PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B18.6.3Nut,plain,hexagon

American National Standards Institute Incorporated Dba American National Standards Institute · NSN 5310-00-550-1470 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-550-1470 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-550-1470. Primary manufacturer part number: B18.6.3.
Features
  • Nut,plain,hexagon — FSC 5310
  • Surface Treatment Document and Classification: QQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material: STEEL OVERALL
  • Thread Direction: RIGHT-HAND
  • Hardness Rating: 69.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM
  • Thread Quantity Per Inch: 24
  • Thread Series: UNF
  • Nominal Thread Size: 0.312 INCHES 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 5310-00-550-1470, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is American National Standards Institute Incorporated Dba American National Standards Institute. Government technical data includes 13 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-550-1470
Primary Part NumberB18.6.3
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAmerican National Standards Institute Incorporated Dba American National Standards Institute
StatusACTIVE
Surface Treatment Document and ClassificationQQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL OVERALL
Thread DirectionRIGHT-HAND
Hardness Rating69.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM
Thread Quantity Per Inch24
Thread SeriesUNF
Nominal Thread Size0.312 INCHES IN
Bearing Surface TypeFLAT
Width Across Flats0.562 INCHES NOMINAL IN
Thread Class2B
Nut StyleHEXAGON
Nut Height0.218 INCHES NOMINAL IN
Surface TreatmentZINC OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-189-8544NC200PC54 INTERCHANGEABLE
Nut,plain,hexagon
Dresser Industries Inc Leroi Div
5310-00-550-1598 INTERCHANGEABLE
Nut,plain,hexagon
Cross-Reference Index
Part NumberManufacturer
B18.6.3 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
FF-N-836 TY2ST13 General Services Administration Federal Supply Service (USA)
FF-N-836 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5310-00-189-8544INTERCHANGEABLE
NUT,PLAIN,HEXAGON
NC200PC54
5310-00-550-1598INTERCHANGEABLE
NUT,PLAIN,HEXAGON

Frequently Asked Questions

What is NSN 5310-00-550-1470?

NSN 5310-00-550-1470 is a Nut,plain,hexagon, manufactured by American National Standards Institute Incorporated Dba American National Standards Institute, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-550-1470?

NSN 5310-00-550-1470 has 3 cross-referenced part numbers: B18.6.3 (American National Standards Institute Incorporated Dba American National Standards Institute), FF-N-836 TY2ST13 (General Services Administration Federal Supply Service), FF-N-836 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5310-00-550-1470?

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

What are the specifications of B18.6.3?

Key specifications for B18.6.3: Surface Treatment Document and Classification: QQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material: STEEL OVERALL; Thread Direction: RIGHT-HAND; Hardness Rating: 69.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM. 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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