PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6344Screw,machine

Telemechanics Inc · NSN 5305-00-286-3866 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-286-3866 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-286-3866. Primary manufacturer part number: 6344.
Features
  • Screw,machine — FSC 5305
  • Thread Class: 2A A
  • Thread Length: 0.344 INCHES MAXIMUM IN
  • Screw Material: STEEL
  • Thread Direction: RIGHT-HAND
  • Head Height: 0.094 INCHES NOMINAL IN
  • Screw Surface Treatment: NICKEL
  • Width Between Flats: 0.187 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-286-3866, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Telemechanics Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-286-3866
Primary Part Number6344
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Thread Class2A A
Thread Length0.344 INCHES MAXIMUM IN
Screw MaterialSTEEL
Thread DirectionRIGHT-HAND
Head Height0.094 INCHES NOMINAL IN
Screw Surface TreatmentNICKEL
Width Between Flats0.187 INCHES NOMINAL IN
Head StyleHEXAGON
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Diameter0.138 INCHES IN
Internal Drive StyleCROSS RECESS TYPE 1
Fastener Length0.344 INCHES NOMINAL IN
Thread Quantity Per Inch32
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
8345-00-261-2951 INTERCHANGEABLE
Flag,national
8345-00-263-2529 INTERCHANGEABLE
Flag,national
8345-00-264-2616 INTERCHANGEABLE
Flag,national
5315-00-269-7105180234PC6 INTERCHANGEABLE
Key,machine
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5905-00-279-8606 INTERCHANGEABLE
Resistor,adjustable
2805-00-308-8029838884 INTERCHANGEABLE
Retainer
General Motors Corp
5310-00-599-9753 INTERCHANGEABLE
Washer,flat
6660-00-612-31776344 INTERCHANGEABLE
Pen Lifter Assembly
Belfort Instrument Company
5910-00-791-2643 INTERCHANGEABLE
Capacitor,fixed,metallized,paper
5950-00-968-5432142210-01 INTERCHANGEABLE
Transformer,power
Ge Aviation Systems Llc
Cross-Reference Index
Part NumberManufacturer
6344 PRIMARY Telemechanics Inc (USA)
6344 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
8345-00-261-2951INTERCHANGEABLE
FLAG,NATIONAL
8345-00-263-2529INTERCHANGEABLE
FLAG,NATIONAL
8345-00-264-2616INTERCHANGEABLE
FLAG,NATIONAL
5315-00-269-7105INTERCHANGEABLE
KEY,MACHINE
180234PC6
5905-00-279-8606INTERCHANGEABLE
RESISTOR,ADJUSTABLE
2805-00-308-8029INTERCHANGEABLE
RETAINER
838884
5310-00-599-9753INTERCHANGEABLE
WASHER,FLAT
6660-00-612-3177INTERCHANGEABLE
PEN LIFTER ASSEMBLY
6344
5910-00-791-2643INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
5950-00-968-5432INTERCHANGEABLE
TRANSFORMER,POWER
142210-01
3120-00-992-4047INTERCHANGEABLE
BEARING,SLEEVE
6344
4730-01-174-5928INTERCHANGEABLE
VENT FITTING BODY
6344

Frequently Asked Questions

What is NSN 5305-00-286-3866?

NSN 5305-00-286-3866 is a Screw,machine, manufactured by Telemechanics Inc, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-286-3866?

NSN 5305-00-286-3866 has 2 cross-referenced part numbers: 6344 (Telemechanics Inc), 6344 (Zf Industrieantriebe Witten Gmbh).

What NSN replaces 5305-00-286-3866?

There are 12 known substitutes for 5305-00-286-3866: 8345-00-261-2951, 8345-00-263-2529, 8345-00-264-2616 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6344?

Key specifications for 6344: Thread Class: 2A A; Thread Length: 0.344 INCHES MAXIMUM IN; Screw Material: STEEL; Thread Direction: RIGHT-HAND. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-286-3866 still in active supply?

NSN 5305-00-286-3866 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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