PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2646Screw,cap,hexagon Head

Clayton Manufacturing Company · NSN 5305-01-047-7841 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-047-7841 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-047-7841. Primary manufacturer part number: 2646.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Material: IRON OVERALL
  • Fastener Length: 1.750 INCHES MINIMUM IN
  • Thread Direction: RIGHT-HAND
  • Thread Quantity Per Inch: 16
  • Thread Length: 1.750 INCHES MAXIMUM IN
  • Head Style: HEXAGON
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Iron Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-047-7841, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Clayton Manufacturing Company. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5305-01-047-7841
Primary Part Number2646
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerClayton Manufacturing Company
StatusACTIVE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
MaterialIRON OVERALL
Fastener Length1.750 INCHES MINIMUM IN
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch16
Thread Length1.750 INCHES MAXIMUM IN
Head StyleHEXAGON
Nominal Thread Diameter0.375 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-110-08292646 INTERCHANGEABLE
Switch,rotary
General Microwave Corporation Div Kratos Microwave Electronics
3110-00-111-734302-0646-20 INTERCHANGEABLE
Bearing,ball,annular
Scotsman Industries Inc Div Scotsman Ice Systems
5330-00-252-3908 INTERCHANGEABLE
Gasket
5970-01-028-44332646 INTERCHANGEABLE
Insulator,standoff
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5331-01-038-0926757 262 INTERCHANGEABLE
O-Ring
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
5340-01-273-57432646 INTERCHANGEABLE
Cap,filler Opening
Wisco Products Inc
5950-01-350-09602646 INTERCHANGEABLE
Transformer,power
Vaisala Inc.
6130-01-394-25752646 INTERCHANGEABLE
Power Supply
Modular Devices Inc Dba Modular Devices Inc
6515-01-590-89052646 INTERCHANGEABLE
Sensor,oxygen Monitoring
Masimo Corporation
5935-01-624-97752646 INTERCHANGEABLE
Connector,plug,electrical
Heyco Inc Dba Heyco Products
Cross-Reference Index
Part NumberManufacturer
2646 PRIMARY Clayton Manufacturing Company (USA)
Related Parts
5930-00-110-0829INTERCHANGEABLE
SWITCH,ROTARY
2646
3110-00-111-7343INTERCHANGEABLE
BEARING,BALL,ANNULAR
02-0646-20
5330-00-252-3908INTERCHANGEABLE
GASKET
5970-01-028-4433INTERCHANGEABLE
INSULATOR,STANDOFF
2646
5331-01-038-0926INTERCHANGEABLE
O-RING
757 262
5340-01-273-5743INTERCHANGEABLE
CAP,FILLER OPENING
2646
5950-01-350-0960INTERCHANGEABLE
TRANSFORMER,POWER
2646
6130-01-394-2575INTERCHANGEABLE
POWER SUPPLY
2646
6515-01-590-8905INTERCHANGEABLE
SENSOR,OXYGEN MONITORING
2646
5935-01-624-9775INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
2646
5120-01-651-6528INTERCHANGEABLE
SCREWDRIVER,FLAT TIP
2646
5935-01-669-6647INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL

Frequently Asked Questions

What is NSN 5305-01-047-7841?

NSN 5305-01-047-7841 is a Screw,cap,hexagon Head, manufactured by Clayton Manufacturing Company, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-047-7841?

NSN 5305-01-047-7841 has 1 cross-referenced part number: 2646 (Clayton Manufacturing Company).

What NSN replaces 5305-01-047-7841?

There are 12 known substitutes for 5305-01-047-7841: 5930-00-110-0829, 3110-00-111-7343, 5330-00-252-3908 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2646?

Key specifications for 2646: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Material: IRON OVERALL; Fastener Length: 1.750 INCHES MINIMUM IN; Thread Direction: RIGHT-HAND. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com