PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8543Screw,machine

Telemechanics Inc · NSN 5305-00-286-4006 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-286-4006 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-286-4006. Primary manufacturer part number: 8543.
Features
  • Screw,machine — FSC 5305
  • Head Diameter: 0.250 INCHES NOMINAL IN
  • Internal Drive Style: SLOT
  • Nominal Thread Diameter: 0.138 INCHES IN
  • Head Style: FILLISTER
  • Thread Length: 0.250 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
  • Thread Class: 3A A
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-286-4006, 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 15 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-286-4006
Primary Part Number8543
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Head Diameter0.250 INCHES NOMINAL IN
Internal Drive StyleSLOT
Nominal Thread Diameter0.138 INCHES IN
Head StyleFILLISTER
Thread Length0.250 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Class3A A
Fastener Length0.250 INCHES MAXIMUM IN
Test Data Document59433-8543 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Features ProvidedCASEHARDENED
Thread Quantity Per Inch40
Thread Series DesignatorUNF
Head Height0.047 INCHES NOMINAL IN
Screw Surface TreatmentCHROMATE ZINC
Screw MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
3010-01-030-4967 INTERCHANGEABLE
Coupling,shaft,flexible
5365-01-132-27158543 INTERCHANGEABLE
Spacer,sleeve
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5365-01-137-76828543 15990 INTERCHANGEABLE
Shim
The Gorman-Rupp Company Div Gorman-Rupp
3010-01-189-42408543 INTERCHANGEABLE
Clutch,plate,searchlight
Carlisle & Finch Co
3030-01-221-20838543 INTERCHANGEABLE
Belt,v
Gates Corporation
7310-01-249-66738543 INTERCHANGEABLE
Coffee Maker,automatic
Bloomfield Industries
8105-01-288-7902 INTERCHANGEABLE
Bag,textile
1680-01-651-69788543 INTERCHANGEABLE
G2 Galley Water
Howe Machine & Tool Corp. Dba Howe Machine & Tool Corp
4320-01-652-4251 INTERCHANGEABLE
Pump Unit,reciprocating
Cross-Reference Index
Part NumberManufacturer
8543 PRIMARY Telemechanics Inc (USA)
8543 At and T Corp (USA)
Related Parts
3010-01-030-4967INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
5365-01-132-2715INTERCHANGEABLE
SPACER,SLEEVE
8543
5365-01-137-7682INTERCHANGEABLE
SHIM
8543 15990
3010-01-189-4240INTERCHANGEABLE
CLUTCH,PLATE,SEARCHLIGHT
8543
3030-01-221-2083INTERCHANGEABLE
BELT,V
8543
7310-01-249-6673INTERCHANGEABLE
COFFEE MAKER,AUTOMATIC
8543
8105-01-288-7902INTERCHANGEABLE
BAG,TEXTILE
1680-01-651-6978INTERCHANGEABLE
G2 GALLEY WATER
8543
4320-01-652-4251INTERCHANGEABLE
PUMP UNIT,RECIPROCATING

Frequently Asked Questions

What is NSN 5305-00-286-4006?

NSN 5305-00-286-4006 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 5305-00-286-4006?

NSN 5305-00-286-4006 has 2 cross-referenced part numbers: 8543 (Telemechanics Inc), 8543 (At and T Corp).

What NSN replaces 5305-00-286-4006?

There are 9 known substitutes for 5305-00-286-4006: 3010-01-030-4967, 5365-01-132-2715, 5365-01-137-7682 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8543?

Key specifications for 8543: Head Diameter: 0.250 INCHES NOMINAL IN; Internal Drive Style: SLOT; Nominal Thread Diameter: 0.138 INCHES IN; Head Style: FILLISTER. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-286-4006 still in active supply?

NSN 5305-00-286-4006 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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