 |
| Primary Part Number | G-3639 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — No Item Name Available |
| Manufacturer | Cooper Machinery Services Llc |
| Status | ACTIVE |
| Flange Outside Diameter | 2.0000 INCHES NOMINAL IN |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Body Inside Diameter | 1.4800 INCHES MINIMUM AND 1.4850 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 937 OVERALL |
| Body Outside Diameter | 1.7530 INCHES MINIMUM AND 1.7540 INCHES MAXIMUM IN |
| Corner Shape | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER |
| Corner Shape | CHAMFERED OUTSIDE LEFT CORNER |
| Flange Width | 0.1406 INCHES NOMINAL IN |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Corner Shape | SQUARE LEFT FLANGE BODY CORNER |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| G-3639 PRIMARY | Cooper Machinery Services Llc (USA) |
NSN 3120-00-662-1876 is a Bearing,sleeve, manufactured by Cooper Machinery Services Llc, classified under FSC 3120 (No Item Name Available). Status: active.
NSN 3120-00-662-1876 has 1 cross-referenced part number: G-3639 (Cooper Machinery Services Llc).
There are 2 known substitutes for 3120-00-662-1876: 6685-00-136-3151, 3130-01-188-4878. Verify interchangeability with system specifications before substitution.
Key specifications for G-3639: Flange Outside Diameter: 2.0000 INCHES NOMINAL IN; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Body Inside Diameter: 1.4800 INCHES MINIMUM AND 1.4850 INCHES MAXIMUM IN; Overall Length: 1.5000 INCHES NOMINAL IN. 14 total characteristics are documented in the Federal Logistics Information System.