PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

93191Screw,machine

Telemechanics Inc · NSN 5305-00-297-8517 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-297-8517 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-297-8517. Primary manufacturer part number: 93191.
Features
  • Screw,machine — FSC 5305
  • Thread Class: 3A A
  • Countersink Angle: 82.0 DEGREES NOMINAL
  • Nominal Thread Diameter: 0.112 INCHES IN
  • Thread Direction: RIGHT-HAND
  • Head Style: FLAT COUNTERSUNK
  • Thread Length: 0.266 INCHES MAXIMUM IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-297-8517, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-297-8517
Primary Part Number93191
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Thread Class3A A
Countersink Angle82.0 DEGREES NOMINAL
Nominal Thread Diameter0.112 INCHES IN
Thread DirectionRIGHT-HAND
Head StyleFLAT COUNTERSUNK
Thread Length0.266 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Screw Surface TreatmentCHROMATE ZINC
Screw MaterialSTEEL
Internal Drive StyleSLOT
Head Diameter0.216 INCHES NOMINAL IN
Test Data Document93191-59433 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)
Fastener Length0.312 INCHES MAXIMUM IN
Thread Quantity Per Inch40
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5985-01-032-7910 INTERCHANGEABLE
Attenuator,variable
Cross-Reference Index
Part NumberManufacturer
93191 PRIMARY Telemechanics Inc (USA)
Related Parts
5985-01-032-7910INTERCHANGEABLE
ATTENUATOR,VARIABLE

Frequently Asked Questions

What is NSN 5305-00-297-8517?

NSN 5305-00-297-8517 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 5305-00-297-8517?

NSN 5305-00-297-8517 has 1 cross-referenced part number: 93191 (Telemechanics Inc).

What NSN replaces 5305-00-297-8517?

There is 1 known substitute for 5305-00-297-8517: 5985-01-032-7910. Verify interchangeability with system specifications before substitution.

What are the specifications of 93191?

Key specifications for 93191: Thread Class: 3A A; Countersink Angle: 82.0 DEGREES NOMINAL; Nominal Thread Diameter: 0.112 INCHES IN; Thread Direction: RIGHT-HAND. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-297-8517 still in active supply?

NSN 5305-00-297-8517 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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