PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2220-05Seat,helical Compression Spring

Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa · NSN 5340-01-291-7260 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-291-7260 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-291-7260. Primary manufacturer part number: 2220-05.
Features
  • Seat,helical Compression Spring — FSC 5340
  • 1 verified cross-reference
  • Primary manufacturer: Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-291-7260, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 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)
ManufacturersAtwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (CAGE 04537)
Technical Specifications
ParameterValue
NSN5340-01-291-7260
Primary Part Number2220-05
Item NameSeat,helical Compression Spring
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerAtwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 3
5910-00-828-57051373-0655 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Messer Llc
7050-01-434-3352222-05 INTERCHANGEABLE
Decoder,computer
L3harris Maritime Power & Energy Solutions, Inc
4720-01-497-1481222005-18C-120 INTERCHANGEABLE
Spring,reinforcing,hose
Danfoss Power Solutions II, Llc
Cross-Reference Index
Part NumberManufacturer
2220-05 PRIMARY Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA)
Related Parts
5910-00-828-5705INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
1373-0655
7050-01-434-3352INTERCHANGEABLE
DECODER,COMPUTER
222-05
4720-01-497-1481INTERCHANGEABLE
SPRING,REINFORCING,HOSE
222005-18C-120

Frequently Asked Questions

What is NSN 5340-01-291-7260?

NSN 5340-01-291-7260 is a Seat,helical Compression Spring, manufactured by Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-291-7260?

NSN 5340-01-291-7260 has 1 cross-referenced part number: 2220-05 (Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa).

What NSN replaces 5340-01-291-7260?

There are 3 known substitutes for 5340-01-291-7260: 5910-00-828-5705, 7050-01-434-3352, 4720-01-497-1481. Verify interchangeability with system specifications before substitution.

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