PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1A9859Bolt,machine

Napco International Llc Dba Napco International Inc · NSN 5306-00-021-6782 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-021-6782 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-021-6782. Primary manufacturer part number: 1A9859.
Features
  • Bolt,machine — FSC 5306
  • Head Height: 0.234 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Grip Length: 0.875 INCHES NOMINAL IN
  • Fastener Length: 1.750 INCHES NOMINAL IN
  • Thread Length: 0.875 INCHES MINIMUM IN
  • Minimum Yield Strength: 60000 POUNDS PER SQUARE INCH LBS
  • Thread Quantity Per Inch: 24
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-021-6782, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Napco International Llc Dba Napco International Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-021-6782
Primary Part Number1A9859
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerNapco International Llc Dba Napco International Inc
StatusACTIVE
Head Height0.234 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Grip Length0.875 INCHES NOMINAL IN
Fastener Length1.750 INCHES NOMINAL IN
Thread Length0.875 INCHES MINIMUM IN
Minimum Yield Strength60000 POUNDS PER SQUARE INCH LBS
Thread Quantity Per Inch24
MaterialSTEEL OVERALL
Thread Series DesignatorUNF
Nominal Thread Diameter0.312 INCHES IN
Thread Class2A A
Features ProvidedFINISHED HEAD
Width Between Flats0.500 INCHES NOMINAL IN
Head StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-362955200 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Rbc Bearings Incorporated Div West Trenton Division
5330-00-154-84272307 INTERCHANGEABLE
Seal,plain Encased
Rexnord Industries Llc
5360-00-212-0268216782 INTERCHANGEABLE
Spring,special
Dana Off Highway Products, Llc
5330-00-285-946711815 INTERCHANGEABLE
Seal,plain Encased
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5950-00-518-202555200 INTERCHANGEABLE
Coil,radio Frequency
L3harris Technologies, Inc Div Space & Airborne Systems
5985-00-581-1446 INTERCHANGEABLE
Attenuator,variable
5310-00-584-5005 INTERCHANGEABLE
Nut,plain,hexagon
5975-00-665-0648 INTERCHANGEABLE
Bushing,electrical Conduit
3040-00-695-7189 INTERCHANGEABLE
Core,flexible Shaft Assembly
5977-01-008-64605305-178-015 INTERCHANGEABLE
Holder Assembly,electrical Conta
Warner Electric Brake and Clutch Co Hq
Cross-Reference Index
Part NumberManufacturer
55200 White Motor Corp (USA)
1A9859 PRIMARY Napco International Llc Dba Napco International Inc (USA)
X1-63 Cushman Inc a Ransom Co Pobox 7248 Charlotte Nc 28241 7248 (USA)
216782 General Motors Llc Dba General Motors Llc (USA)
2BL0956 PRIMARY Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA)
7007083 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
216782 General Motors Corp (USA)
Q1781 International Harvester Co Agricultural Equipment Div (USA)
125519H International Harvester Co Agricultural Equipment Div (USA)
914173 Allis-Chalmers Corp (USA)
203601 PRIMARY Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems (USA)
0914173 Allis-Chalmers Corp (USA)
Related Parts
3110-00-100-3629INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
55200
5330-00-154-8427INTERCHANGEABLE
SEAL,PLAIN ENCASED
2307
5360-00-212-0268INTERCHANGEABLE
SPRING,SPECIAL
216782
5330-00-285-9467INTERCHANGEABLE
SEAL,PLAIN ENCASED
11815
5950-00-518-2025INTERCHANGEABLE
COIL,RADIO FREQUENCY
55200
5985-00-581-1446INTERCHANGEABLE
ATTENUATOR,VARIABLE
5310-00-584-5005INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5975-00-665-0648INTERCHANGEABLE
BUSHING,ELECTRICAL CONDUIT
3040-00-695-7189INTERCHANGEABLE
CORE,FLEXIBLE SHAFT ASSEMBLY
5977-01-008-6460INTERCHANGEABLE
HOLDER ASSEMBLY,ELECTRICAL CONTA
5305-178-015
5961-01-110-3035INTERCHANGEABLE
TRANSISTOR
1854-0815
2530-01-147-6423INTERCHANGEABLE
CALIPER ASSEMBLY,DISC BRAKE
15665667

Frequently Asked Questions

What is NSN 5306-00-021-6782?

NSN 5306-00-021-6782 is a Bolt,machine, manufactured by Napco International Llc Dba Napco International Inc, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-021-6782?

NSN 5306-00-021-6782 has 12 cross-referenced part numbers: 55200 (White Motor Corp), 1A9859 (Napco International Llc Dba Napco International Inc), X1-63 (Cushman Inc a Ransom Co Pobox 7248 Charlotte Nc 28241 7248), 216782 (General Motors Llc Dba General Motors Llc), 2BL0956 (Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)) and 7 more.

What NSN replaces 5306-00-021-6782?

There are 12 known substitutes for 5306-00-021-6782: 3110-00-100-3629, 5330-00-154-8427, 5360-00-212-0268 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1A9859?

Key specifications for 1A9859: Head Height: 0.234 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; Grip Length: 0.875 INCHES NOMINAL IN; Fastener Length: 1.750 INCHES NOMINAL IN. 14 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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