PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T109Pin,spring

Unertl John Optical Co Inc · NSN 5315-01-459-8569 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-01-459-8569 — this item is cataloged by the U.S. Government under National Stock Number 5315-01-459-8569. Primary manufacturer part number: T109.
Features
  • Pin,spring — FSC 5315
  • Diameter: 0.094 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Unertl John Optical Co Inc
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Pin,spring, cataloged under National Stock Number 5315-01-459-8569, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Unertl John Optical Co Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5315-01-459-8569
Primary Part NumberT109
Item NamePin,spring
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerUnertl John Optical Co Inc
StatusACTIVE
Diameter0.094 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5306-00-215-3957 INTERCHANGEABLE
Bolt,machine
4710-00-277-6104WWT700/6-T6-II-1.750X1.250X0.065 INTERCHANGEABLE
Tube,metallic
Sae International Dba Sae International
5865-00-475-3527T109 INTERCHANGEABLE
Reset Generator
Transico, Inc. Dba Eeco Switch
5136-00-580-718454738 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
3439-00-930-80232593-1919A INTERCHANGEABLE
Heat Sink,soldering Aid
Automated Production Equipment Corp.
5950-00-988-4273T109 INTERCHANGEABLE
Transformer,power
North Atlantic Industries, Inc. Dba North Atlantic Industries
5950-00-993-6020 INTERCHANGEABLE
Transformer,power
1055-01-106-2501T10-9 INTERCHANGEABLE
Coupling
Roller Bearing Co of America, Inc Div Pic Design
Cross-Reference Index
Part NumberManufacturer
T109 PRIMARY Unertl John Optical Co Inc (USA)
Related Parts
5306-00-215-3957INTERCHANGEABLE
BOLT,MACHINE
4710-00-277-6104INTERCHANGEABLE
TUBE,METALLIC
WWT700/6-T6-II-1.750X1.250X0.065
5865-00-475-3527INTERCHANGEABLE
RESET GENERATOR
T109
5136-00-580-7184INTERCHANGEABLE
TAP,THREAD CUTTING
54738
3439-00-930-8023INTERCHANGEABLE
HEAT SINK,SOLDERING AID
2593-1919A
5950-00-988-4273INTERCHANGEABLE
TRANSFORMER,POWER
T109
5950-00-993-6020INTERCHANGEABLE
TRANSFORMER,POWER
1055-01-106-2501INTERCHANGEABLE
COUPLING
T10-9

Frequently Asked Questions

What is NSN 5315-01-459-8569?

NSN 5315-01-459-8569 is a Pin,spring, manufactured by Unertl John Optical Co Inc, classified under FSC 5315 (No Item Name Available). Status: active.

What are the part numbers for NSN 5315-01-459-8569?

NSN 5315-01-459-8569 has 1 cross-referenced part number: T109 (Unertl John Optical Co Inc).

What NSN replaces 5315-01-459-8569?

There are 8 known substitutes for 5315-01-459-8569: 5306-00-215-3957, 4710-00-277-6104, 5865-00-475-3527 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T109?

Key specifications for T109: Overall Length: 0.375 INCHES NOMINAL IN; End Item Identification: SNIPER SCOPE, MODEL C3; Diameter: 0.094 INCHES NOMINAL IN. 3 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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