PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

399K233Nut,plain,hexagon

Hyster-Yale Group, Inc. Dba Yale Materials Handling · NSN 5310-00-220-6740 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-220-6740 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-220-6740. Primary manufacturer part number: 399K233.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Direction: RIGHT-HAND
  • Thread Pitch Diameters: +0.8425 TO 0.8472 INCHES IN
  • Thread Quantity Per Inch: 20
  • Bearing Surface Type: WASHER FACED
  • Nominal Thread Size: 0.875 INCHES IN
  • Thread Series: UNEF
  • Nut Style: HEXAGON
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1117 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-220-6740, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hyster-Yale Group, Inc. Dba Yale Materials Handling. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 10 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
NSN5310-00-220-6740
Primary Part Number399K233
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHyster-Yale Group, Inc. Dba Yale Materials Handling
StatusCANCELLED
Thread DirectionRIGHT-HAND
Thread Pitch Diameters+0.8425 TO 0.8472 INCHES IN
Thread Quantity Per Inch20
Bearing Surface TypeWASHER FACED
Nominal Thread Size0.875 INCHES IN
Thread SeriesUNEF
Nut StyleHEXAGON
MaterialSTEEL COMP 1117 OVERALL
Width Across Flats1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nut Height0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5330-00-083-034940136 INTERCHANGEABLE
Gasket
Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp
4820-00-380-3663256853 INTERCHANGEABLE
Valve Assembly
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
1680-00-776-614925-6853 INTERCHANGEABLE
Table Assy,gunner S
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
256853 General Motors Corp Saginaw Div (USA)
853386 Clark Equipment Co (USA)
256853 General Motors Corp (USA)
256853 Linear Motion Llc Div Ugm (USA)
556853 General Motors Corp Saginaw Div (USA)
556853 Linear Motion Llc Div Ugm (USA)
6245669 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
399K233 PRIMARY Hyster-Yale Group, Inc. Dba Yale Materials Handling (USA)
5310002206740 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
256853 General Motors Llc Dba General Motors Llc (USA)
5310002206740 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
648304 Clark Equipment Co (USA)
5039P11 PRIMARY Taylor Machine Works Inc (USA)
556853 PRIMARY General Motors Corp (USA)
B245669 CAGE 00000
Related Parts
5330-00-083-0349INTERCHANGEABLE
GASKET
40136
4820-00-380-3663INTERCHANGEABLE
VALVE ASSEMBLY
256853
1680-00-776-6149INTERCHANGEABLE
TABLE ASSY,GUNNER S
25-6853

Frequently Asked Questions

What is NSN 5310-00-220-6740?

NSN 5310-00-220-6740 is a Nut,plain,hexagon, manufactured by Hyster-Yale Group, Inc. Dba Yale Materials Handling, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-220-6740?

NSN 5310-00-220-6740 has 15 cross-referenced part numbers: 256853 (General Motors Corp Saginaw Div), 853386 (Clark Equipment Co), 256853 (General Motors Corp), 256853 (Linear Motion Llc Div Ugm), 556853 (General Motors Corp Saginaw Div) and 10 more.

What NSN replaces 5310-00-220-6740?

There are 3 known substitutes for 5310-00-220-6740: 5330-00-083-0349, 4820-00-380-3663, 1680-00-776-6149. Verify interchangeability with system specifications before substitution.

What are the specifications of 399K233?

Key specifications for 399K233: Thread Direction: RIGHT-HAND; Thread Pitch Diameters: +0.8425 TO 0.8472 INCHES IN; Thread Quantity Per Inch: 20; Bearing Surface Type: WASHER FACED. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-220-6740 still in active supply?

NSN 5310-00-220-6740 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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