PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14725ANut,plain,castellated,hexagon

Brinkley Technology Group Llc Dba Hercules Manufacturing · NSN 5310-00-199-6475 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-199-6475 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-199-6475. Primary manufacturer part number: 14725A.
Features
  • Nut,plain,castellated,hexagon — FSC 5310
  • Hardness Rating: 28.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM
  • Bearing Surface Type: WASHER FACED
  • Thread Class: 3B
  • Thread Quantity Per Inch: 18
  • Width Across Flats: 0.937 INCHES NOMINAL IN
  • Nominal Thread Size: 0.625 INCHES IN
  • Thread Series: UNF
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 3140 Overall construction
General Description

The Nut,plain,castellated,hexagon, cataloged under National Stock Number 5310-00-199-6475, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 12 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-199-6475
Primary Part Number14725A
Item NameNut,plain,castellated,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBrinkley Technology Group Llc Dba Hercules Manufacturing
StatusACTIVE
Hardness Rating28.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM
Bearing Surface TypeWASHER FACED
Thread Class3B
Thread Quantity Per Inch18
Width Across Flats0.937 INCHES NOMINAL IN
Nominal Thread Size0.625 INCHES IN
Thread SeriesUNF
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 3140 OVERALL
Thread DirectionRIGHT-HAND
Nut StyleCASTELLATED, HEXAGON
Nut Height0.843 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5133-00-228-1407 INTERCHANGEABLE
Drill,twist
5930-01-038-264153236 INTERCHANGEABLE
Switch,sensitive
Alliance Laundry Systems Llc
5998-01-521-864053236 INTERCHANGEABLE
Circuit Card Assembly
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
2910-01-619-250453236 INTERCHANGEABLE
Nozzle,fuel Injection
Westerbeke Corporation
Cross-Reference Index
Part NumberManufacturer
14725A PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
14725A Hercules Engine Co Inc (USA)
53236 Celtrac Corp (USA)
Related Parts
5133-00-228-1407INTERCHANGEABLE
DRILL,TWIST
5930-01-038-2641INTERCHANGEABLE
SWITCH,SENSITIVE
53236
5998-01-521-8640INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
53236
2910-01-619-2504INTERCHANGEABLE
NOZZLE,FUEL INJECTION
53236

Frequently Asked Questions

What is NSN 5310-00-199-6475?

NSN 5310-00-199-6475 is a Nut,plain,castellated,hexagon, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-199-6475?

NSN 5310-00-199-6475 has 3 cross-referenced part numbers: 14725A (Brinkley Technology Group Llc Dba Hercules Manufacturing), 14725A (Hercules Engine Co Inc), 53236 (Celtrac Corp).

What NSN replaces 5310-00-199-6475?

There are 4 known substitutes for 5310-00-199-6475: 5133-00-228-1407, 5930-01-038-2641, 5998-01-521-8640 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 14725A?

Key specifications for 14725A: Hardness Rating: 28.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM; Bearing Surface Type: WASHER FACED; Thread Class: 3B; Thread Quantity Per Inch: 18. 12 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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