PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-40Spring,helical,compression

Essex Industries, Inc. Dba Essex Industries · NSN 5360-00-522-9529 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-522-9529 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-522-9529. Primary manufacturer part number: A-40.
Features
  • Spring,helical,compression — FSC 5360
  • Spring Free Length: 0.375 INCHES NOMINAL IN
  • Spring Length Under Load: 0.281 INCHES NOMINAL IN
  • Spring Free Outside Diameter: 0.310 INCHES NOMINAL IN
  • Coil Quantity: 5
  • Style Designator: CYLINDRICAL
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
  • End Style: SPRING END,SQUARED AND GROUND BOTH ENDS
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-522-9529, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Essex Industries, Inc. Dba Essex Industries. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-522-9529
Primary Part NumberA-40
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerEssex Industries, Inc. Dba Essex Industries
StatusACTIVE
Spring Free Length0.375 INCHES NOMINAL IN
Spring Length Under Load0.281 INCHES NOMINAL IN
Spring Free Outside Diameter0.310 INCHES NOMINAL IN
Coil Quantity5
Style DesignatorCYLINDRICAL
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Load Rating5.375 POUNDS NOMINAL LBS
MaterialSTEEL CORROSION RESISTING OVERALL
Inside Diameter0.232 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
8040-00-081-2166 INTERCHANGEABLE
Adhesive
3030-00-115-0013 INTERCHANGEABLE
Belt,v
3455-00-187-2633 INTERCHANGEABLE
Blade,hole Saw
3455-00-228-5218171621 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
8040-00-270-8136 INTERCHANGEABLE
Adhesive
9330-00-478-6164 INTERCHANGEABLE
Plastic Sheet
2240-00-505-4775 INTERCHANGEABLE
Wheel,railway
8040-00-691-1322 INTERCHANGEABLE
Adhesive
4730-01-214-0258169088-1 INTERCHANGEABLE
Plug,tube Fitting,threaded
Rtx Corporation Div Pratt & Whitney
5120-01-264-2388 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
10117924 Nimikkeistokeskus Ncb Finland (FIN)
A-40 PRIMARY Essex Industries, Inc. Dba Essex Industries (USA)
Related Parts
8040-00-081-2166INTERCHANGEABLE
ADHESIVE
3030-00-115-0013INTERCHANGEABLE
BELT,V
3455-00-187-2633INTERCHANGEABLE
BLADE,HOLE SAW
3455-00-228-5218INTERCHANGEABLE
CUTTER,MILLING,END
171621
8040-00-270-8136INTERCHANGEABLE
ADHESIVE
9330-00-478-6164INTERCHANGEABLE
PLASTIC SHEET
2240-00-505-4775INTERCHANGEABLE
WHEEL,RAILWAY
8040-00-691-1322INTERCHANGEABLE
ADHESIVE
4730-01-214-0258INTERCHANGEABLE
PLUG,TUBE FITTING,THREADED
169088-1
5120-01-264-2388INTERCHANGEABLE
SOCKET,SOCKET WRENCH
7690-01-366-0919INTERCHANGEABLE
LABEL
A-40
3120-01-437-8079INTERCHANGEABLE
BEARING,SLEEVE
A/40

Frequently Asked Questions

What is NSN 5360-00-522-9529?

NSN 5360-00-522-9529 is a Spring,helical,compression, manufactured by Essex Industries, Inc. Dba Essex Industries, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-522-9529?

NSN 5360-00-522-9529 has 2 cross-referenced part numbers: 10117924 (Nimikkeistokeskus Ncb Finland), A-40 (Essex Industries, Inc. Dba Essex Industries).

What NSN replaces 5360-00-522-9529?

There are 12 known substitutes for 5360-00-522-9529: 8040-00-081-2166, 3030-00-115-0013, 3455-00-187-2633 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-40?

Key specifications for A-40: Spring Free Length: 0.375 INCHES NOMINAL IN; Spring Length Under Load: 0.281 INCHES NOMINAL IN; Spring Free Outside Diameter: 0.310 INCHES NOMINAL IN; Coil Quantity: 5. 10 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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