PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-39Button,spring Plug

Essex Industries, Inc. Dba Essex Industries · NSN 1680-00-304-5840 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-00-304-5840 — this item is cataloged by the U.S. Government under National Stock Number 1680-00-304-5840. Primary manufacturer part number: A-39.
Features
  • Button,spring Plug — FSC 1680
  • 2 verified cross-references
  • Primary manufacturer: Essex Industries, Inc. Dba Essex Industries
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Button,spring Plug, cataloged under National Stock Number 1680-00-304-5840, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Essex Industries, Inc. Dba Essex Industries. 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 NameButton,spring Plug
FSC / FSG1680 — No Item Name Available (FSG 16)
ManufacturersEssex Industries, Inc. Dba Essex Industries (CAGE 55469); Nimikkeistokeskus Ncb Finland (CAGE A486G)
Technical Specifications
ParameterValue
NSN1680-00-304-5840
Primary Part NumberA-39
Item NameButton,spring Plug
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerEssex Industries, Inc. Dba Essex Industries
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5360-00-005-5963A39CRCPQ INTERCHANGEABLE
Spring
Ashcroft Inc Dba Heise
5130-00-322-5908 INTERCHANGEABLE
Wheel,abrasive
8010-01-079-2845A-39 INTERCHANGEABLE
Epoxy Coating Kit
Armstrong Products Co Div of Polymer Industries Inc
5962-01-215-2076MA07-00002 INTERCHANGEABLE
Microcircuit,linear
Giga-Tronics Incorporated Dba Giga-Tronics
1005-01-225-8348 INTERCHANGEABLE
Spring Support,firing Pin
5962-01-232-7402440069-10 INTERCHANGEABLE
Microcircuit,linear
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
3030-01-247-414927093 INTERCHANGEABLE
Belt,v
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
5331-01-276-8437195033 INTERCHANGEABLE
O-Ring
Mueller Co
7690-01-287-2182A-39 INTERCHANGEABLE
Label
Shamrock Scientific Specialty Systems, Llc
Cross-Reference Index
Part NumberManufacturer
A-39 PRIMARY Essex Industries, Inc. Dba Essex Industries (USA)
10197368 Nimikkeistokeskus Ncb Finland (FIN)
Related Parts
5360-00-005-5963INTERCHANGEABLE
SPRING
A39CRCPQ
5130-00-322-5908INTERCHANGEABLE
WHEEL,ABRASIVE
8010-01-079-2845INTERCHANGEABLE
EPOXY COATING KIT
A-39
5962-01-215-2076INTERCHANGEABLE
MICROCIRCUIT,LINEAR
MA07-00002
1005-01-225-8348INTERCHANGEABLE
SPRING SUPPORT,FIRING PIN
5962-01-232-7402INTERCHANGEABLE
MICROCIRCUIT,LINEAR
440069-10
3030-01-247-4149INTERCHANGEABLE
BELT,V
27093
5331-01-276-8437INTERCHANGEABLE
O-RING
195033
7690-01-287-2182INTERCHANGEABLE
LABEL
A-39

Frequently Asked Questions

What is NSN 1680-00-304-5840?

NSN 1680-00-304-5840 is a Button,spring Plug, manufactured by Essex Industries, Inc. Dba Essex Industries, classified under FSC 1680 (No Item Name Available). Status: active.

What are the part numbers for NSN 1680-00-304-5840?

NSN 1680-00-304-5840 has 2 cross-referenced part numbers: A-39 (Essex Industries, Inc. Dba Essex Industries), 10197368 (Nimikkeistokeskus Ncb Finland).

What NSN replaces 1680-00-304-5840?

There are 9 known substitutes for 1680-00-304-5840: 5360-00-005-5963, 5130-00-322-5908, 8010-01-079-2845 and 6 more. Verify interchangeability with system specifications before substitution.

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