PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50-2L3Nut,plain,square

Trailmobile Inc Sub of the Pullman Co · NSN 5310-00-207-9413 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-207-9413 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-207-9413. Primary manufacturer part number: 50-2L3.
Features
  • Nut,plain,square — FSC 5310
  • Nut Style: SQUARE
  • Nominal Thread Size: 0.375 INCHES IN
  • Thread Quantity Per Inch: 16
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Bearing Surface Type: WASHER FACED
  • Material: STEEL OVERALL
  • Thread Class: 2B
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,square, cataloged under National Stock Number 5310-00-207-9413, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Trailmobile Inc Sub of the Pullman Co. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-207-9413
Primary Part Number50-2L3
Item NameNut,plain,square
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTrailmobile Inc Sub of the Pullman Co
StatusACTIVE
Nut StyleSQUARE
Nominal Thread Size0.375 INCHES IN
Thread Quantity Per Inch16
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Bearing Surface TypeWASHER FACED
MaterialSTEEL OVERALL
Thread Class2B
Nondefinitive Spec/std DataB-2 TYPE
Width Across Flats0.606 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Nut Height0.310 INCHES MINIMUM AND 0.346 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-021-6314M491 INTERCHANGEABLE
Switch
Cole Hersee Company
5306-00-141-292992775 INTERCHANGEABLE
Bolt,machine
Briggs and Stratton Corp
5306-00-141-2931 INTERCHANGEABLE
Bolt,machine
5306-00-206-4772 INTERCHANGEABLE
Bolt,machine
5306-00-206-477992766 INTERCHANGEABLE
Bolt,machine
Briggs and Stratton Corp
5306-00-206-4800 INTERCHANGEABLE
Bolt,machine
5306-00-206-6093 INTERCHANGEABLE
Bolt,machine
5306-00-297-8699122138 INTERCHANGEABLE
Bolt,machine
Chrysler Realty Company Llc Dba Daimler Chrysler
5306-00-297-8724 INTERCHANGEABLE
Bolt,machine
5306-00-297-8733 INTERCHANGEABLE
Bolt,machine
Cross-Reference Index
Part NumberManufacturer
50-2L3 PRIMARY Trailmobile Inc Sub of the Pullman Co (USA)
FFB571TYPEB2 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
M491 Universal Screw and Bolt Co (USA)
Related Parts
5930-00-021-6314INTERCHANGEABLE
SWITCH
M491
5306-00-141-2929INTERCHANGEABLE
BOLT,MACHINE
92775
5306-00-141-2931INTERCHANGEABLE
BOLT,MACHINE
5306-00-206-4772INTERCHANGEABLE
BOLT,MACHINE
5306-00-206-4779INTERCHANGEABLE
BOLT,MACHINE
92766
5306-00-206-4800INTERCHANGEABLE
BOLT,MACHINE
5306-00-206-6093INTERCHANGEABLE
BOLT,MACHINE
5306-00-297-8699INTERCHANGEABLE
BOLT,MACHINE
122138
5306-00-297-8724INTERCHANGEABLE
BOLT,MACHINE
5306-00-297-8733INTERCHANGEABLE
BOLT,MACHINE
5120-00-494-1911INTERCHANGEABLE
WRENCH,PLIER
10WR
5306-00-514-9260INTERCHANGEABLE
BOLT,MACHINE

Frequently Asked Questions

What is NSN 5310-00-207-9413?

NSN 5310-00-207-9413 is a Nut,plain,square, manufactured by Trailmobile Inc Sub of the Pullman Co, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-207-9413?

NSN 5310-00-207-9413 has 3 cross-referenced part numbers: 50-2L3 (Trailmobile Inc Sub of the Pullman Co), FFB571TYPEB2 (Federal Specifications Promulgated by General Services Administration Washington DC), M491 (Universal Screw and Bolt Co).

What NSN replaces 5310-00-207-9413?

There are 12 known substitutes for 5310-00-207-9413: 5930-00-021-6314, 5306-00-141-2929, 5306-00-141-2931 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50-2L3?

Key specifications for 50-2L3: Nut Style: SQUARE; Nominal Thread Size: 0.375 INCHES IN; Thread Quantity Per Inch: 16; Thread Series: UNIFIED NATIONAL COARSE (UNC). 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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