PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31248Nut,plain,hexagon

Barnes Group Inc. Dba Barnes Distribution · NSN 5310-01-152-7203 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-152-7203 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-152-7203. Primary manufacturer part number: 31248.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Class: 2B
  • Nominal Thread Size: 0.250 INCHES IN
  • Thread Quantity Per Inch: 20
  • Bearing Surface Type: CHAMFERED
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Width Across Flats: 0.431 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-152-7203, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Barnes Group Inc. Dba Barnes Distribution. Government technical data includes 9 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
NSN5310-01-152-7203
Primary Part Number31248
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBarnes Group Inc. Dba Barnes Distribution
StatusACTIVE
Thread Class2B
Nominal Thread Size0.250 INCHES IN
Thread Quantity Per Inch20
Bearing Surface TypeCHAMFERED
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Width Across Flats0.431 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Nut StyleHEXAGON
Nut Height0.181 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-00-217-249831248 INTERCHANGEABLE
Transformer,radio Frequency
Pax Mfg Corp Hammarlund Mfg Co Div
5315-00-482-16177690141600 INTERCHANGEABLE
Pin,straight,headed
Grove U.s. Llc Dba Grove Us Llc
6515-01-568-4717312.48 INTERCHANGEABLE
Insert,drill Sleeve,screw Fixati
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
31248 PRIMARY Barnes Group Inc. Dba Barnes Distribution (USA)
Related Parts
5950-00-217-2498INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
31248
5315-00-482-1617INTERCHANGEABLE
PIN,STRAIGHT,HEADED
7690141600
6515-01-568-4717INTERCHANGEABLE
INSERT,DRILL SLEEVE,SCREW FIXATI
312.48

Frequently Asked Questions

What is NSN 5310-01-152-7203?

NSN 5310-01-152-7203 is a Nut,plain,hexagon, manufactured by Barnes Group Inc. Dba Barnes Distribution, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-152-7203?

NSN 5310-01-152-7203 has 1 cross-referenced part number: 31248 (Barnes Group Inc. Dba Barnes Distribution).

What NSN replaces 5310-01-152-7203?

There are 3 known substitutes for 5310-01-152-7203: 5950-00-217-2498, 5315-00-482-1617, 6515-01-568-4717. Verify interchangeability with system specifications before substitution.

What are the specifications of 31248?

Key specifications for 31248: Thread Class: 2B; Nominal Thread Size: 0.250 INCHES IN; Thread Quantity Per Inch: 20; Bearing Surface Type: CHAMFERED. 9 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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