PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M25027/1-12CL1Nut,self-Locking,hexagon

Naval Inventory Control Point Mechanicsburg · NSN 5310-01-198-4165 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-198-4165 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-198-4165. Primary manufacturer part number: M25027/1-12CL1.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Criticality Code Justification: ZZZX
  • Departure From Cited Designator: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
  • 50 verified cross-references
  • Primary manufacturer: Naval Inventory Control Point Mechanicsburg
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-198-4165, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-01-198-4165
Primary Part NumberM25027/1-12CL1
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusCANCELLED
Criticality Code JustificationZZZX
Departure From Cited DesignatorMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5315-01-124-3850SL-13507 PIECE 13 INTERCHANGEABLE
Pin,taper,special
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5310-01-426-8883 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-623-7821 INTERCHANGEABLE
Nut,self-Locking,hexagon
Cross-Reference Index
Part NumberManufacturer
M25027/1-12CL1 Naval Inventory Control Point Mechanicsburg (USA)
255593 PIECE 37 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
CD-023-06-20L1 Naval Inventory Control Point Mechanicsburg (USA)
H625-0315-41 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
167-7409320-66 Naval Sea Systems Command (USA)
751-6405228 FIND60 Naval Sea Systems Command (USA)
B541-1100-66 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
563-7286781-89 Naval Sea Systems Command (USA)
751-6726243 FIND25 Naval Sea Systems Command (USA)
CD-023-07-20 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
596-7411115-74L1 Naval Inventory Control Point Mechanicsburg (USA)
596-7411115-74 Naval Sea Systems Command (USA)
B541-7020-73 Naval Inventory Control Point Mechanicsburg (USA)
B541-7020-73L1 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
255593 PIECE 37L1 Naval Inventory Control Point Mechanicsburg (USA)
563-7286781-89L1 Naval Inventory Control Point Mechanicsburg (USA)
801-6404585 FIND 20 Naval Sea Systems Command (USA)
4457142 PIECE 7 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
845-7286651-27 Naval Sea Systems Command (USA)
2643-825-91 ITEM 27 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
5315-01-124-3850INTERCHANGEABLE
PIN,TAPER,SPECIAL
SL-13507 PIECE 13
5310-01-426-8883INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-623-7821INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON

Frequently Asked Questions

What is NSN 5310-01-198-4165?

NSN 5310-01-198-4165 is a Nut,self-Locking,hexagon, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-01-198-4165?

NSN 5310-01-198-4165 has 50 cross-referenced part numbers: M25027/1-12CL1 (Naval Inventory Control Point Mechanicsburg), 255593 PIECE 37 (Huntington Ingalls Inc Div Newport News Shipbuilding), CD-023-06-20L1 (Naval Inventory Control Point Mechanicsburg), H625-0315-41 (Electric Boat Corporation Div General Dynamics Electric Boat), 167-7409320-66 (Naval Sea Systems Command) and 45 more.

What NSN replaces 5310-01-198-4165?

There are 3 known substitutes for 5310-01-198-4165: 5315-01-124-3850, 5310-01-426-8883, 5310-01-623-7821. Verify interchangeability with system specifications before substitution.

What are the specifications of M25027/1-12CL1?

Key specifications for M25027/1-12CL1: Criticality Code Justification: ZZZX; Departure From Cited Designator: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-01-198-4165 still in active supply?

NSN 5310-01-198-4165 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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