PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55741Spring,expander,sea

Kaydon Ring & Seal Inc Dba Skf Precision Technologies · NSN 2840-00-229-6679 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-00-229-6679 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-229-6679. Primary manufacturer part number: 55741.
Features
  • Spring,expander,sea — FSC 2840
  • 2 verified cross-references
  • Primary manufacturer: Kaydon Ring & Seal Inc Dba Skf Precision Technologies
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Spring,expander,sea, cataloged under National Stock Number 2840-00-229-6679, is classified within Federal Supply Class 2840 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Kaydon Ring & Seal Inc Dba Skf Precision Technologies. This item has 2 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 NameSpring,expander,sea
FSC / FSG2840 — No Item Name Available (FSG 28)
ManufacturersKaydon Ring & Seal Inc Dba Skf Precision Technologies (CAGE 75370); Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (CAGE 99193)
Technical Specifications
ParameterValue
NSN2840-00-229-6679
Primary Part Number55741
Item NameSpring,expander,sea
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerKaydon Ring & Seal Inc Dba Skf Precision Technologies
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5935-00-215-49595574-1 INTERCHANGEABLE
Adapter,connector
Microwave Devices Inc
5120-00-218-5944AC587-4 INTERCHANGEABLE
Wrench,sleeve
Alfa Laval Inc
4320-00-531-554555741 INTERCHANGEABLE
Piston,pump
Templeton Kenly and Co Inc
5815-00-567-4155SM-C-187707 INTERCHANGEABLE
Bar,selector,teletypewriter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5330-00-740-1351356005R1 INTERCHANGEABLE
Seal,valve Block
Dressta North America Ltd
7310-00-835-4897 INTERCHANGEABLE
Pan,steam Table
Cross-Reference Index
Part NumberManufacturer
55741 PRIMARY Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA)
1-300-488-01 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
Related Parts
5935-00-215-4959INTERCHANGEABLE
ADAPTER,CONNECTOR
5574-1
5120-00-218-5944INTERCHANGEABLE
WRENCH,SLEEVE
AC587-4
4320-00-531-5545INTERCHANGEABLE
PISTON,PUMP
55741
5815-00-567-4155INTERCHANGEABLE
BAR,SELECTOR,TELETYPEWRITER
SM-C-187707
5330-00-740-1351INTERCHANGEABLE
SEAL,VALVE BLOCK
356005R1
7310-00-835-4897INTERCHANGEABLE
PAN,STEAM TABLE

Frequently Asked Questions

What is NSN 2840-00-229-6679?

NSN 2840-00-229-6679 is a Spring,expander,sea, manufactured by Kaydon Ring & Seal Inc Dba Skf Precision Technologies, classified under FSC 2840 (No Item Name Available). Status: active.

What are the part numbers for NSN 2840-00-229-6679?

NSN 2840-00-229-6679 has 2 cross-referenced part numbers: 55741 (Kaydon Ring & Seal Inc Dba Skf Precision Technologies), 1-300-488-01 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix).

What NSN replaces 2840-00-229-6679?

There are 6 known substitutes for 2840-00-229-6679: 5935-00-215-4959, 5120-00-218-5944, 4320-00-531-5545 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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