The Trigger,control, cataloged under National Stock Number 1680-00-402-2546, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Mason Electric Co. Dba Mason Controls. This item has 5 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 | 1680-00-402-2546 |
| Primary Part Number | PM21939 |
| Item Name | Trigger,control |
| FSC / FSG | 1680 / 16 — No Item Name Available |
| Manufacturer | Mason Electric Co. Dba Mason Controls |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 1680-00-402-2546 is a Trigger,control, manufactured by Mason Electric Co. Dba Mason Controls, classified under FSC 1680 (No Item Name Available). Status: active.
NSN 1680-00-402-2546 has 5 cross-referenced part numbers: 21939 (Unison Industries Llc), 21939 (Amphenol Corp Div Amphenol Aerospace Operations), PM2 1939 (Amphenol Corp Div Amphenol Aerospace Operations), PM21939 (Unison Industries Llc), PM21939 (Mason Electric Co. Dba Mason Controls).
There are 6 known substitutes for 1680-00-402-2546: 9540-00-684-6322, 9540-01-071-1354, 9540-01-071-2149 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for PM21939: End Item Identification: SIKORSKY CH53 HELICOPTER. 1 total characteristics are documented in the Federal Logistics Information System.