PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILB857TYPE3STYLEA0RBNut,plain,hexagon

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5310-00-260-7794 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-260-7794 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-260-7794. Primary manufacturer part number: MILB857TYPE3STYLEA0RB.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Direction: RIGHT-HAND
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Thread Quantity Per Inch: 11
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Size: 0.625 INCHES IN
  • Nondefinitive Spec/std Data: 3 TYPE AND A STYLE AND B STYLE
  • Material Document and Classification: QQ-B-626,COMP 11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-260-7794, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 12 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-260-7794
Primary Part NumberMILB857TYPE3STYLEA0RB
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Thread DirectionRIGHT-HAND
Bearing Surface TypeCHAMFERED OR WASHER FACED
Thread Quantity Per Inch11
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Size0.625 INCHES IN
Nondefinitive Spec/std Data3 TYPE AND A STYLE AND B STYLE
Material Document and ClassificationQQ-B-626,COMP 11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialCOPPER ALLOY OVERALL
Nut Height0.535 INCHES MINIMUM AND 0.559 INCHES MAXIMUM IN
Width Across Flats0.922 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
Nut StyleHEXAGON
Thread Class2B
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-199-3144 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-199-3145 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-199-3148 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-199-3152 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-199-3153 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-199-3154 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-199-3155 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-260-7789 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-260-7790 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-260-7795 INTERCHANGEABLE
Nut,plain,hexagon
Cross-Reference Index
Part NumberManufacturer
MILB857TYPE3STYLEA0RB Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5310-00-199-3144INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-199-3145INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-199-3148INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-199-3152INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-199-3153INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-199-3154INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-199-3155INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-260-7789INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-260-7790INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-260-7795INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-265-9585INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-265-9589INTERCHANGEABLE
NUT,PLAIN,HEXAGON

Frequently Asked Questions

What is NSN 5310-00-260-7794?

NSN 5310-00-260-7794 is a Nut,plain,hexagon, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-260-7794?

NSN 5310-00-260-7794 has 1 cross-referenced part number: MILB857TYPE3STYLEA0RB (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5310-00-260-7794?

There are 12 known substitutes for 5310-00-260-7794: 5310-00-199-3144, 5310-00-199-3145, 5310-00-199-3148 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILB857TYPE3STYLEA0RB?

Key specifications for MILB857TYPE3STYLEA0RB: Thread Direction: RIGHT-HAND; Bearing Surface Type: CHAMFERED OR WASHER FACED; Thread Quantity Per Inch: 11; Thread Series: UNIFIED NATIONAL COARSE (UNC). 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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