PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T125Spring,flat

Unertl John Optical Co Inc · NSN 5360-01-399-5155 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-01-399-5155 — this item is cataloged by the U.S. Government under National Stock Number 5360-01-399-5155. Primary manufacturer part number: T125.
Features
  • Spring,flat — FSC 5360
  • 1 verified cross-reference
  • Primary manufacturer: Unertl John Optical Co Inc
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Spring,flat, cataloged under National Stock Number 5360-01-399-5155, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Unertl John Optical Co Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSpring,flat
FSC / FSG5360 — No Item Name Available (FSG 53)
ManufacturersUnertl John Optical Co Inc (CAGE 78908)
Technical Specifications
ParameterValue
NSN5360-01-399-5155
Primary Part NumberT125
Item NameSpring,flat
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerUnertl John Optical Co Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-100-4165 INTERCHANGEABLE
Bearing,roller,tapered
5920-00-228-4493T1-25 INTERCHANGEABLE
Fuse,plug
Cooper Bussmann, Llc Dba Cooper Industries
5975-00-245-1669 INTERCHANGEABLE
Conduit Outlet
3439-00-277-7556T125 INTERCHANGEABLE
Tip,electric Soldering Iron
Hexacon Electric Company
5180-00-508-2702T125 INTERCHANGEABLE
Tool Kit,riveter
Hi-Shear Corporation
5136-00-580-715854767 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
2920-00-609-0113XH4759 INTERCHANGEABLE
Lead Assy,electrica
Heale Manufacturing Co Llc
6685-01-360-4548T125 INTERCHANGEABLE
Temperature Indicating Compound
Stevens Instrument Company
6140-01-414-4588T-125 INTERCHANGEABLE
Battery,storage
Battery Service Corporation
4920-01-506-4264 INTERCHANGEABLE
Fixture,aircraft Maintenance
Cross-Reference Index
Part NumberManufacturer
T125 PRIMARY Unertl John Optical Co Inc (USA)
Related Parts
3110-00-100-4165INTERCHANGEABLE
BEARING,ROLLER,TAPERED
5920-00-228-4493INTERCHANGEABLE
FUSE,PLUG
T1-25
5975-00-245-1669INTERCHANGEABLE
CONDUIT OUTLET
3439-00-277-7556INTERCHANGEABLE
TIP,ELECTRIC SOLDERING IRON
T125
5180-00-508-2702INTERCHANGEABLE
TOOL KIT,RIVETER
T125
5136-00-580-7158INTERCHANGEABLE
TAP,THREAD CUTTING
54767
2920-00-609-0113INTERCHANGEABLE
LEAD ASSY,ELECTRICA
XH4759
6685-01-360-4548INTERCHANGEABLE
TEMPERATURE INDICATING COMPOUND
T125
6140-01-414-4588INTERCHANGEABLE
BATTERY,STORAGE
T-125
4920-01-506-4264INTERCHANGEABLE
FIXTURE,AIRCRAFT MAINTENANCE

Frequently Asked Questions

What is NSN 5360-01-399-5155?

NSN 5360-01-399-5155 is a Spring,flat, manufactured by Unertl John Optical Co Inc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-01-399-5155?

NSN 5360-01-399-5155 has 1 cross-referenced part number: T125 (Unertl John Optical Co Inc).

What NSN replaces 5360-01-399-5155?

There are 10 known substitutes for 5360-01-399-5155: 3110-00-100-4165, 5920-00-228-4493, 5975-00-245-1669 and 7 more. Verify interchangeability with system specifications before substitution.

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