PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A501Head Operating

L'hotellier SAS · NSN 1680-00-452-4526 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-00-452-4526 — this item is cataloged by the U.S. Government under National Stock Number 1680-00-452-4526. Primary manufacturer part number: A501.
Features
  • Head Operating — FSC 1680
  • 2 verified cross-references
  • Primary manufacturer: L'hotellier SAS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Head Operating, cataloged under National Stock Number 1680-00-452-4526, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is L'hotellier SAS. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameHead Operating
FSC / FSG1680 — No Item Name Available (FSG 16)
ManufacturersL'hotellier SAS (CAGE F9211); Kidde Graviner Ltd (CAGE K1536)
Technical Specifications
ParameterValue
NSN1680-00-452-4526
Primary Part NumberA501
Item NameHead Operating
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerL'hotellier SAS
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6625-00-323-0227 INTERCHANGEABLE
Tester
2920-00-405-4314 INTERCHANGEABLE
Generator,engine Accessory
5930-00-583-16529099262 INTERCHANGEABLE
Switch,push
U S Army Tank Automotive Command Amsta-Im-Mm
5915-00-681-7574A501 INTERCHANGEABLE
Filter,radio Frequency Interfere
Mtk Electronics Inc
5935-01-051-8162A501 INTERCHANGEABLE
Connector,receptacle,electrical
Curtis Instruments, Inc. Dba Curtis Pmc Division
5940-01-054-0824A-50-1 INTERCHANGEABLE
Terminal,stud
Saint-Gobain Performance Plastics
6625-01-120-7428 INTERCHANGEABLE
Collet
5950-01-186-00018425 INTERCHANGEABLE
Transformer,power
Berkshire Transformer
4810-01-551-5370A501 INTERCHANGEABLE
Valve,gate
Thermal Gas Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
A501 PRIMARY L'hotellier SAS (FRA)
A501 Kidde Graviner Ltd (GBR)
Related Parts
6625-00-323-0227INTERCHANGEABLE
TESTER
2920-00-405-4314INTERCHANGEABLE
GENERATOR,ENGINE ACCESSORY
5930-00-583-1652INTERCHANGEABLE
SWITCH,PUSH
9099262
5915-00-681-7574INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
A501
5935-01-051-8162INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
A501
5940-01-054-0824INTERCHANGEABLE
TERMINAL,STUD
A-50-1
6625-01-120-7428INTERCHANGEABLE
COLLET
5950-01-186-0001INTERCHANGEABLE
TRANSFORMER,POWER
8425
4810-01-551-5370INTERCHANGEABLE
VALVE,GATE
A501

Frequently Asked Questions

What is NSN 1680-00-452-4526?

NSN 1680-00-452-4526 is a Head Operating, manufactured by L'hotellier SAS, classified under FSC 1680 (No Item Name Available). Status: active.

What are the part numbers for NSN 1680-00-452-4526?

NSN 1680-00-452-4526 has 2 cross-referenced part numbers: A501 (L'hotellier SAS), A501 (Kidde Graviner Ltd).

What NSN replaces 1680-00-452-4526?

There are 9 known substitutes for 1680-00-452-4526: 6625-00-323-0227, 2920-00-405-4314, 5930-00-583-1652 and 6 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com