PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20379Seat,helical Compression Spring

Mid-America Aerotech, Llc · NSN 5340-00-083-4097 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-083-4097 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-083-4097. Primary manufacturer part number: 20379.
Features
  • Seat,helical Compression Spring — FSC 5340
  • 4 verified cross-references
  • Primary manufacturer: Mid-America Aerotech, Llc
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-083-4097, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mid-America Aerotech, Llc. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameSeat,helical Compression Spring
FSC / FSG5340 — No Item Name Available (FSG 53)
ManufacturersMoog Inc Div Moog Inc., Space and Defense - Salt Lake City (CAGE 19156); Mid-America Aerotech, Llc (CAGE 0UES3); E-Systems Inc Montek Div Fluid Controls Opns (CAGE 79294); Moog Inc (CAGE 94697)
Technical Specifications
ParameterValue
NSN5340-00-083-4097
Primary Part Number20379
Item NameSeat,helical Compression Spring
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerMid-America Aerotech, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 7
4110-00-141-1481439113A INTERCHANGEABLE
Freezer,prefabricated
Gloekler Refrigerator Co
5330-00-423-069420-379 INTERCHANGEABLE
Packing,preformed
Dresser Industries Inc Leroi Div
5940-00-471-3361 INTERCHANGEABLE
Terminal,lug
5360-01-108-992920379 INTERCHANGEABLE
Spring
Abd Intl Inc Dba Abdick
5962-01-232-1399 INTERCHANGEABLE
Microcircuit,digital-Linear
4940-01-264-563610399 INTERCHANGEABLE
Column,inner
L & R Manufacturing Company
5930-01-265-022470212 INTERCHANGEABLE
Switch,sensitive
Mark Industries
Cross-Reference Index
Part NumberManufacturer
20379 Moog Inc Div Moog Inc., Space and Defense - Salt Lake City (USA)
20379 PRIMARY Mid-America Aerotech, Llc (USA)
20379 E-Systems Inc Montek Div Fluid Controls Opns (USA)
20379 Moog Inc (USA)
Related Parts
4110-00-141-1481INTERCHANGEABLE
FREEZER,PREFABRICATED
439113A
5330-00-423-0694INTERCHANGEABLE
PACKING,PREFORMED
20-379
5940-00-471-3361INTERCHANGEABLE
TERMINAL,LUG
5360-01-108-9929INTERCHANGEABLE
SPRING
20379
5962-01-232-1399INTERCHANGEABLE
MICROCIRCUIT,DIGITAL-LINEAR
4940-01-264-5636INTERCHANGEABLE
COLUMN,INNER
10399
5930-01-265-0224INTERCHANGEABLE
SWITCH,SENSITIVE
70212

Frequently Asked Questions

What is NSN 5340-00-083-4097?

NSN 5340-00-083-4097 is a Seat,helical Compression Spring, manufactured by Mid-America Aerotech, Llc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-083-4097?

NSN 5340-00-083-4097 has 4 cross-referenced part numbers: 20379 (Moog Inc Div Moog Inc., Space and Defense - Salt Lake City), 20379 (Mid-America Aerotech, Llc), 20379 (E-Systems Inc Montek Div Fluid Controls Opns), 20379 (Moog Inc).

What NSN replaces 5340-00-083-4097?

There are 7 known substitutes for 5340-00-083-4097: 4110-00-141-1481, 5330-00-423-0694, 5940-00-471-3361 and 4 more. Verify interchangeability with system specifications before substitution.

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