PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3903Nut,plain,hexagon

Evans Tempcon Michigan, Llc · NSN 5310-00-860-0341 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-860-0341 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-860-0341. Primary manufacturer part number: 3903.
Features
  • Nut,plain,hexagon — FSC 5310
  • Width Across Flats: 0.875 INCHES NOMINAL IN
  • Thread Class: 2B
  • Nominal Thread Size: 0.625 INCHES IN
  • Thread Quantity Per Inch: 24
  • Thread Series: UNEF
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Material: STEEL OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-860-0341, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Evans Tempcon Michigan, Llc. Government technical data includes 11 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-860-0341
Primary Part Number3903
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerEvans Tempcon Michigan, Llc
StatusACTIVE
Width Across Flats0.875 INCHES NOMINAL IN
Thread Class2B
Nominal Thread Size0.625 INCHES IN
Thread Quantity Per Inch24
Thread SeriesUNEF
Bearing Surface TypeCHAMFERED OR WASHER FACED
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM OVERALL
Thread DirectionRIGHT-HAND
Nut Height0.218 INCHES NOMINAL IN
Nut StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5999-00-035-8704 INTERCHANGEABLE
Contact,electrical
5340-00-075-62573903 INTERCHANGEABLE
Clamp,loop
Abb Installation Products Inc
5945-00-168-785321490 INTERCHANGEABLE
Solenoid,electrical
Eaton Aerospace Llc
5330-00-314-56499902659 INTERCHANGEABLE
Gasket
General Electric Company
8010-00-506-1981 INTERCHANGEABLE
Paint,screen Process
5331-01-011-4057 INTERCHANGEABLE
O-Ring
5330-01-198-33673903 INTERCHANGEABLE
Gasket
Coffin Turbo Pump Inc
6210-01-714-38043903 INTERCHANGEABLE
Lamp,light Emitting Diode
Tru-Hitch, Inc.
Cross-Reference Index
Part NumberManufacturer
99026-59 Cummins Inc. (USA)
3903 PRIMARY Evans Tempcon Michigan, Llc (USA)
Related Parts
5999-00-035-8704INTERCHANGEABLE
CONTACT,ELECTRICAL
5340-00-075-6257INTERCHANGEABLE
CLAMP,LOOP
3903
5945-00-168-7853INTERCHANGEABLE
SOLENOID,ELECTRICAL
21490
5330-00-314-5649INTERCHANGEABLE
GASKET
9902659
8010-00-506-1981INTERCHANGEABLE
PAINT,SCREEN PROCESS
5331-01-011-4057INTERCHANGEABLE
O-RING
5330-01-198-3367INTERCHANGEABLE
GASKET
3903
6210-01-714-3804INTERCHANGEABLE
LAMP,LIGHT EMITTING DIODE
3903

Frequently Asked Questions

What is NSN 5310-00-860-0341?

NSN 5310-00-860-0341 is a Nut,plain,hexagon, manufactured by Evans Tempcon Michigan, Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-860-0341?

NSN 5310-00-860-0341 has 2 cross-referenced part numbers: 99026-59 (Cummins Inc.), 3903 (Evans Tempcon Michigan, Llc).

What NSN replaces 5310-00-860-0341?

There are 8 known substitutes for 5310-00-860-0341: 5999-00-035-8704, 5340-00-075-6257, 5945-00-168-7853 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3903?

Key specifications for 3903: Width Across Flats: 0.875 INCHES NOMINAL IN; Thread Class: 2B; Nominal Thread Size: 0.625 INCHES IN; Thread Quantity Per Inch: 24. 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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