PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8412-16Spring,helical,torsion

Ambac International Corporation Div Ambac International · NSN 5360-00-316-4490 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-316-4490 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-316-4490. Primary manufacturer part number: 8412-16.
Features
  • Spring,helical,torsion — FSC 5360
  • Spring Free Outside Diameter: 0.495 INCHES NOMINAL IN
  • End Style: STRAIGHT OFFSET OVERALL
  • Inside Diameter: 0.393 INCHES NOMINAL IN
  • Material Document and Classification: MIL-W-6101 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL OVERALL
  • Coil Quantity: 7-1/2
  • End Angular Relationship: ENDS ANGLED ONE TO OTHER
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Spring,helical,torsion, cataloged under National Stock Number 5360-00-316-4490, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ambac International Corporation Div Ambac International. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-316-4490
Primary Part Number8412-16
Item NameSpring,helical,torsion
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerAmbac International Corporation Div Ambac International
StatusACTIVE
Spring Free Outside Diameter0.495 INCHES NOMINAL IN
End StyleSTRAIGHT OFFSET OVERALL
Inside Diameter0.393 INCHES NOMINAL IN
Material Document and ClassificationMIL-W-6101 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL OVERALL
Coil Quantity7-1/2
End Angular RelationshipENDS ANGLED ONE TO OTHER
Style DesignatorSINGLE TORSION LEFT HAND
Spring Free Length1.031 INCHES NOMINAL IN
Coil Helix DirectionRIGHT-HAND
End Length0.125 INCHES NOMINAL BOTH ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5815-00-409-2569 INTERCHANGEABLE
Perforator,teletypewriter
4810-01-394-179184126 INTERCHANGEABLE
Orifice,actuator
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
5995-01-678-447884126 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Aerovironment, Inc. Dba Aerovironment Inc
Cross-Reference Index
Part NumberManufacturer
206-372 Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp (USA)
B21373 Litton Systems Inc Itek Optical Systems Div (USA)
8412-16 PRIMARY Ambac International Corporation Div Ambac International (USA)
8412-6 Ambac International Corporation Div Ambac International (USA)
Related Parts
5815-00-409-2569INTERCHANGEABLE
PERFORATOR,TELETYPEWRITER
4810-01-394-1791INTERCHANGEABLE
ORIFICE,ACTUATOR
84126
5995-01-678-4478INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
84126

Frequently Asked Questions

What is NSN 5360-00-316-4490?

NSN 5360-00-316-4490 is a Spring,helical,torsion, manufactured by Ambac International Corporation Div Ambac International, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-316-4490?

NSN 5360-00-316-4490 has 4 cross-referenced part numbers: 206-372 (Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp), B21373 (Litton Systems Inc Itek Optical Systems Div), 8412-16 (Ambac International Corporation Div Ambac International), 8412-6 (Ambac International Corporation Div Ambac International).

What NSN replaces 5360-00-316-4490?

There are 3 known substitutes for 5360-00-316-4490: 5815-00-409-2569, 4810-01-394-1791, 5995-01-678-4478. Verify interchangeability with system specifications before substitution.

What are the specifications of 8412-16?

Key specifications for 8412-16: Spring Free Outside Diameter: 0.495 INCHES NOMINAL IN; End Style: STRAIGHT OFFSET OVERALL; Inside Diameter: 0.393 INCHES NOMINAL IN; Material Document and Classification: MIL-W-6101 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 11 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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