The Fire Detector,pylon Loop, cataloged under National Stock Number 1680-01-154-8938, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Meggitt Safety Systems Inc. Government technical data includes 2 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-154-8938 |
| Primary Part Number | 4497 |
| Item Name | Fire Detector,pylon Loop |
| FSC / FSG | 1680 / 16 — No Item Name Available |
| Manufacturer | Meggitt Safety Systems Inc |
| Status | ACTIVE |
| FSC Application Data | AIRCRAFT ACCESSORY EQUIPMENT |
| General Characteristics Item Description | CONSISTS OF 2 WELD INSERTS,6521; 13 CLAMPS,10-20155;1 CHANNEL,4496-2;1 CHANNEL,4496-1;25693;1 SUPPORT TUBE;1 BRACKET,DET.;FUSION WELD PER MPP 364; ELECTRO-POLISH PER MPP 363 TYPE 4 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 1680-01-154-8938 is a Fire Detector,pylon Loop, manufactured by Meggitt Safety Systems Inc, classified under FSC 1680 (No Item Name Available). Status: active.
NSN 1680-01-154-8938 has 2 cross-referenced part numbers: 4497 (Meggitt Safety Systems Inc), C-4497 (Meggitt Safety Systems Inc).
There are 8 known substitutes for 1680-01-154-8938: 5315-00-198-5982, 4720-00-355-3971, 3405-00-458-8050 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4497: End Item Identification: C-141 AIRCRAFT; FSC Application Data: AIRCRAFT ACCESSORY EQUIPMENT; General Characteristics Item Description: CONSISTS OF 2 WELD INSERTS,6521; 13 CLAMPS,10-20155;1 CHANNEL,4496-2;1 CHANNEL,4496-1;25693;1 SUPPORT TUBE;1 BRACKET,DET.;FUSION WELD PER MPP 364; ELECTRO-POLISH PER MPP 363 TYPE 4. 3 total characteristics are documented in the Federal Logistics Information System.