PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5957Fire Overheat Control Unit

Meggitt Safety Systems Inc · NSN 1680-01-135-3035 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-01-135-3035 — this item is cataloged by the U.S. Government under National Stock Number 1680-01-135-3035. Primary manufacturer part number: 5957.
Features
  • Fire Overheat Control Unit — FSC 1680
  • FSC Application Data: FIRE EXTINGUISHING SYSTEM,AIRCRAFT
  • General Characteristics Item Description: CONTROL UNIT MOUNTS ON NOMINAL 0.062 THICK PANEL WITH 5 NUMBER 6 SCREWS;5 0.062 THICK FIBER SPACERS ARE REMOVED WHEN CONTROL UNIT IS MOUNTED;CASE FINISH BLACK ANODIZE MIL-A-8625,TYPE II;TEST PER ATP-045
  • 1 verified cross-reference
  • Primary manufacturer: Meggitt Safety Systems Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fire Overheat Control Unit, cataloged under National Stock Number 1680-01-135-3035, 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 1 commercial cross-reference 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.

Technical Specifications
ParameterValue
NSN1680-01-135-3035
Primary Part Number5957
Item NameFire Overheat Control Unit
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerMeggitt Safety Systems Inc
StatusACTIVE
FSC Application DataFIRE EXTINGUISHING SYSTEM,AIRCRAFT
General Characteristics Item DescriptionCONTROL UNIT MOUNTS ON NOMINAL 0.062 THICK PANEL WITH 5 NUMBER 6 SCREWS;5 0.062 THICK FIBER SPACERS ARE REMOVED WHEN CONTROL UNIT IS MOUNTED;CASE FINISH BLACK ANODIZE MIL-A-8625,TYPE II;TEST PER ATP-045
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5365-00-036-3158 INTERCHANGEABLE
Spacer
5330-00-363-7807 INTERCHANGEABLE
Gasket
5330-00-392-536825935 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5330-00-536-7421 INTERCHANGEABLE
Gasket
5960-00-806-0292 INTERCHANGEABLE
Electron Tube
5895-01-379-9783OC-8B INTERCHANGEABLE
Mixer Stage,frequency
Blonder Tongue Laboratories, Inc.
5310-01-478-47595957 INTERCHANGEABLE
Nut,self-Locking,hexagon
Independent Rough Terrain Center Llc
2930-01-624-07375957 INTERCHANGEABLE
Slip Clutch
Teledyne Flir Unmanned Ground Systems, Inc
Cross-Reference Index
Part NumberManufacturer
5957 PRIMARY Meggitt Safety Systems Inc (USA)
Related Parts
5365-00-036-3158INTERCHANGEABLE
SPACER
5330-00-363-7807INTERCHANGEABLE
GASKET
5330-00-392-5368INTERCHANGEABLE
SEAL,PLAIN ENCASED
25935
5330-00-536-7421INTERCHANGEABLE
GASKET
5960-00-806-0292INTERCHANGEABLE
ELECTRON TUBE
5895-01-379-9783INTERCHANGEABLE
MIXER STAGE,FREQUENCY
OC-8B
5310-01-478-4759INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5957
2930-01-624-0737INTERCHANGEABLE
SLIP CLUTCH
5957

Frequently Asked Questions

What is NSN 1680-01-135-3035?

NSN 1680-01-135-3035 is a Fire Overheat Control Unit, manufactured by Meggitt Safety Systems Inc, classified under FSC 1680 (No Item Name Available). Status: active.

What are the part numbers for NSN 1680-01-135-3035?

NSN 1680-01-135-3035 has 1 cross-referenced part number: 5957 (Meggitt Safety Systems Inc).

What NSN replaces 1680-01-135-3035?

There are 8 known substitutes for 1680-01-135-3035: 5365-00-036-3158, 5330-00-363-7807, 5330-00-392-5368 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5957?

Key specifications for 5957: End Item Identification: F-4 AIRCRAFT; FSC Application Data: FIRE EXTINGUISHING SYSTEM,AIRCRAFT; General Characteristics Item Description: CONTROL UNIT MOUNTS ON NOMINAL 0.062 THICK PANEL WITH 5 NUMBER 6 SCREWS;5 0.062 THICK FIBER SPACERS ARE REMOVED WHEN CONTROL UNIT IS MOUNTED;CASE FINISH BLACK ANODIZE MIL-A-8625,TYPE II;TEST PER ATP-045. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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