PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44187Nut,plain,hexagon

Barnes Group Inc. Dba Barnes Distribution · NSN 5310-01-481-0985 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-481-0985 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-481-0985. Primary manufacturer part number: 44187.
Features
  • Nut,plain,hexagon — FSC 5310
  • Material: STEEL PROPERTY CLASS 10.9 OVERALL
  • Thread Direction: RIGHT-HAND
  • Thread Series: M
  • Thread Pitch in Millimeters: 1.25
  • Nominal Thread Size: 8.0 MILLIMETERS MM
  • Nut Height: 6.50 INCHES NOMINAL IN
  • Width Across Flats: 13.00 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Property Class 10.9 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-481-0985, 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
NSN5310-01-481-0985
Primary Part Number44187
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBarnes Group Inc. Dba Barnes Distribution
StatusACTIVE
MaterialSTEEL PROPERTY CLASS 10.9 OVERALL
Thread DirectionRIGHT-HAND
Thread SeriesM
Thread Pitch in Millimeters1.25
Nominal Thread Size8.0 MILLIMETERS MM
Nut Height6.50 INCHES NOMINAL IN
Width Across Flats13.00 INCHES NOMINAL IN
Nut StyleHEXAGON
Surface TreatmentZINC OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5315-00-060-1239 INTERCHANGEABLE
Pin,grooved,headless
7510-00-223-68077510-00-223-6807 INTERCHANGEABLE
Clip,paper
Sourceamerica
5133-00-262-2165 INTERCHANGEABLE
Drill,twist
5330-00-857-940044187 INTERCHANGEABLE
Gasket
Komatsu America Corporation
1040-00-938-895654A50B336 INTERCHANGEABLE
Cap,center Section
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5950-01-091-9587S30490-1 INTERCHANGEABLE
Transformer,power
L3harris Technologies Integrated Systems L.p. Dba L3harris Technologies
Cross-Reference Index
Part NumberManufacturer
44187 PRIMARY Barnes Group Inc. Dba Barnes Distribution (USA)
Related Parts
5315-00-060-1239INTERCHANGEABLE
PIN,GROOVED,HEADLESS
7510-00-223-6807INTERCHANGEABLE
CLIP,PAPER
7510-00-223-6807
5133-00-262-2165INTERCHANGEABLE
DRILL,TWIST
5330-00-857-9400INTERCHANGEABLE
GASKET
44187
1040-00-938-8956INTERCHANGEABLE
CAP,CENTER SECTION
54A50B336
5950-01-091-9587INTERCHANGEABLE
TRANSFORMER,POWER
S30490-1

Frequently Asked Questions

What is NSN 5310-01-481-0985?

NSN 5310-01-481-0985 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 5310-01-481-0985?

NSN 5310-01-481-0985 has 1 cross-referenced part number: 44187 (Barnes Group Inc. Dba Barnes Distribution).

What NSN replaces 5310-01-481-0985?

There are 6 known substitutes for 5310-01-481-0985: 5315-00-060-1239, 7510-00-223-6807, 5133-00-262-2165 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 44187?

Key specifications for 44187: Material: STEEL PROPERTY CLASS 10.9 OVERALL; Thread Direction: RIGHT-HAND; End Item Identification: MRAP - UNIQUE NSN - USED ON 6 MRAP VARIANTS (A/C SYSTEM); MRAP BUFFALO MK2A2; Thread Series: M. 12 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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