PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

297030Seat,spring

L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West · NSN 5840-00-756-8667 · FSC 5840 · No Item Name Available
Verified by PartsTable
NSN 5840-00-756-8667 — this item is cataloged by the U.S. Government under National Stock Number 5840-00-756-8667. Primary manufacturer part number: 297030.
Features
  • Seat,spring — FSC 5840
  • 3 verified cross-references
  • Primary manufacturer: L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Seat,spring, cataloged under National Stock Number 5840-00-756-8667, is classified within Federal Supply Class 5840 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeat,spring
FSC / FSG5840 — No Item Name Available (FSG 58)
ManufacturersLockheed Martin Corporation Div Rms - Mitchel Field (CAGE 56232); L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West (CAGE 06401)
Technical Specifications
ParameterValue
NSN5840-00-756-8667
Primary Part Number297030
Item NameSeat,spring
FSC / FSG5840 / 58 — No Item Name Available
ManufacturerL3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5920-00-252-19780297030 INTERCHANGEABLE
Fuse,cartridge
Littelfuse, Inc.
1560-00-610-821629-7030 INTERCHANGEABLE
Link Assembly,hatch Handle
The Boeing Company Div Legacy Wichita
5325-01-285-8478297030 INTERCHANGEABLE
Grommet
Magic Chef Inc Div of Maytag Corp
5325-01-380-9044297030 INTERCHANGEABLE
Grommet
Eaton Aerospace, Llc Dba Jackson South
5920-01-652-2714 INTERCHANGEABLE
Fuse,enclosed Link
5330-01-709-2471297030 INTERCHANGEABLE
Seal,plain
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
7625265 CAGE 00000
297030 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
297030 PRIMARY L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West (USA)
Related Parts
5920-00-252-1978INTERCHANGEABLE
FUSE,CARTRIDGE
0297030
1560-00-610-8216INTERCHANGEABLE
LINK ASSEMBLY,HATCH HANDLE
29-7030
5325-01-285-8478INTERCHANGEABLE
GROMMET
297030
5325-01-380-9044INTERCHANGEABLE
GROMMET
297030
5920-01-652-2714INTERCHANGEABLE
FUSE,ENCLOSED LINK
5330-01-709-2471INTERCHANGEABLE
SEAL,PLAIN
297030

Frequently Asked Questions

What is NSN 5840-00-756-8667?

NSN 5840-00-756-8667 is a Seat,spring, manufactured by L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West, classified under FSC 5840 (No Item Name Available). Status: active.

What are the part numbers for NSN 5840-00-756-8667?

NSN 5840-00-756-8667 has 3 cross-referenced part numbers: 7625265, 297030 (Lockheed Martin Corporation Div Rms - Mitchel Field), 297030 (L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West).

What NSN replaces 5840-00-756-8667?

There are 6 known substitutes for 5840-00-756-8667: 5920-00-252-1978, 1560-00-610-8216, 5325-01-285-8478 and 3 more. Verify interchangeability with system specifications before substitution.

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