PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

72508Screw,machine

Telemechanics Inc · NSN 5305-00-286-3804 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-286-3804 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-286-3804. Primary manufacturer part number: 72508.
Features
  • Screw,machine — FSC 5305
  • Internal Drive Style: CROSS RECESS TYPE 1
  • Thread Series Designator: UNF
  • Features Provided: CASEHARDENED
  • Head Height: 0.094 INCHES NOMINAL IN
  • Screw Material: STEEL
  • Thread Quantity Per Inch: 40
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-286-3804, 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 14 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-286-3804
Primary Part Number72508
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Internal Drive StyleCROSS RECESS TYPE 1
Thread Series DesignatorUNF
Features ProvidedCASEHARDENED
Head Height0.094 INCHES NOMINAL IN
Screw MaterialSTEEL
Thread Quantity Per Inch40
Thread DirectionRIGHT-HAND
Screw Surface TreatmentNICKEL
Width Between Flats0.250 INCHES NOMINAL IN
Thread Length0.406 INCHES MINIMUM IN
Head StyleHEXAGON
Nominal Thread Diameter0.138 INCHES IN
Fastener Length0.750 INCHES NOMINAL IN
Thread Class3A A
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5950-00-880-149272508 INTERCHANGEABLE
Transformer,power
Inrcore, Llc Div Inrcore
5940-01-293-749272508 INTERCHANGEABLE
Terminal Board
Edo Artisan Inc
4820-01-623-703672508 INTERCHANGEABLE
Valve Assembly
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
72508 PRIMARY Telemechanics Inc (USA)
Related Parts
5950-00-880-1492INTERCHANGEABLE
TRANSFORMER,POWER
72508
5940-01-293-7492INTERCHANGEABLE
TERMINAL BOARD
72508
4820-01-623-7036INTERCHANGEABLE
VALVE ASSEMBLY
72508

Frequently Asked Questions

What is NSN 5305-00-286-3804?

NSN 5305-00-286-3804 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 5305-00-286-3804?

NSN 5305-00-286-3804 has 1 cross-referenced part number: 72508 (Telemechanics Inc).

What NSN replaces 5305-00-286-3804?

There are 3 known substitutes for 5305-00-286-3804: 5950-00-880-1492, 5940-01-293-7492, 4820-01-623-7036. Verify interchangeability with system specifications before substitution.

What are the specifications of 72508?

Key specifications for 72508: Internal Drive Style: CROSS RECESS TYPE 1; Thread Series Designator: UNF; Features Provided: CASEHARDENED; Head Height: 0.094 INCHES NOMINAL IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-286-3804 still in active supply?

NSN 5305-00-286-3804 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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