PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H10E8GNNut,self-Locking,hexagon

Howmet Global Fastening Systems Inc · NSN 5310-00-616-5997 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-616-5997 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-616-5997. Primary manufacturer part number: H10E8GN.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Temp Rating: 450.0 FAHRENHEIT MAXIMUM DEGF
  • Bearing Surface Finish: 125.0 MICROINCHES
  • Width Across Flats: 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 20
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Criticality Code Justification: ZZZK
  • Nominal Thread Size: 0.500 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 8740 or Steel Comp 4340 or Steel Comp 4140 or Steel Comp 4130 Overall construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-616-5997, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-616-5997
Primary Part NumberH10E8GN
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHowmet Global Fastening Systems Inc
StatusACTIVE
Temp Rating450.0 FAHRENHEIT MAXIMUM DEGF
Bearing Surface Finish125.0 MICROINCHES
Width Across Flats0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
Thread Quantity Per Inch20
Bearing Surface TypeCHAMFERED OR WASHER FACED
Criticality Code JustificationZZZK
Nominal Thread Size0.500 INCHES IN
Thread SeriesUNIFIED NATIONAL JOINT FINE (UNJF)
Thread DirectionRIGHT-HAND
Material Document and ClassificationMIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 6322 NATIONAL STD/SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR AMS 6378 NATIONAL STD/SPEC 3RD MATERIAL RESPONSE OR AMS 6350 OR AMS 6370 NATIONAL STD/SPEC 4TH MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 8740 OR STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 4130 OVERALL
Nut Height0.328 INCHES NOMINAL IN
Surface Treatment Document and ClassificationAMS-QQ-P-416,TYPE II,CLASS 2 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Thread Class3B
Specification/standard Data26512-GN10U MANUFACTURERS STANDARD
LubricationDRY FILM LUBRICANT
Surface TreatmentCADMIUM OVERALL
Nut StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5305-00-188-0776H10-8 INTERCHANGEABLE
Screw,cap,hexagon Head
Ims Engineered Products Llc
5310-00-449-2378MS21245L8 INTERCHANGEABLE
Nut,self-Locking,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5950-00-866-0409H108 INTERCHANGEABLE
Reactor
Magnetika Inc
4720-01-084-71052781-8 INTERCHANGEABLE
Hose,nonmetallic
Danfoss Power Solutions II, Llc
Cross-Reference Index
Part NumberManufacturer
GN10U820 Northrop Grumman Systems Corporation (USA)
H10E8GN PRIMARY Howmet Global Fastening Systems Inc (USA)
H10-8 Tecnotec Sarl (FRA)
H10E8 Klx Aerospace Solutions II SAS (FRA)
H10-8 B-N Group Ltd (GBR)
H10E8GN Howmet Global Fastening Systems Inc (USA)
H10-8 Klx Aerospace Solutions II SAS (FRA)
H10E8 Howmet Global Fastening Systems Inc (USA)
GN10U820 PRIMARY Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems (USA)
H10E8 Northrop Grumman Systems Corporation (USA)
H10E8GN Northrop Grumman Systems Corporation (USA)
H10-8 Boeing Distribution Services SAS (FRA)
H10E8 Boeing Distribution Services SAS (FRA)
H10E8 Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems (USA)
H10-8 Howmet Global Fastening Systems Inc (USA)
H10E8 Northrop Grumman Systems Corporation (USA)
Related Parts
5305-00-188-0776INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
H10-8
5310-00-449-2378INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
MS21245L8
5950-00-866-0409INTERCHANGEABLE
REACTOR
H108
4720-01-084-7105INTERCHANGEABLE
HOSE,NONMETALLIC
2781-8

Frequently Asked Questions

What is NSN 5310-00-616-5997?

NSN 5310-00-616-5997 is a Nut,self-Locking,hexagon, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-616-5997?

NSN 5310-00-616-5997 has 16 cross-referenced part numbers: GN10U820 (Northrop Grumman Systems Corporation), H10E8GN (Howmet Global Fastening Systems Inc), H10-8 (Tecnotec Sarl), H10E8 (Klx Aerospace Solutions II SAS), H10-8 (B-N Group Ltd) and 11 more.

What NSN replaces 5310-00-616-5997?

There are 4 known substitutes for 5310-00-616-5997: 5305-00-188-0776, 5310-00-449-2378, 5950-00-866-0409 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H10E8GN?

Key specifications for H10E8GN: Temp Rating: 450.0 FAHRENHEIT MAXIMUM DEGF; End Item Identification: 1630-00-970-6671; Bearing Surface Finish: 125.0 MICROINCHES; Width Across Flats: 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN. 21 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