PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40731Spring,helical,compression

Bae Systems Land & Armaments L.p. · NSN 5360-00-664-6081 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-664-6081 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-664-6081. Primary manufacturer part number: 40731.
Features
  • Spring,helical,compression — FSC 5360
  • Inside Diameter: 0.912 INCHES NOMINAL IN
  • Material: STEEL UNS K08500 OVERALL
  • Spring Free Length: 5.000 INCHES NOMINAL IN
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
  • Material Document and Classification: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Spring Free Outside Diameter: 1.168 INCHES MINIMUM AND 1.208 INCHES MAXIMUM IN
  • Style Designator: CYLINDRICAL
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Uns K08500 Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-664-6081, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bae Systems Land & Armaments L.p.. Government technical data includes 8 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-664-6081
Primary Part Number40731
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerBae Systems Land & Armaments L.p.
StatusACTIVE
Inside Diameter0.912 INCHES NOMINAL IN
MaterialSTEEL UNS K08500 OVERALL
Spring Free Length5.000 INCHES NOMINAL IN
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Material Document and ClassificationQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Spring Free Outside Diameter1.168 INCHES MINIMUM AND 1.208 INCHES MAXIMUM IN
Style DesignatorCYLINDRICAL
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5950-00-061-9128906-0100 INTERCHANGEABLE
Transformer,power
Vishay Sprague Inc
5342-00-073-44104073-1 INTERCHANGEABLE
Mount,resilient,weapon System
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
5930-00-449-6957 INTERCHANGEABLE
Switch,lock
5950-00-647-36069073000 INTERCHANGEABLE
Saturable Reactor
Us Army Aviation and Missile Command
6625-00-671-0653407-31 INTERCHANGEABLE
Mirror,assembly
Entron Industries Limited Partnership Dba Entron Industries Property Div
5360-01-119-476240731 INTERCHANGEABLE
Spring,helical,compression
Rogerson Aircraft Equipment Group
6105-01-126-7884B-40731 INTERCHANGEABLE
Armature,motor
Kollmorgen Corp
3020-01-316-0188P14-3-192-C INTERCHANGEABLE
Gear,antibacklash,spur
Roller Bearing Co of America, Inc Div Pic Design
5998-01-376-52484073-1 INTERCHANGEABLE
Holder,electrical Card
Trig-Tek, Incorporated
6150-01-698-910840-731 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Strategic Robotic Systems, Inc. Dba Strategic Robotic Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
228863PC17 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
40731 PRIMARY Bae Systems Land & Armaments L.p. (USA)
Related Parts
5950-00-061-9128INTERCHANGEABLE
TRANSFORMER,POWER
906-0100
5342-00-073-4410INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
4073-1
5930-00-449-6957INTERCHANGEABLE
SWITCH,LOCK
5950-00-647-3606INTERCHANGEABLE
SATURABLE REACTOR
9073000
6625-00-671-0653INTERCHANGEABLE
MIRROR,ASSEMBLY
407-31
5360-01-119-4762INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
40731
6105-01-126-7884INTERCHANGEABLE
ARMATURE,MOTOR
B-40731
3020-01-316-0188INTERCHANGEABLE
GEAR,ANTIBACKLASH,SPUR
P14-3-192-C
5998-01-376-5248INTERCHANGEABLE
HOLDER,ELECTRICAL CARD
4073-1
6150-01-698-9108INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
40-731

Frequently Asked Questions

What is NSN 5360-00-664-6081?

NSN 5360-00-664-6081 is a Spring,helical,compression, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-664-6081?

NSN 5360-00-664-6081 has 2 cross-referenced part numbers: 228863PC17 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 40731 (Bae Systems Land & Armaments L.p.).

What NSN replaces 5360-00-664-6081?

There are 10 known substitutes for 5360-00-664-6081: 5950-00-061-9128, 5342-00-073-4410, 5930-00-449-6957 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40731?

Key specifications for 40731: Inside Diameter: 0.912 INCHES NOMINAL IN; Material: STEEL UNS K08500 OVERALL; Spring Free Length: 5.000 INCHES NOMINAL IN; Coil Helix Direction: RIGHT-HAND OR LEFT-HAND. 8 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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