The Chain,silent, cataloged under National Stock Number 3020-00-484-5771, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Emerson Power Transmission Corporation Div Ept. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, 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 | 3020-00-484-5771 |
| Primary Part Number | SC0305-139 |
| Item Name | Chain,silent |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Emerson Power Transmission Corporation Div Ept |
| Status | ACTIVE |
| Link Nominal Width | 0.1550 INCHES IN |
| Minimum Tensile Strength | 400 POUNDS PER SQUARE INCH LBS |
| Link Style | SIDE GUIDES |
| Material | STEEL CORROSION RESISTING |
| Link Nominal Width Between Plates | 0.1550 INCHES IN |
| Nominal Pitch Distance | 0.188 INCHES IN |
| Link Row Quantity | 5 |
| Effective Length | 2.1776 FEET NOMINAL FT |
| Surface Treatment | PASSIVATE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| SC0305-139 | Emerson Power Transmission Corporation Div Ept (USA) |
| 166378 | Emerson Power Transmission Corporation Div Ept (USA) |
| 3020004845771 | E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 10084356 | Us Army Aviation and Missile Command (USA) |
| 433-1932 | Nimikkeistokeskus Ncb Finland (FIN) |
NSN 3020-00-484-5771 is a Chain,silent, manufactured by Emerson Power Transmission Corporation Div Ept, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-484-5771 has 5 cross-referenced part numbers: SC0305-139 (Emerson Power Transmission Corporation Div Ept), 166378 (Emerson Power Transmission Corporation Div Ept), 3020004845771 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee), 10084356 (Us Army Aviation and Missile Command), 433-1932 (Nimikkeistokeskus Ncb Finland).
There is 1 known substitute for 3020-00-484-5771: 5330-00-105-3253. Verify interchangeability with system specifications before substitution.
Key specifications for SC0305-139: Special Features: AJXY /SHROUD/; Link Nominal Width: 0.1550 INCHES IN; Minimum Tensile Strength: 400 POUNDS PER SQUARE INCH LBS; Link Style: SIDE GUIDES. 10 total characteristics are documented in the Federal Logistics Information System.