The Brake,floor,wheeled Equipment, cataloged under National Stock Number 3990-00-542-2809, is classified within Federal Supply Class 3990 (No Item Name Available) of the Materials Handling Equipment group. The primary manufacturer of record is Aerol Llc. Government technical data includes 6 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3990-00-542-2809 |
| Primary Part Number | 51139 |
| Item Name | Brake,floor,wheeled Equipment |
| FSC / FSG | 3990 / 39 — No Item Name Available |
| Manufacturer | Aerol Llc |
| Status | CANCELLED |
| Retracted Height | 4.250 INCHES NOMINAL IN |
| Height | 7.250 INCHES NOMINAL IN |
| Brake Type | FRICTION DISK |
| Mounting Hole Diameter | 0.500 INCHES NOMINAL IN |
| Pedal Type | DOUBLE |
| Mounting Hole Spacing | 4-15/16 IN. BY 2-7/16 IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 51139 PRIMARY | Aerol Llc (USA) |
| F620 | Stewart-Warner Bassick Corp (USA) |
| 8849214 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament (USA) |
| 8170000 | Us Army Aviation and Missile Command (USA) |
NSN 3990-00-542-2809 is a Brake,floor,wheeled Equipment, manufactured by Aerol Llc, classified under FSC 3990 (No Item Name Available). Status: cancelled.
NSN 3990-00-542-2809 has 4 cross-referenced part numbers: 51139 (Aerol Llc), F620 (Stewart-Warner Bassick Corp), 8849214 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament), 8170000 (Us Army Aviation and Missile Command).
There are 10 known substitutes for 3990-00-542-2809: 2940-00-075-4728, 4820-00-142-3142, 5310-00-297-6107 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 51139: Retracted Height: 4.250 INCHES NOMINAL IN; Height: 7.250 INCHES NOMINAL IN; Special Features: MOUNTING PLATE 3.875 IN. X 6.250 IN. IN; Brake Type: FRICTION DISK. 7 total characteristics are documented in the Federal Logistics Information System.
NSN 3990-00-542-2809 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.