PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

124333Nut,plain,hexagon

Cummins Inc. · NSN 5310-00-062-3978 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-062-3978 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-062-3978. Primary manufacturer part number: 124333.
Features
  • Nut,plain,hexagon — FSC 5310
  • Countersink Angle: 90.0 DEGREES NOMINAL NUT
  • Width Across Flats: 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
  • Thread Series: UNF
  • Material: STEEL OVERALL
  • Bearing Surface Type: WASHER FACED
  • Thread Direction: RIGHT-HAND
  • Nut Counterbore Depth: 0.010 INCHES MINIMUM AND 0.030 INCHES MAXIMUM NUT 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 5310-00-062-3978, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 13 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-062-3978
Primary Part Number124333
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCummins Inc.
StatusACTIVE
Countersink Angle90.0 DEGREES NOMINAL NUT
Width Across Flats0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Thread SeriesUNF
MaterialSTEEL OVERALL
Bearing Surface TypeWASHER FACED
Thread DirectionRIGHT-HAND
Nut Counterbore Depth0.010 INCHES MINIMUM AND 0.030 INCHES MAXIMUM NUT IN
Thread Quantity Per Inch20
Bearing Surface Finish125.0 MICROINCHES
Nominal Thread Size0.438 INCHES IN
Nut Height0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
Thread Class3B
Nut StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5136-00-729-569254727 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
5955-01-247-7177 INTERCHANGEABLE
Crystal Unit,quartz
5340-01-522-311012433-1 INTERCHANGEABLE
Trigger Assy
Huck International, Inc. Div Kingston Operations
Cross-Reference Index
Part NumberManufacturer
124333 PRIMARY Cummins Inc. (USA)
Related Parts
5136-00-729-5692INTERCHANGEABLE
TAP,THREAD CUTTING
54727
5955-01-247-7177INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5340-01-522-3110INTERCHANGEABLE
TRIGGER ASSY
12433-1

Frequently Asked Questions

What is NSN 5310-00-062-3978?

NSN 5310-00-062-3978 is a Nut,plain,hexagon, manufactured by Cummins Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-062-3978?

NSN 5310-00-062-3978 has 1 cross-referenced part number: 124333 (Cummins Inc.).

What NSN replaces 5310-00-062-3978?

There are 3 known substitutes for 5310-00-062-3978: 5136-00-729-5692, 5955-01-247-7177, 5340-01-522-3110. Verify interchangeability with system specifications before substitution.

What are the specifications of 124333?

Key specifications for 124333: Countersink Angle: 90.0 DEGREES NOMINAL NUT; Width Across Flats: 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Thread Series: UNF; Material: STEEL OVERALL. 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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