The Bearing,sleeve, cataloged under National Stock Number 3120-00-661-3999, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-661-3999 |
| Primary Part Number | 421103 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — No Item Name Available |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Material Document and Classification | SAE 1335 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Body Outside Diameter | 1.1553 INCHES MINIMUM AND 1.1555 INCHES MAXIMUM IN |
| Corner Shape | CHAMFERED INSIDE LEFT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Hardness Rating | 24.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL |
| Body Inside Diameter | 0.9325 INCHES MINIMUM AND 0.9375 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL COMP 1335 OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3120-00-661-3999 is a Bearing,sleeve, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3120 (No Item Name Available). Status: active.
NSN 3120-00-661-3999 has 2 cross-referenced part numbers: 421103 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 204048PC4 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
There is 1 known substitute for 3120-00-661-3999: 5950-00-504-0526. Verify interchangeability with system specifications before substitution.
Key specifications for 421103: Material Document and Classification: SAE 1335 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Overall Length: 1.2930 INCHES MINIMUM AND 1.3050 INCHES MAXIMUM IN; Body Outside Diameter: 1.1553 INCHES MINIMUM AND 1.1555 INCHES MAXIMUM IN. 12 total characteristics are documented in the Federal Logistics Information System.