PartsTable TECHNICAL DATA SHEET
OCTOBER 2026Technical Data Sheet

B-3354-018Spring,helical,compression

Cooper Machinery Services Llc · NSN 5360-00-362-9437 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-362-9437 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-362-9437. Primary manufacturer part number: B-3354-018.
Features
  • Spring,helical,compression — FSC 5360
  • Spring Free Outside Diameter: 0.507 INCHES NOMINAL IN
  • Spring Solid Length: 1.023 INCHES NOMINAL IN
  • Material: STEEL COMP 1090 OVERALL
  • End Style: SPRING END,SQUARED AND GROUND BOTH ENDS
  • Coil Quantity: 16
  • Spring Deflection Rate: 22.700 POUNDS PER INCH NOMINAL LBS
  • Spring Free Length: 0.015 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 1090 Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-362-9437, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cooper Machinery Services Llc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System. This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the government interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-362-9437
Primary Part NumberB-3354-018
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerCooper Machinery Services Llc
StatusACTIVE
Spring Free Outside Diameter0.507 INCHES NOMINAL IN
Spring Solid Length1.023 INCHES NOMINAL IN
MaterialSTEEL COMP 1090 OVERALL
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Coil Quantity16
Spring Deflection Rate22.700 POUNDS PER INCH NOMINAL LBS
Spring Free Length0.015 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
Spring Solid Outside Diameter0.507 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
Material Document and ClassificationAMS 5112 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Inside Diameter0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
Load Rating5.750 POUNDS MINIMUM AND 6.4375 POUNDS MAXIMUM LBS
Coil Helix DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
⇄ Verified Substitutes 2
8540-00-140-7318P/N WTXWH : CROSS COUNTRY INTERCHANGEABLE
Towel,paper
Crosstex International, Inc.
5950-00-976-0278PA7046 INTERCHANGEABLE
Reactor
Magnetika Inc
Cross-Reference Index
Part NumberManufacturer
10-18721 Amphenol Corp Div Amphenol Aerospace Operations (USA)
B-3354-018 PRIMARY Cooper Machinery Services Llc (USA)
10-18721 Haynes Corporation (USA)
B-3354-008 Cooper Machinery Services Llc (USA)
10-18721 Unison Industries Llc (USA)
Related Parts
8540-00-140-7318INTERCHANGEABLE
TOWEL,PAPER
P/N WTXWH : CROSS COUNTRY
5950-00-976-0278INTERCHANGEABLE
REACTOR
PA7046

Frequently Asked Questions

What is NSN 5360-00-362-9437?

NSN 5360-00-362-9437 is a Spring,helical,compression, manufactured by Cooper Machinery Services Llc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-362-9437?

NSN 5360-00-362-9437 has 5 cross-referenced part numbers: 10-18721 (Amphenol Corp Div Amphenol Aerospace Operations), B-3354-018 (Cooper Machinery Services Llc), 10-18721 (Haynes Corporation), B-3354-008 (Cooper Machinery Services Llc), 10-18721 (Unison Industries Llc).

What NSN replaces 5360-00-362-9437?

There are 2 known substitutes for 5360-00-362-9437: 8540-00-140-7318, 5950-00-976-0278. Verify interchangeability with system specifications before substitution.

What are the specifications of B-3354-018?

Key specifications for B-3354-018: Spring Free Outside Diameter: 0.507 INCHES NOMINAL IN; Spring Solid Length: 1.023 INCHES NOMINAL IN; Material: STEEL COMP 1090 OVERALL; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS. 13 total characteristics are documented in the Federal Logistics Information System.

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