The Bushing,sleeve, cataloged under National Stock Number 3120-00-684-2181, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-684-2181 |
| Primary Part Number | LS3859-5-15 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — No Item Name Available |
| Manufacturer | Lockheed Martin Corp |
| Status | ACTIVE |
| Body Inside Diameter | 0.3125 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM IN |
| Corner Shape | SQUARE ALL CORNERS |
| Surface Treatment | CADMIUM OUTSIDE DIAMETER SURFACE OF BODY |
| Surface Treatment | CADMIUM LEFT END SURFACE OF BODY |
| Material | STEEL COMP 8630 OVERALL |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE DIAMETER SURFACE OF BODY |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE LEFT END SURFACE OF BODY |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE RIGHT END SURFACE OF BODY |
| Surface Treatment | CADMIUM RIGHT END SURFACE OF BODY |
| Body Outside Diameter | 0.4386 INCHES MINIMUM AND 0.4391 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AM350-7 | Avalon Glass and Mirror Co (USA) |
| LS3859-5-15 PRIMARY | Lockheed Martin Corp (USA) |
| 19320 | Master Machine Products Corp (USA) |
NSN 3120-00-684-2181 is a Bushing,sleeve, manufactured by Lockheed Martin Corp, classified under FSC 3120 (No Item Name Available). Status: active.
NSN 3120-00-684-2181 has 3 cross-referenced part numbers: AM350-7 (Avalon Glass and Mirror Co), LS3859-5-15 (Lockheed Martin Corp), 19320 (Master Machine Products Corp).
There are 6 known substitutes for 3120-00-684-2181: 5950-00-072-7199, 7125-01-006-7552, 4940-01-150-0600 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for LS3859-5-15: Body Inside Diameter: 0.3125 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM IN; Corner Shape: SQUARE ALL CORNERS; Surface Treatment: CADMIUM OUTSIDE DIAMETER SURFACE OF BODY; Surface Treatment: CADMIUM LEFT END SURFACE OF BODY. 13 total characteristics are documented in the Federal Logistics Information System.