PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40427Nut,plain,hexagon

Hartzell Engine Technologies Llc · NSN 5310-01-729-4122 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-729-4122 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-729-4122. Primary manufacturer part number: 40427.
Features
  • Nut,plain,hexagon — FSC 5310
  • 2 verified cross-references
  • Primary manufacturer: Hartzell Engine Technologies Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-729-4122, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hartzell Engine Technologies Llc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameNut,plain,hexagon
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersHartzell Engine Technologies Llc (CAGE 664K1); Safran Electronics & Defense (CAGE FAQ15)
Technical Specifications
ParameterValue
NSN5310-01-729-4122
Primary Part Number40427
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHartzell Engine Technologies Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4820-00-105-8277 INTERCHANGEABLE
Valve,pneumatic Tank
5905-00-176-2458A404.27 INTERCHANGEABLE
Resistor,fixed,film
Ward Leonard Ct Llc
5315-00-187-3256MS24692-81 INTERCHANGEABLE
Pin,tapered,plain
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5950-00-578-862140427 INTERCHANGEABLE
Transformer,power
Hanovia Specialty Lighting Llc
5950-00-660-4644 INTERCHANGEABLE
Transformer,power
5962-01-078-574440427 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
5950-01-147-6935280191 INTERCHANGEABLE
Transformer,power
Astra Products Co., Inc. of Tampa Dba Astra Products Co Inc of Tampa
4930-01-307-272140427 INTERCHANGEABLE
Breather Assembly
Eaton Corporation Dba Eaton Inoac
Cross-Reference Index
Part NumberManufacturer
40427 PRIMARY Hartzell Engine Technologies Llc (USA)
MEP-00026241 Safran Electronics & Defense (FRA)
Related Parts
4820-00-105-8277INTERCHANGEABLE
VALVE,PNEUMATIC TANK
5905-00-176-2458INTERCHANGEABLE
RESISTOR,FIXED,FILM
A404.27
5315-00-187-3256INTERCHANGEABLE
PIN,TAPERED,PLAIN
MS24692-81
5950-00-578-8621INTERCHANGEABLE
TRANSFORMER,POWER
40427
5950-00-660-4644INTERCHANGEABLE
TRANSFORMER,POWER
5962-01-078-5744INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
40427
5950-01-147-6935INTERCHANGEABLE
TRANSFORMER,POWER
280191
4930-01-307-2721INTERCHANGEABLE
BREATHER ASSEMBLY
40427

Frequently Asked Questions

What is NSN 5310-01-729-4122?

NSN 5310-01-729-4122 is a Nut,plain,hexagon, manufactured by Hartzell Engine Technologies Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-729-4122?

NSN 5310-01-729-4122 has 2 cross-referenced part numbers: 40427 (Hartzell Engine Technologies Llc), MEP-00026241 (Safran Electronics & Defense).

What NSN replaces 5310-01-729-4122?

There are 8 known substitutes for 5310-01-729-4122: 4820-00-105-8277, 5905-00-176-2458, 5315-00-187-3256 and 5 more. Verify interchangeability with system specifications before substitution.

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