PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M32258-UAC12Nut,self-Locking,hexagon

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5310-01-608-8535 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-608-8535 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-608-8535. Primary manufacturer part number: M32258-UAC12.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Hardness Rating: 80.0 ROCKWELL C MINIMUM
  • Nut Height: 0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 10
  • Nut Style: HEXAGON
  • Thread Series: UNIFIED NATIONAL JOINT (UNJ)
  • Nominal Thread Size: 0.750 INCHES IN
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Nickel Alloy Overall Except Insert construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-608-8535, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-608-8535
Primary Part NumberM32258-UAC12
Item NameNut,self-Locking,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
Hardness Rating80.0 ROCKWELL C MINIMUM
Nut Height0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN
Thread Quantity Per Inch10
Nut StyleHEXAGON
Thread SeriesUNIFIED NATIONAL JOINT (UNJ)
Nominal Thread Size0.750 INCHES IN
Thread DirectionRIGHT-HAND
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Thread Class3A A
Bearing Surface TypeCHAMFERED
Width Across Flats1.239 INCHES MINIMUM AND 1.257 INCHES MAXIMUM IN
Temp Rating250.0 FAHRENHEIT NOMINAL DEGF
MaterialNICKEL ALLOY OVERALL EXCEPT INSERT
Specification/standard Data81349-MIL-DTL-32258 GOVERNMENT SPECIFICATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-01-645-2628 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-701-2486 INTERCHANGEABLE
Nut,self-Locking,hexagon
Cross-Reference Index
Part NumberManufacturer
M32258-UAC12 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5310-01-645-2628INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-701-2486INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON

Frequently Asked Questions

What is NSN 5310-01-608-8535?

NSN 5310-01-608-8535 is a Nut,self-Locking,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 5310-01-608-8535?

NSN 5310-01-608-8535 has 1 cross-referenced part number: M32258-UAC12 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5310-01-608-8535?

There are 2 known substitutes for 5310-01-608-8535: 5310-01-645-2628, 5310-01-701-2486. Verify interchangeability with system specifications before substitution.

What are the specifications of M32258-UAC12?

Key specifications for M32258-UAC12: Hardness Rating: 80.0 ROCKWELL C MINIMUM; Nut Height: 0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN; Thread Quantity Per Inch: 10; Nut Style: HEXAGON. 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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