PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G-17402 PC 14Nut,plain,hexagon

Siemens Energy, Inc. · NSN 5310-00-199-3144 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-199-3144 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-199-3144. Primary manufacturer part number: G-17402 PC 14.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nominal Thread Size: 0.250 INCHES IN
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 20
  • Nondefinitive Spec/std Data: 3 TYPE AND A OR B STYLE
  • Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Nut Height: 0.219 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-199-3144, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Siemens Energy, Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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
NSN5310-00-199-3144
Primary Part NumberG-17402 PC 14
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSiemens Energy, Inc.
StatusACTIVE
Nominal Thread Size0.250 INCHES IN
Bearing Surface TypeCHAMFERED OR WASHER FACED
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch20
Nondefinitive Spec/std Data3 TYPE AND A OR B STYLE
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Nut Height0.219 INCHES NOMINAL IN
Surface TreatmentPASSIVATE OVERALL
Nut StyleHEXAGON
MaterialSTEEL COMP 303 OVERALL
Thread Class3B
Width Across Flats0.428 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-199-3145 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-199-3148 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-199-3152 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-199-3153 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-199-3154 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-199-3155 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-260-7789 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-260-7790 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-260-7794 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-260-7795 INTERCHANGEABLE
Nut,plain,hexagon
Cross-Reference Index
Part NumberManufacturer
G-17402 PC 14 Siemens Energy, Inc. (USA)
41UT4103-4PC60 United States Coast Guard Dba U.s.c.g. Sflc Div Surface Forces Logistics Center (sflc) (USA)
MIL-DTL-1222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-1222TYPE1SYLEA0RB Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILB857TYPE3STYLEA0RB Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5310-00-199-3145INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-199-3148INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-199-3152INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-199-3153INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-199-3154INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-199-3155INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-260-7789INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-260-7790INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-260-7794INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-260-7795INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-265-9585INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-265-9589INTERCHANGEABLE
NUT,PLAIN,HEXAGON

Frequently Asked Questions

What is NSN 5310-00-199-3144?

NSN 5310-00-199-3144 is a Nut,plain,hexagon, manufactured by Siemens Energy, Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-199-3144?

NSN 5310-00-199-3144 has 5 cross-referenced part numbers: G-17402 PC 14 (Siemens Energy, Inc.), 41UT4103-4PC60 (United States Coast Guard Dba U.s.c.g. Sflc Div Surface Forces Logistics Center (sflc)), MIL-DTL-1222 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-1222TYPE1SYLEA0RB (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILB857TYPE3STYLEA0RB (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5310-00-199-3144?

There are 12 known substitutes for 5310-00-199-3144: 5310-00-199-3145, 5310-00-199-3148, 5310-00-199-3152 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of G-17402 PC 14?

Key specifications for G-17402 PC 14: Nominal Thread Size: 0.250 INCHES IN; Bearing Surface Type: CHAMFERED OR WASHER FACED; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Quantity Per Inch: 20. 13 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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