PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-N-25027/1D4Nut,self-Locking,hexagon

Naval Inventory Control Point Mechanicsburg · NSN 5310-01-623-7821 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-623-7821 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-623-7821. Primary manufacturer part number: MIL-N-25027/1D4.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • 48 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 5310-01-623-7821, 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. This item has 48 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameNut,self-Locking,hexagon
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersNaval Inventory Control Point Mechanicsburg (CAGE 03950); Electric Boat Corporation Div General Dynamics Electric Boat (CAGE 96169); Naval Sea Systems Command (CAGE 53711); Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M (CAGE 81349); Esna, Llc (CAGE 019L2)
Technical Specifications
ParameterValue
NSN5310-01-623-7821
Primary Part NumberMIL-N-25027/1D4
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5310-01-144-311709NUL1-1210 INTERCHANGEABLE
Nut,self-Locking,hexagon
Greer Stop Nut, Inc.
5310-01-198-4165 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-385-5986M32258-UAC14 INTERCHANGEABLE
Nut,self-Locking,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-426-8883 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-436-4983 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-443-5667 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
Cross-Reference Index
Part NumberManufacturer
MIL-N-25027/1D4 Naval Inventory Control Point Mechanicsburg (USA)
H5471905-068D4 Naval Inventory Control Point Mechanicsburg (USA)
G5472101-0114 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
G547-2101 PN 260 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
H547-0001-H5471905-68 Naval Sea Systems Command (USA)
7384567 PN 260 Naval Sea Systems Command (USA)
G547-2101 PN 114D4 Naval Inventory Control Point Mechanicsburg (USA)
H547-0249-232D4 Naval Inventory Control Point Mechanicsburg (USA)
G547-0001-G5472101-0114 Naval Inventory Control Point Mechanicsburg (USA)
G5472101-0260 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
0.750-10UNC-3B NICUD4 Naval Inventory Control Point Mechanicsburg (USA)
G547-0001-G5472101-0260 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
7383858-H5470249-0232D4 Naval Inventory Control Point Mechanicsburg (USA)
167-7106787-232D4 Naval Inventory Control Point Mechanicsburg (USA)
G547-0001-G5472101-0114 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
NASM25027 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
H547-0001-H5471905-68D4 Naval Inventory Control Point Mechanicsburg (USA)
0.750-10UNC-3B NICU Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
21170736FA Electric Boat Corporation Div General Dynamics Electric Boat (USA)
7550477-G5472101-0114 Naval Sea Systems Command (USA)
Related Parts
5310-01-144-3117INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
09NUL1-1210
5310-01-198-4165INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-385-5986INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
M32258-UAC14
5310-01-426-8883INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-436-4983INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-443-5667INTERCHANGEABLE
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

Frequently Asked Questions

What is NSN 5310-01-623-7821?

NSN 5310-01-623-7821 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 5310-01-623-7821?

NSN 5310-01-623-7821 has 48 cross-referenced part numbers: MIL-N-25027/1D4 (Naval Inventory Control Point Mechanicsburg), H5471905-068D4 (Naval Inventory Control Point Mechanicsburg), G5472101-0114 (Electric Boat Corporation Div General Dynamics Electric Boat), G547-2101 PN 260 (Electric Boat Corporation Div General Dynamics Electric Boat), H547-0001-H5471905-68 (Naval Sea Systems Command) and 43 more.

What NSN replaces 5310-01-623-7821?

There are 9 known substitutes for 5310-01-623-7821: 5310-01-144-3117, 5310-01-198-4165, 5310-01-385-5986 and 6 more. Verify interchangeability with system specifications before substitution.

Is NSN 5310-01-623-7821 still in active supply?

NSN 5310-01-623-7821 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.
PartsTable Design LLC · partstable.com