PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31256Nut,plain,hexagon

Barnes Group Inc. Dba Barnes Distribution · NSN 5310-01-152-9907 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-152-9907 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-152-9907. Primary manufacturer part number: 31256.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Class: 2B
  • Nut Height: 0.152 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Width Across Flats: 0.431 INCHES NOMINAL IN
  • Nut Style: HEXAGON
  • Thread Quantity Per Inch: 28
  • Bearing Surface Type: CHAMFERED
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-152-9907, 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-152-9907
Primary Part Number31256
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBarnes Group Inc. Dba Barnes Distribution
StatusACTIVE
Thread Class2B
Nut Height0.152 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Width Across Flats0.431 INCHES NOMINAL IN
Nut StyleHEXAGON
Thread Quantity Per Inch28
Bearing Surface TypeCHAMFERED
Thread SeriesUNF
Nominal Thread Size0.216 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5360-00-012-0012053654 INTERCHANGEABLE
Spring Assembly,control
Grimes Aerospace Company
5940-00-156-713531256 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
5950-00-244-841931256 INTERCHANGEABLE
Transformer,radio Frequency
Pax Mfg Corp Hammarlund Mfg Co Div
3455-00-260-332219832 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5305-00-812-8407NAS1352-10LE32P INTERCHANGEABLE
Screw,cap,socket Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-143-171931256 INTERCHANGEABLE
Washer,lock
Prestolite Electric Inc
5310-01-197-51543125-6 INTERCHANGEABLE
Nut
Manitowoc Engineering Co Division of the Manitowoc Co Inc
5905-01-250-5794 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
5310-01-294-017231256 INTERCHANGEABLE
Nut,plain,round
Flowserve Inc
5305-01-591-663431256 INTERCHANGEABLE
Screw,cap,hexagon Head
Eagle Components, Inc
Cross-Reference Index
Part NumberManufacturer
31256 PRIMARY Barnes Group Inc. Dba Barnes Distribution (USA)
Related Parts
5360-00-012-0012INTERCHANGEABLE
SPRING ASSEMBLY,CONTROL
053654
5940-00-156-7135INTERCHANGEABLE
TERMINAL,LUG
31256
5950-00-244-8419INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
31256
3455-00-260-3322INTERCHANGEABLE
REAMER,MACHINE
19832
5305-00-812-8407INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
NAS1352-10LE32P
5310-01-143-1719INTERCHANGEABLE
WASHER,LOCK
31256
5310-01-197-5154INTERCHANGEABLE
NUT
3125-6
5905-01-250-5794INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
5310-01-294-0172INTERCHANGEABLE
NUT,PLAIN,ROUND
31256
5305-01-591-6634INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
31256

Frequently Asked Questions

What is NSN 5310-01-152-9907?

NSN 5310-01-152-9907 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 5310-01-152-9907?

NSN 5310-01-152-9907 has 1 cross-referenced part number: 31256 (Barnes Group Inc. Dba Barnes Distribution).

What NSN replaces 5310-01-152-9907?

There are 10 known substitutes for 5310-01-152-9907: 5360-00-012-0012, 5940-00-156-7135, 5950-00-244-8419 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31256?

Key specifications for 31256: Thread Class: 2B; Nut Height: 0.152 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; Width Across Flats: 0.431 INCHES NOMINAL 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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