PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

103709Nut,plain,hexagon

Triumph Thermal Systems - Maryland, Inc. · NSN 5310-00-903-3719 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-903-3719 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-903-3719. Primary manufacturer part number: 103709.
Features
  • Nut,plain,hexagon — FSC 5310
  • Drilled Hole Diameter: 0.037 INCHES NOMINAL IN
  • Bearing Surface Type: WASHER FACED
  • Hole Configuration Style: CONFIGURATION A
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Size: 0.164 INCHES IN
  • Thread Quantity Per Inch: 32
  • Width Across Flats: 0.332 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-903-3719, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Triumph Thermal Systems - Maryland, Inc.. Government technical data includes 14 verified specifications, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-903-3719
Primary Part Number103709
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTriumph Thermal Systems - Maryland, Inc.
StatusACTIVE
Drilled Hole Diameter0.037 INCHES NOMINAL IN
Bearing Surface TypeWASHER FACED
Hole Configuration StyleCONFIGURATION A
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Size0.164 INCHES IN
Thread Quantity Per Inch32
Width Across Flats0.332 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
Nut StyleHEXAGON
Thread Class2B
Hole Type and Quantity1 DRILLED
MaterialSTEEL CORROSION RESISTING OVERALL
Surface TreatmentPASSIVATE OVERALL
Thread DirectionRIGHT-HAND
Nut Height0.117 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5315-00-010-3709 INTERCHANGEABLE
Pin,straight,headless
5950-00-462-1744 INTERCHANGEABLE
Transformer,pulse
Cross-Reference Index
Part NumberManufacturer
103709 PRIMARY Triumph Thermal Systems - Maryland, Inc. (USA)
Related Parts
5315-00-010-3709INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5950-00-462-1744INTERCHANGEABLE
TRANSFORMER,PULSE

Frequently Asked Questions

What is NSN 5310-00-903-3719?

NSN 5310-00-903-3719 is a Nut,plain,hexagon, manufactured by Triumph Thermal Systems - Maryland, Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-903-3719?

NSN 5310-00-903-3719 has 1 cross-referenced part number: 103709 (Triumph Thermal Systems - Maryland, Inc.).

What NSN replaces 5310-00-903-3719?

There are 2 known substitutes for 5310-00-903-3719: 5315-00-010-3709, 5950-00-462-1744. Verify interchangeability with system specifications before substitution.

What are the specifications of 103709?

Key specifications for 103709: Drilled Hole Diameter: 0.037 INCHES NOMINAL IN; Bearing Surface Type: WASHER FACED; Hole Configuration Style: CONFIGURATION A; Thread Series: UNIFIED NATIONAL COARSE (UNC). 14 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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