PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31253Nut,plain,hexagon

Barnes Group Inc. Dba Barnes Distribution · NSN 5310-01-123-6378 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-123-6378 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-123-6378. Primary manufacturer part number: 31253.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Direction: RIGHT-HAND
  • Nut Style: HEXAGON
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Size: 0.138 INCHES IN
  • Thread Quantity Per Inch: 32
  • Bearing Surface Type: FLAT
  • Surface Treatment: ZINC OVERALL
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 5310-01-123-6378, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-123-6378
Primary Part Number31253
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBarnes Group Inc. Dba Barnes Distribution
StatusACTIVE
Thread DirectionRIGHT-HAND
Nut StyleHEXAGON
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Size0.138 INCHES IN
Thread Quantity Per Inch32
Bearing Surface TypeFLAT
Surface TreatmentZINC OVERALL
Thread Class2B
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-198-1889J3632CH INTERCHANGEABLE
Ring,bearing,outer
Federal-Mogul Corp Government Sales Dept
5950-00-240-047531253 INTERCHANGEABLE
Transformer,radio Frequency
Pax Mfg Corp Hammarlund Mfg Co Div
5935-00-572-91808338566 INTERCHANGEABLE
Shell,electrical Connector
U S Army Tank Automotive Command Amsta-Im-Mm
5330-01-113-13161X2098 INTERCHANGEABLE
Seal,plain Encased
Link-Belt Cranes, L.p., Lllp
5930-01-178-84517-872-000426 INTERCHANGEABLE
Switch,lever
Grove U.s. Llc Dba Grove Us Llc
5905-01-298-641931253 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
L & R Manufacturing Company
Cross-Reference Index
Part NumberManufacturer
31253 PRIMARY Barnes Group Inc. Dba Barnes Distribution (USA)
Related Parts
3110-00-198-1889INTERCHANGEABLE
RING,BEARING,OUTER
J3632CH
5950-00-240-0475INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
31253
5935-00-572-9180INTERCHANGEABLE
SHELL,ELECTRICAL CONNECTOR
8338566
5330-01-113-1316INTERCHANGEABLE
SEAL,PLAIN ENCASED
1X2098
5930-01-178-8451INTERCHANGEABLE
SWITCH,LEVER
7-872-000426
5905-01-298-6419INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
31253

Frequently Asked Questions

What is NSN 5310-01-123-6378?

NSN 5310-01-123-6378 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 5310-01-123-6378?

NSN 5310-01-123-6378 has 1 cross-referenced part number: 31253 (Barnes Group Inc. Dba Barnes Distribution).

What NSN replaces 5310-01-123-6378?

There are 6 known substitutes for 5310-01-123-6378: 3110-00-198-1889, 5950-00-240-0475, 5935-00-572-9180 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31253?

Key specifications for 31253: Thread Direction: RIGHT-HAND; Nut Style: HEXAGON; Thread Series: UNIFIED NATIONAL COARSE (UNC); Nominal Thread Size: 0.138 INCHES IN. 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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