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 5310-00-199-3153 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-199-3153 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-199-3153. Primary manufacturer part number: MILB857TYPE3STYLEA0RB.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Class: 2B
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Nominal Thread Size: 0.750 INCHES IN
  • Thread Quantity Per Inch: 10
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Nut Height: 0.641 INCHES NOMINAL IN
  • Departure From Cited Document: AS MODIFIED BY MATERIAL RQMT
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 410 or Steel Comp 416 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-199-3153, 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 14 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
NSN5310-00-199-3153
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 Class2B
Bearing Surface TypeCHAMFERED OR WASHER FACED
Nominal Thread Size0.750 INCHES IN
Thread Quantity Per Inch10
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Nut Height0.641 INCHES NOMINAL IN
Departure From Cited DocumentAS MODIFIED BY MATERIAL RQMT
Nut StyleHEXAGON
Width Across Flats1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
Nondefinitive Spec/std Data3 TYPE AND A OR B STYLE
Surface TreatmentPASSIVATE OVERALL
MaterialSTEEL COMP 410 OR STEEL COMP 416 OVERALL
Material Document and ClassificationQQ-A-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
Thread DirectionRIGHT-HAND
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
5310-00-199-3154 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
5310-00-260-7794 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
5310-00-199-3154INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-199-3155INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-260-7789INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-260-7790INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-260-7794INTERCHANGEABLE
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 5310-00-199-3153?

NSN 5310-00-199-3153 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 5310-00-199-3153?

NSN 5310-00-199-3153 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 5310-00-199-3153?

There are 12 known substitutes for 5310-00-199-3153: 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 Class: 2B; Bearing Surface Type: CHAMFERED OR WASHER FACED; Nominal Thread Size: 0.750 INCHES IN; Thread Quantity Per Inch: 10. 14 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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