PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M32258-UAC14Nut,self-Locking,hexagon

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-01-385-5986 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-385-5986 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-385-5986. Primary manufacturer part number: M32258-UAC14.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Thread Class: 3B
  • Thread Series: UNJC
  • Thread Quantity Per Inch: 9
  • Width Across Flats: 1.427 INCHES MINIMUM AND 1.446 INCHES MAXIMUM IN
  • Nut Style: HEXAGON
  • Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT
  • Nominal Thread Size: 0.875 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Locking Insert construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-385-5986, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-385-5986
Primary Part NumberM32258-UAC14
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusACTIVE
Thread Class3B
Thread SeriesUNJC
Thread Quantity Per Inch9
Width Across Flats1.427 INCHES MINIMUM AND 1.446 INCHES MAXIMUM IN
Nut StyleHEXAGON
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Nominal Thread Size0.875 INCHES IN
Nut Height1.110 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN
Temp Rating250.0 FAHRENHEIT MAXIMUM DEGF
Countersink Angle88.0 DEGREES NOMINAL BASE
Specification/standard Data81349--25027/1-14C GOVERNMENT SPECIFICATION
Material Document and ClassificationMIL-N-25027 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialPLASTIC LOCKING INSERT
MaterialNICKEL ALLOY OVERALL
MaterialNICKEL ALLOY AND COPPER ALLOY OVERALL EXCEPT INSERT
Bearing Surface TypeCHAMFERED
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5310-00-088-5329 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-00-616-2934K1901-3 INTERCHANGEABLE
Nut,self-Locking,plate
Howmet Global Fastening Systems Inc
5310-01-436-4983 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-450-5591 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-450-7796 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-494-8396 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-501-2267 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-605-3944 INTERCHANGEABLE
Nut,plain,hexagon
5310-01-623-7821 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-700-4924 INTERCHANGEABLE
Nut,self-Locking,hexagon
Cross-Reference Index
Part NumberManufacturer
2643-820-12 ITEM 53 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
211070737 Naval Sea Systems Command (USA)
M25027/1-14C Zf Industrieantriebe Witten Gmbh (DEU)
MIL-DTL-32258 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-32258 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS25027/1-14C National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
M25027/1-14C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-N-25027/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
801-6404951-15 Naval Sea Systems Command (USA)
M32258-UCA14 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
845-7526218-11XX-16 Naval Sea Systems Command (USA)
M32258-UAC14 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
5310-00-088-5329INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-00-616-2934INTERCHANGEABLE
NUT,SELF-LOCKING,PLATE
K1901-3
5310-01-436-4983INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-450-5591INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-450-7796INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-494-8396INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-501-2267INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-605-3944INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-623-7821INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-700-4924INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-733-9701INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON

Frequently Asked Questions

What is NSN 5310-01-385-5986?

NSN 5310-01-385-5986 is a Nut,self-Locking,hexagon, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-385-5986?

NSN 5310-01-385-5986 has 12 cross-referenced part numbers: 2643-820-12 ITEM 53 (Electric Boat Corporation Div General Dynamics Electric Boat), 211070737 (Naval Sea Systems Command), M25027/1-14C (Zf Industrieantriebe Witten Gmbh), MIL-DTL-32258 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-32258 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 7 more.

What NSN replaces 5310-01-385-5986?

There are 11 known substitutes for 5310-01-385-5986: 5310-00-088-5329, 5310-00-616-2934, 5310-01-436-4983 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M32258-UAC14?

Key specifications for M32258-UAC14: Thread Class: 3B; End Item Identification: 34 INCH TITANIUM BUTTERFLY VALVE ON NUC SUB IN; Thread Series: UNJC; Thread Quantity Per Inch: 9. 19 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com