PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9643Alarm,audible,landing Gear

The Boeing Company Dba Boeing Commercial Airplane Group · NSN 6340-01-661-3680 · FSC 6340 · No Item Name Available
Verified by PartsTable
NSN 6340-01-661-3680 — this item is cataloged by the U.S. Government under National Stock Number 6340-01-661-3680. Primary manufacturer part number: 9643.
Features
  • Alarm,audible,landing Gear — FSC 6340
  • 3 verified cross-references
  • Primary manufacturer: The Boeing Company Dba Boeing Commercial Airplane Group
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Alarm,audible,landing Gear, cataloged under National Stock Number 6340-01-661-3680, is classified within Federal Supply Class 6340 (No Item Name Available) of the Alarm, Signal, and Security Detection Systems group. The primary manufacturer of record is The Boeing Company Dba Boeing Commercial Airplane Group. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameAlarm,audible,landing Gear
FSC / FSG6340 — No Item Name Available (FSG 63)
ManufacturersThe Boeing Company Dba Boeing Commercial Airplane Group (CAGE 0AR33); Air Carrier Technologies, Llc (CAGE 5Y3Q5); Faraday Llc (CAGE 80252)
Technical Specifications
ParameterValue
NSN6340-01-661-3680
Primary Part Number9643
Item NameAlarm,audible,landing Gear
FSC / FSG6340 / 63 — No Item Name Available
ManufacturerThe Boeing Company Dba Boeing Commercial Airplane Group
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3460-00-181-7050 INTERCHANGEABLE
Collet,machine
5340-00-216-5901 INTERCHANGEABLE
Fastener,cylinder,spring Loaded
6210-00-275-1860 INTERCHANGEABLE
Fixture,lighting
5995-01-147-1000590012 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Belden, Inc.
5950-01-190-0019 INTERCHANGEABLE
Transformer,power
4820-01-360-02839643 INTERCHANGEABLE
Parts Kit,valve
DP Manufacturing Inc.
8135-01-524-60829643 INTERCHANGEABLE
Wire Tie Del City
Heil Trailer International Llc
5331-01-703-39829643 INTERCHANGEABLE
O-Ring
Italwatt S.r.l.
Cross-Reference Index
Part NumberManufacturer
9643 The Boeing Company Dba Boeing Commercial Airplane Group (USA)
9643 Air Carrier Technologies, Llc (USA)
9643 Faraday Llc (USA)
Related Parts
3460-00-181-7050INTERCHANGEABLE
COLLET,MACHINE
5340-00-216-5901INTERCHANGEABLE
FASTENER,CYLINDER,SPRING LOADED
6210-00-275-1860INTERCHANGEABLE
FIXTURE,LIGHTING
5995-01-147-1000INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
590012
5950-01-190-0019INTERCHANGEABLE
TRANSFORMER,POWER
4820-01-360-0283INTERCHANGEABLE
PARTS KIT,VALVE
9643
8135-01-524-6082INTERCHANGEABLE
WIRE TIE DEL CITY
9643
5331-01-703-3982INTERCHANGEABLE
O-RING
9643

Frequently Asked Questions

What is NSN 6340-01-661-3680?

NSN 6340-01-661-3680 is a Alarm,audible,landing Gear, manufactured by The Boeing Company Dba Boeing Commercial Airplane Group, classified under FSC 6340 (No Item Name Available). Status: active.

What are the part numbers for NSN 6340-01-661-3680?

NSN 6340-01-661-3680 has 3 cross-referenced part numbers: 9643 (The Boeing Company Dba Boeing Commercial Airplane Group), 9643 (Air Carrier Technologies, Llc), 9643 (Faraday Llc).

What NSN replaces 6340-01-661-3680?

There are 8 known substitutes for 6340-01-661-3680: 3460-00-181-7050, 5340-00-216-5901, 6210-00-275-1860 and 5 more. Verify interchangeability with system specifications before substitution.

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