PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44057Seat,helical Compression Spring

Bourns Inc · NSN 5340-01-342-1033 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-342-1033 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-342-1033. Primary manufacturer part number: 44057.
Features
  • Seat,helical Compression Spring — FSC 5340
  • 3 verified cross-references
  • Primary manufacturer: Bourns Inc
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-342-1033, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bourns Inc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 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)
ManufacturersBourns Inc (CAGE 32997); Cat Pumps Corp (CAGE 57783); Slce Watermakers (CAGE F9758)
Technical Specifications
ParameterValue
NSN5340-01-342-1033
Primary Part Number44057
Item NameSeat,helical Compression Spring
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerBourns Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 5
3455-00-307-95131726-0750 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
9540-00-517-0664 INTERCHANGEABLE
Angle,structural
5950-00-580-28345904712 INTERCHANGEABLE
Transformer,radio Frequency
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
4730-00-715-2016SY0850150M080SE INTERCHANGEABLE
Strainer Element,sediment
Hayward Industrial Products, Inc Dba Hayward Plastic Products Division Div Eaton Filtration, Llc
5950-00-753-8859S87790 INTERCHANGEABLE
Transformer,audio Frequency
Magnetika Inc Div Magnetika/phillipsburg Location
Cross-Reference Index
Part NumberManufacturer
44057 PRIMARY Bourns Inc (USA)
44057 Cat Pumps Corp (USA)
711033-166 Slce Watermakers (FRA)
Related Parts
3455-00-307-9513INTERCHANGEABLE
CUTTER,MILLING,END
1726-0750
9540-00-517-0664INTERCHANGEABLE
ANGLE,STRUCTURAL
5950-00-580-2834INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
5904712
4730-00-715-2016INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
SY0850150M080SE
5950-00-753-8859INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
S87790

Frequently Asked Questions

What is NSN 5340-01-342-1033?

NSN 5340-01-342-1033 is a Seat,helical Compression Spring, manufactured by Bourns Inc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-342-1033?

NSN 5340-01-342-1033 has 3 cross-referenced part numbers: 44057 (Bourns Inc), 44057 (Cat Pumps Corp), 711033-166 (Slce Watermakers).

What NSN replaces 5340-01-342-1033?

There are 5 known substitutes for 5340-01-342-1033: 3455-00-307-9513, 9540-00-517-0664, 5950-00-580-2834 and 2 more. Verify interchangeability with system specifications before substitution.

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