PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6401Setscrew

Clayton Manufacturing Company · NSN 5305-01-061-8346 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-061-8346 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-061-8346. Primary manufacturer part number: 6401.
Features
  • Setscrew — FSC 5305
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Point Style: CUP
  • Thread Quantity Per Inch: 20
  • Fastener Length: 0.500 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Head Style: HEADLESS (SETSCREW)
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Setscrew, cataloged under National Stock Number 5305-01-061-8346, 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 9 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
NSN5305-01-061-8346
Primary Part Number6401
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerClayton Manufacturing Company
StatusACTIVE
Nominal Thread Diameter0.250 INCHES IN
Point StyleCUP
Thread Quantity Per Inch20
Fastener Length0.500 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head StyleHEADLESS (SETSCREW)
Thread Length0.500 INCHES NOMINAL IN
Internal Drive StyleW/O INTERNAL DRIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6625-00-025-4841 INTERCHANGEABLE
Analyzer,frequency Deviation
5940-00-110-1753 INTERCHANGEABLE
Terminal,lug
7510-00-149-0732SMA597833-3 INTERCHANGEABLE
Tape,pressure Sensitive Adhesive
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5945-00-238-5197 INTERCHANGEABLE
Relay,solid State
5915-00-496-20092920137-1 INTERCHANGEABLE
Filter,band Pass
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5950-00-553-72286401 INTERCHANGEABLE
Transformer,power Autotransforme
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
6695-00-847-83186401 INTERCHANGEABLE
Calibration Set,primary Referenc
Druck, Llc Dba Druck, Llc
4820-00-954-85316401 INTERCHANGEABLE
Valve,linear,directional Control
Tactair Fluid Controls Inc
4240-00-994-66536401-00 INTERCHANGEABLE
Case,storage and Transport,breat
Avox Systems Inc Dba Avox Systems Inc
6625-01-097-7435 INTERCHANGEABLE
Counter,electronic,digital Reado
Cross-Reference Index
Part NumberManufacturer
6401 PRIMARY Clayton Manufacturing Company (USA)
Related Parts
6625-00-025-4841INTERCHANGEABLE
ANALYZER,FREQUENCY DEVIATION
5940-00-110-1753INTERCHANGEABLE
TERMINAL,LUG
7510-00-149-0732INTERCHANGEABLE
TAPE,PRESSURE SENSITIVE ADHESIVE
SMA597833-3
5945-00-238-5197INTERCHANGEABLE
RELAY,SOLID STATE
5915-00-496-2009INTERCHANGEABLE
FILTER,BAND PASS
2920137-1
5950-00-553-7228INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
6401
6695-00-847-8318INTERCHANGEABLE
CALIBRATION SET,PRIMARY REFERENC
6401
4820-00-954-8531INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
6401
4240-00-994-6653INTERCHANGEABLE
CASE,STORAGE AND TRANSPORT,BREAT
6401-00
6625-01-097-7435INTERCHANGEABLE
COUNTER,ELECTRONIC,DIGITAL READO
5307-01-127-1417INTERCHANGEABLE
STUD,PLAIN
6401
5210-01-139-6262INTERCHANGEABLE
INDICATOR,DIAL
6401

Frequently Asked Questions

What is NSN 5305-01-061-8346?

NSN 5305-01-061-8346 is a Setscrew, manufactured by Clayton Manufacturing Company, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-061-8346?

NSN 5305-01-061-8346 has 1 cross-referenced part number: 6401 (Clayton Manufacturing Company).

What NSN replaces 5305-01-061-8346?

There are 12 known substitutes for 5305-01-061-8346: 6625-00-025-4841, 5940-00-110-1753, 7510-00-149-0732 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6401?

Key specifications for 6401: Nominal Thread Diameter: 0.250 INCHES IN; Point Style: CUP; Thread Quantity Per Inch: 20; Fastener Length: 0.500 INCHES NOMINAL IN. 9 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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