PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1B4205Nut,plain,hexagon

Caterpillar Inc Div Caterpillar Defense · NSN 5310-00-347-4123 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-347-4123 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-347-4123. Primary manufacturer part number: 1B4205.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Series: UNF
  • Nominal Thread Size: 0.500 INCHES IN
  • Thread Quantity Per Inch: 20
  • Bearing Surface Type: WASHER FACED
  • Thread Class: 3B
  • Nut Style: HEXAGON
  • Width Across Flats: 0.750 INCHES NOMINAL IN
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 5310-00-347-4123, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 10 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-347-4123
Primary Part Number1B4205
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Thread SeriesUNF
Nominal Thread Size0.500 INCHES IN
Thread Quantity Per Inch20
Bearing Surface TypeWASHER FACED
Thread Class3B
Nut StyleHEXAGON
Width Across Flats0.750 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Nut Height0.438 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5315-00-188-0198103612 INTERCHANGEABLE
Pin,tapered,plain
Chrysler Realty Company Llc Dba Daimler Chrysler
5310-00-448-2112103612 INTERCHANGEABLE
Nut,plain,hexagon
Telemechanics Inc
9540-00-503-6404 INTERCHANGEABLE
Beam,structural
2510-00-877-9969103612 INTERCHANGEABLE
Shackle,leaf Spring Assembly
Cadillac Gage Textron Inc.
7021-01-530-638410-3612 INTERCHANGEABLE
Computer,digital
L3 Technologies, Inc.
Cross-Reference Index
Part NumberManufacturer
103612 Garwood/feller Inc Garwood Winch Div (USA)
1B4205 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
5315-00-188-0198INTERCHANGEABLE
PIN,TAPERED,PLAIN
103612
5310-00-448-2112INTERCHANGEABLE
NUT,PLAIN,HEXAGON
103612
9540-00-503-6404INTERCHANGEABLE
BEAM,STRUCTURAL
2510-00-877-9969INTERCHANGEABLE
SHACKLE,LEAF SPRING ASSEMBLY
103612
7021-01-530-6384INTERCHANGEABLE
COMPUTER,DIGITAL
10-3612

Frequently Asked Questions

What is NSN 5310-00-347-4123?

NSN 5310-00-347-4123 is a Nut,plain,hexagon, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-347-4123?

NSN 5310-00-347-4123 has 2 cross-referenced part numbers: 103612 (Garwood/feller Inc Garwood Winch Div), 1B4205 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 5310-00-347-4123?

There are 5 known substitutes for 5310-00-347-4123: 5315-00-188-0198, 5310-00-448-2112, 9540-00-503-6404 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1B4205?

Key specifications for 1B4205: Thread Series: UNF; Nominal Thread Size: 0.500 INCHES IN; Thread Quantity Per Inch: 20; Bearing Surface Type: WASHER FACED. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-347-4123 still in active supply?

NSN 5310-00-347-4123 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com