PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-N-25027Nut,self-Locking,hexagon

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5310-01-426-8876 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-426-8876 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-426-8876. Primary manufacturer part number: MIL-N-25027.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Material: NICKEL ALLOY OVERALL
  • Thread Quantity Per Inch: 6
  • Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF
  • Nominal Thread Size: 1.500 INCHES IN
  • Thread Series: UNJC
  • Nut Height: 1.891 INCHES MINIMUM AND 1.953 INCHES MAXIMUM IN
  • Nut Style: HEXAGON
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Nickel Alloy Overall construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-426-8876, 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 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-426-8876
Primary Part NumberMIL-N-25027
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
MaterialNICKEL ALLOY OVERALL
Thread Quantity Per Inch6
Temp Rating250.0 FAHRENHEIT NOMINAL DEGF
Nominal Thread Size1.500 INCHES IN
Thread SeriesUNJC
Nut Height1.891 INCHES MINIMUM AND 1.953 INCHES MAXIMUM IN
Nut StyleHEXAGON
Bearing Surface TypeCHAMFERED OR WASHER FACED
Width Across Flats2.344 INCHES MINIMUM AND 2.388 INCHES MAXIMUM IN
Material Document and ClassificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread Class3B
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-01-206-2821 INTERCHANGEABLE
Nut,self-Locking,hexagon
Cross-Reference Index
Part NumberManufacturer
MIL-N-25027 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M25027/1-24C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
754-6407000 ITEM 39 Naval Sea Systems Command (USA)
Related Parts
5310-01-206-2821INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON

Frequently Asked Questions

What is NSN 5310-01-426-8876?

NSN 5310-01-426-8876 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 5310-01-426-8876?

NSN 5310-01-426-8876 has 3 cross-referenced part numbers: MIL-N-25027 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M25027/1-24C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 754-6407000 ITEM 39 (Naval Sea Systems Command).

What NSN replaces 5310-01-426-8876?

There is 1 known substitute for 5310-01-426-8876: 5310-01-206-2821. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-N-25027?

Key specifications for MIL-N-25027: Material: NICKEL ALLOY OVERALL; Thread Quantity Per Inch: 6; Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF; Nominal Thread Size: 1.500 INCHES IN. 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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