PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37465Nut,plain,castellated,hexagon

Fastenal Company Dba Fastenal Co · NSN 5310-01-576-9838 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-576-9838 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-576-9838. Primary manufacturer part number: 37465.
Features
  • Nut,plain,castellated,hexagon — FSC 5310
  • Material: STEEL OVERALL
  • Surface Treatment: CADMIUM OVERALL
  • Thread Direction: RIGHT-HAND
  • Width Across Flats: 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 24
  • Nominal Thread Size: 0.375 INCHES IN
  • Thread Series: UNF
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,castellated,hexagon, cataloged under National Stock Number 5310-01-576-9838, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5310-01-576-9838
Primary Part Number37465
Item NameNut,plain,castellated,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusACTIVE
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM OVERALL
Thread DirectionRIGHT-HAND
Width Across Flats0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
Thread Quantity Per Inch24
Nominal Thread Size0.375 INCHES IN
Thread SeriesUNF
Thread Class2B
Nut StyleCASTELLATED, HEXAGON
Nut Height0.282 INCHES NOMINAL IN
Bearing Surface TypeFLAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5940-00-235-515537465 INTERCHANGEABLE
Cover,terminal
Prestolite Electric Inc
3455-00-516-504019841 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
4730-00-640-6156 INTERCHANGEABLE
Cap,quick Disconnect
6220-01-107-5584 INTERCHANGEABLE
Indicator,light
Cross-Reference Index
Part NumberManufacturer
37465 PRIMARY Fastenal Company Dba Fastenal Co (USA)
Related Parts
5940-00-235-5155INTERCHANGEABLE
COVER,TERMINAL
37465
3455-00-516-5040INTERCHANGEABLE
REAMER,MACHINE
19841
4730-00-640-6156INTERCHANGEABLE
CAP,QUICK DISCONNECT
6220-01-107-5584INTERCHANGEABLE
INDICATOR,LIGHT

Frequently Asked Questions

What is NSN 5310-01-576-9838?

NSN 5310-01-576-9838 is a Nut,plain,castellated,hexagon, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-576-9838?

NSN 5310-01-576-9838 has 1 cross-referenced part number: 37465 (Fastenal Company Dba Fastenal Co).

What NSN replaces 5310-01-576-9838?

There are 4 known substitutes for 5310-01-576-9838: 5940-00-235-5155, 3455-00-516-5040, 4730-00-640-6156 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 37465?

Key specifications for 37465: Material: STEEL OVERALL; Surface Treatment: CADMIUM OVERALL; Part Name Assigned by Controlling Agency: 3/8"-24 CADMIUM FLEX-TYPE JAM LOCK NUT STEEL; Thread Direction: RIGHT-HAND. 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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