PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NC300-54Nut,plain,hexagon

Dresser Industries Inc Leroi Div · NSN 5310-00-189-8544 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-189-8544 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-189-8544. Primary manufacturer part number: NC300-54.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Class: 3B
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Thread Quantity Per Inch: 32
  • Nominal Thread Size: 0.164 INCHES IN
  • Departure From Cited Document: AS MODIFIED BY THD CLASS RQMT
  • Nut Style: HEXAGON
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy 482 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-189-8544, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-189-8544
Primary Part NumberNC300-54
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerDresser Industries Inc Leroi Div
StatusACTIVE
Thread Class3B
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Bearing Surface TypeCHAMFERED OR WASHER FACED
Thread Quantity Per Inch32
Nominal Thread Size0.164 INCHES IN
Departure From Cited DocumentAS MODIFIED BY THD CLASS RQMT
Nut StyleHEXAGON
MaterialCOPPER ALLOY 482 OVERALL
Material Document and ClassificationQQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Nut Height0.125 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Width Across Flats0.332 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
Nondefinitive Spec/std DataA TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-550-1470 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-550-1598 INTERCHANGEABLE
Nut,plain,hexagon
Cross-Reference Index
Part NumberManufacturer
NC300-54 PRIMARY Dresser Industries Inc Leroi Div (USA)
NC200PC54 PRIMARY Dresser Industries Inc Leroi Div (USA)
FF-N-836 TY2ST13 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MILS933TYPEA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5310-00-550-1470INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-550-1598INTERCHANGEABLE
NUT,PLAIN,HEXAGON

Frequently Asked Questions

What is NSN 5310-00-189-8544?

NSN 5310-00-189-8544 is a Nut,plain,hexagon, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-189-8544?

NSN 5310-00-189-8544 has 4 cross-referenced part numbers: NC300-54 (Dresser Industries Inc Leroi Div), NC200PC54 (Dresser Industries Inc Leroi Div), FF-N-836 TY2ST13 (Federal Specifications Promulgated by General Services Administration Washington DC), MILS933TYPEA (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5310-00-189-8544?

There are 2 known substitutes for 5310-00-189-8544: 5310-00-550-1470, 5310-00-550-1598. Verify interchangeability with system specifications before substitution.

What are the specifications of NC300-54?

Key specifications for NC300-54: Thread Class: 3B; Thread Series: UNIFIED NATIONAL COARSE (UNC); Bearing Surface Type: CHAMFERED OR WASHER FACED; Thread Quantity Per Inch: 32. 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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