PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HC402JNut,plain,hexagon

Siemens Energy, Inc. · NSN 5310-00-394-8036 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-394-8036 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-394-8036. Primary manufacturer part number: HC402J.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Class: 3B
  • Nut Height: 0.469 INCHES NOMINAL IN
  • Nominal Thread Size: 1.375 INCHES IN
  • Thread Quantity Per Inch: 16
  • Thread Series: UN
  • Material: STEEL OVERALL
  • Material Document and Classification: MIL-S-890 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-394-8036, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Siemens Energy, Inc.. Government technical data includes 13 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-394-8036
Primary Part NumberHC402J
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSiemens Energy, Inc.
StatusACTIVE
Thread Class3B
Nut Height0.469 INCHES NOMINAL IN
Nominal Thread Size1.375 INCHES IN
Thread Quantity Per Inch16
Thread SeriesUN
MaterialSTEEL OVERALL
Material Document and ClassificationMIL-S-890 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Bearing Surface Finish125.0 MICROINCHES
Bearing Surface TypeWASHER FACED
Countersink Angle15.0 DEGREES NOMINAL NUT
Nut StyleHEXAGON
Thread DirectionRIGHT-HAND
Width Across Flats1.812 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5815-00-604-204300899 INTERCHANGEABLE
Eccentric,teletypew
Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service
5330-00-982-336600899F INTERCHANGEABLE
Packing,preformed
Griswold Industries Dba Cla-Val Co
5305-01-160-395100899 INTERCHANGEABLE
Screw,cap,hexagon Head
Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools
Cross-Reference Index
Part NumberManufacturer
HC402J Siemens Energy, Inc. (USA)
00899 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
G8899PC52 Siemens Energy, Inc. (USA)
Related Parts
5815-00-604-2043INTERCHANGEABLE
ECCENTRIC,TELETYPEW
00899
5330-00-982-3366INTERCHANGEABLE
PACKING,PREFORMED
00899F
5305-01-160-3951INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
00899

Frequently Asked Questions

What is NSN 5310-00-394-8036?

NSN 5310-00-394-8036 is a Nut,plain,hexagon, manufactured by Siemens Energy, Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-394-8036?

NSN 5310-00-394-8036 has 3 cross-referenced part numbers: HC402J (Siemens Energy, Inc.), 00899 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), G8899PC52 (Siemens Energy, Inc.).

What NSN replaces 5310-00-394-8036?

There are 3 known substitutes for 5310-00-394-8036: 5815-00-604-2043, 5330-00-982-3366, 5305-01-160-3951. Verify interchangeability with system specifications before substitution.

What are the specifications of HC402J?

Key specifications for HC402J: Thread Class: 3B; Nut Height: 0.469 INCHES NOMINAL IN; Nominal Thread Size: 1.375 INCHES IN; Thread Quantity Per Inch: 16. 13 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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