PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12759-00856Screw,cap,hexagon Head

Fastenal Company Dba Fastenal Co · NSN 5305-01-576-6046 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-576-6046 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-576-6046. Primary manufacturer part number: 12759-00856.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Quantity Per Inch: 11
  • Thread Direction: RIGHT-HAND
  • Thread Class: 2A A
  • Specification/standard Data: 05047-ASME B18.0 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION AND 81346-ANSI B1 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
  • Supplementary Features: THREAD SERIES DESIGNATOR ALSO UNF
  • Surface Treatment: OIL OVERALL
  • Test Data Document: 81346-ASTM F788, 6.0 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-576-6046, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-01-576-6046
Primary Part Number12759-00856
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusCANCELLED
Thread Quantity Per Inch11
Thread DirectionRIGHT-HAND
Thread Class2A A
Specification/standard Data05047-ASME B18.0 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION AND 81346-ANSI B1 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Supplementary FeaturesTHREAD SERIES DESIGNATOR ALSO UNF
Surface TreatmentOIL OVERALL
Test Data Document81346-ASTM F788, 6.0 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
MaterialSTEEL OVERALL
Material Document and ClassificationSAE J429, GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread Length1.500 INCHES NOMINAL IN
Nominal Thread Diameter0.625 INCHES IN
Head StyleHEXAGON
Fastener Length6.000 INCHES NOMINAL IN
Head Height0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN
Width Between Flats0.922 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
1650-00-066-582914325 INTERCHANGEABLE
Plate,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4820-00-085-2363 INTERCHANGEABLE
Valve,gate
5950-00-156-6960 INTERCHANGEABLE
Reactor
5985-00-404-8419BG67 INTERCHANGEABLE
Cover,antenna Base
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5935-00-620-4380A521A017-101 INTERCHANGEABLE
Connector,receptacle,electrical
Kearfott Corporation Div Guidance and Navigation Division
5950-01-176-6649135-003-5078 INTERCHANGEABLE
Transformer,power
Moog Inc. Dba Moog Components Group
9340-01-187-28161-4-32-5 INTERCHANGEABLE
Window,observation
Celtech Corporation Div Use CAGE 65552 for All Orders
5935-01-320-192314325 INTERCHANGEABLE
Connector,electrica
Olympus America Inc
5330-01-383-367314325 INTERCHANGEABLE
Gasket
Melrath Gasket
3020-01-445-57151432-5 INTERCHANGEABLE
Chain Assembly,wash
Insinger Machine Co
Cross-Reference Index
Part NumberManufacturer
12759-00856 PRIMARY Fastenal Company Dba Fastenal Co (USA)
14325 PRIMARY Fastenal Company Dba Fastenal Co (USA)
Related Parts
1650-00-066-5829INTERCHANGEABLE
PLATE,VALVE
14325
4820-00-085-2363INTERCHANGEABLE
VALVE,GATE
5950-00-156-6960INTERCHANGEABLE
REACTOR
5985-00-404-8419INTERCHANGEABLE
COVER,ANTENNA BASE
BG67
5935-00-620-4380INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
A521A017-101
5950-01-176-6649INTERCHANGEABLE
TRANSFORMER,POWER
135-003-5078
9340-01-187-2816INTERCHANGEABLE
WINDOW,OBSERVATION
1-4-32-5
5935-01-320-1923INTERCHANGEABLE
CONNECTOR,ELECTRICA
14325
5330-01-383-3673INTERCHANGEABLE
GASKET
14325
3020-01-445-5715INTERCHANGEABLE
CHAIN ASSEMBLY,WASH
1432-5

Frequently Asked Questions

What is NSN 5305-01-576-6046?

NSN 5305-01-576-6046 is a Screw,cap,hexagon Head, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-01-576-6046?

NSN 5305-01-576-6046 has 2 cross-referenced part numbers: 12759-00856 (Fastenal Company Dba Fastenal Co), 14325 (Fastenal Company Dba Fastenal Co).

What NSN replaces 5305-01-576-6046?

There are 10 known substitutes for 5305-01-576-6046: 1650-00-066-5829, 4820-00-085-2363, 5950-00-156-6960 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12759-00856?

Key specifications for 12759-00856: Thread Quantity Per Inch: 11; End Item Identification: 2320-01-531-6425, TRUCK,BOMB SERVICE; Thread Direction: RIGHT-HAND; Thread Class: 2A A. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-01-576-6046 still in active supply?

NSN 5305-01-576-6046 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.
PartsTable Design LLC · partstable.com