PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1820923C2Nut,plain,hexagon

Nd Defense Llc · NSN 5310-00-600-6850 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-600-6850 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-600-6850. Primary manufacturer part number: 1820923C2.
Features
  • Nut,plain,hexagon — FSC 5310
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Thread Class: 2B
  • Thread Quantity Per Inch: 24
  • Thread Series: UNF
  • Features Provided: CASEHARDENED
  • Nominal Thread Size: 0.375 INCHES IN
  • Width Across Flats: 0.562 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1015 or Steel Comp 1016 or Steel Comp 1017 or Steel Comp 1018 or Steel Comp 1019 or Steel Comp 1020 or Steel Comp 1108 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-600-6850, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Nd Defense Llc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-600-6850
Primary Part Number1820923C2
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNd Defense Llc
StatusCANCELLED
Bearing Surface TypeCHAMFERED OR WASHER FACED
Thread Class2B
Thread Quantity Per Inch24
Thread SeriesUNF
Features ProvidedCASEHARDENED
Nominal Thread Size0.375 INCHES IN
Width Across Flats0.562 INCHES NOMINAL IN
Nut StyleHEXAGON
Countersink Angle90.0 DEGREES NOMINAL NUT
MaterialSTEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1108 OVERALL
Thread DirectionRIGHT-HAND
Nut Height0.256 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5310-00-314-077547024 INTERCHANGEABLE
Washer,flat
Teleweld Inc
1610-00-483-674972158 INTERCHANGEABLE
Cam,propeller,aircraft
Hamilton Sundstrand Corporation Dba Collins Aerospace
5342-00-652-747147024 INTERCHANGEABLE
Orifice,spray Nozzle
Collins Engine Nozzles, Inc
1630-00-979-9611 INTERCHANGEABLE
Shield,expander Tub
3120-00-988-577972158 INTERCHANGEABLE
Bushing,sleeve
Textron Lycoming Inc Williamsport Plant
1630-00-996-774372-158 INTERCHANGEABLE
Shield,expander Tub
Goodrich Corporation
4820-01-105-571847024 INTERCHANGEABLE
Gland Follower,valve
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
5310-01-213-48414702-4 INTERCHANGEABLE
Washer,key
Pdi Ground Support Systems, Inc.
4820-01-300-884472158 INTERCHANGEABLE
Guide,valve Stem
Lawler Manufacturing Company, Inc.
Cross-Reference Index
Part NumberManufacturer
133093R1 International Harvester Co Agricultural Equipment Div (USA)
1820923C2 PRIMARY Nd Defense Llc (USA)
38763HA Navistar International Corporation Dba Navistar (USA)
47024 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
72158 Little Giant Crane and Shovel Inc (USA)
133093R1 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
38763HA Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
38763HA Navistar Intl Corp Truck Br Ohio Plant (USA)
38763H Komatsu American Intl Co (USA)
38763H Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
133093R1 Navistar International Corporation Dba Navistar (USA)
Related Parts
5310-00-314-0775INTERCHANGEABLE
WASHER,FLAT
47024
1610-00-483-6749INTERCHANGEABLE
CAM,PROPELLER,AIRCRAFT
72158
5342-00-652-7471INTERCHANGEABLE
ORIFICE,SPRAY NOZZLE
47024
1630-00-979-9611INTERCHANGEABLE
SHIELD,EXPANDER TUB
3120-00-988-5779INTERCHANGEABLE
BUSHING,SLEEVE
72158
1630-00-996-7743INTERCHANGEABLE
SHIELD,EXPANDER TUB
72-158
4820-01-105-5718INTERCHANGEABLE
GLAND FOLLOWER,VALVE
47024
5310-01-213-4841INTERCHANGEABLE
WASHER,KEY
4702-4
4820-01-300-8844INTERCHANGEABLE
GUIDE,VALVE STEM
72158

Frequently Asked Questions

What is NSN 5310-00-600-6850?

NSN 5310-00-600-6850 is a Nut,plain,hexagon, manufactured by Nd Defense Llc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-600-6850?

NSN 5310-00-600-6850 has 11 cross-referenced part numbers: 133093R1 (International Harvester Co Agricultural Equipment Div), 1820923C2 (Nd Defense Llc), 38763HA (Navistar International Corporation Dba Navistar), 47024 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.), 72158 (Little Giant Crane and Shovel Inc) and 6 more.

What NSN replaces 5310-00-600-6850?

There are 9 known substitutes for 5310-00-600-6850: 5310-00-314-0775, 1610-00-483-6749, 5342-00-652-7471 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1820923C2?

Key specifications for 1820923C2: Bearing Surface Type: CHAMFERED OR WASHER FACED; Thread Class: 2B; Thread Quantity Per Inch: 24; Thread Series: UNF. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-600-6850 still in active supply?

NSN 5310-00-600-6850 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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