PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19931Screw,cap,hexagon Head

Fastenal Company Dba Fastenal Co · NSN 5305-01-588-1585 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-588-1585 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-588-1585. Primary manufacturer part number: 19931.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Surface Treatment: ZINC OVERALL
  • Thread Length: 1.000 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 16
  • Fastener Length: 1.000 INCHES NOMINAL IN
  • Head Style: HEXAGON EXTENDED WASHER
  • Thread Direction: RIGHT-HAND
  • 2 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-588-1585, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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: Active.

Technical Specifications
ParameterValue
NSN5305-01-588-1585
Primary Part Number19931
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusACTIVE
Surface TreatmentZINC OVERALL
Thread Length1.000 INCHES NOMINAL IN
Thread Quantity Per Inch16
Fastener Length1.000 INCHES NOMINAL IN
Head StyleHEXAGON EXTENDED WASHER
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-00-648-253119931 INTERCHANGEABLE
Transformer,audio Frequency
Freed Transformer Co
8105-00-782-8952199-31 INTERCHANGEABLE
Bag,textile
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
6140-01-576-807419931 INTERCHANGEABLE
Battery Set
Cochran Consulting Inc Dba Cochran Undersea Technology
Cross-Reference Index
Part NumberManufacturer
19931 PRIMARY Fastenal Company Dba Fastenal Co (USA)
12759-01009 PRIMARY Fastenal Company Dba Fastenal Co (USA)
Related Parts
5950-00-648-2531INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
19931
8105-00-782-8952INTERCHANGEABLE
BAG,TEXTILE
199-31
6140-01-576-8074INTERCHANGEABLE
BATTERY SET
19931

Frequently Asked Questions

What is NSN 5305-01-588-1585?

NSN 5305-01-588-1585 is a Screw,cap,hexagon Head, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-588-1585?

NSN 5305-01-588-1585 has 2 cross-referenced part numbers: 19931 (Fastenal Company Dba Fastenal Co), 12759-01009 (Fastenal Company Dba Fastenal Co).

What NSN replaces 5305-01-588-1585?

There are 3 known substitutes for 5305-01-588-1585: 5950-00-648-2531, 8105-00-782-8952, 6140-01-576-8074. Verify interchangeability with system specifications before substitution.

What are the specifications of 19931?

Key specifications for 19931: Surface Treatment: ZINC OVERALL; Thread Length: 1.000 INCHES NOMINAL IN; Thread Quantity Per Inch: 16; Fastener Length: 1.000 INCHES NOMINAL IN. 8 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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