PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44018Screw,cap,socket Head

Safety Socket Llc · NSN 5305-01-591-5717 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-591-5717 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-591-5717. Primary manufacturer part number: 44018.
Features
  • Screw,cap,socket Head — FSC 5305
  • Fastener Length: 0.375 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.112 INCHES IN
  • Thread Direction: RIGHT-HAND
  • Width Across Flats: 0.094 INCHES NOMINAL IN
  • Thread Length: 0.375 INCHES NOMINAL IN
  • Head Diameter: 0.176 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN
  • Head Height: 0.108 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-591-5717, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Safety Socket Llc. Government technical data includes 13 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-591-5717
Primary Part Number44018
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerSafety Socket Llc
StatusACTIVE
Fastener Length0.375 INCHES NOMINAL IN
Nominal Thread Diameter0.112 INCHES IN
Thread DirectionRIGHT-HAND
Width Across Flats0.094 INCHES NOMINAL IN
Thread Length0.375 INCHES NOMINAL IN
Head Diameter0.176 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN
Head Height0.108 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN
Thread Class3A A
Thread Quantity Per Inch40
Internal Drive StyleHEXAGON
Head StylePAN NO. 2
MaterialSTEEL OVERALL
Thread Series DesignatorUNRC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5133-00-227-9660 INTERCHANGEABLE
Drill,twist
6615-00-235-762944018 INTERCHANGEABLE
Stator Assembly,syn
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
5330-00-579-9593 INTERCHANGEABLE
Gasket
6520-01-060-9516 INTERCHANGEABLE
Sealing Compound,pulp Canal,dent
5905-01-064-4860533693-201 INTERCHANGEABLE
Resistor,thermal
Raytheon Company Dba Raytheon
6625-01-249-450344018 INTERCHANGEABLE
Case,test Set
Biotek Instruments, Inc. Dba Biotek Div Bio-Tek Instruments Llc Dba Biotek Instruments Inc.
3020-01-392-6659 INTERCHANGEABLE
Gear,spur
7045-01-451-4605 INTERCHANGEABLE
Disk,nonflexible
8030-01-649-5315 INTERCHANGEABLE
Antiseize Compound
Cross-Reference Index
Part NumberManufacturer
44018 PRIMARY Safety Socket Llc (USA)
Related Parts
5133-00-227-9660INTERCHANGEABLE
DRILL,TWIST
6615-00-235-7629INTERCHANGEABLE
STATOR ASSEMBLY,SYN
44018
5330-00-579-9593INTERCHANGEABLE
GASKET
6520-01-060-9516INTERCHANGEABLE
SEALING COMPOUND,PULP CANAL,DENT
5905-01-064-4860INTERCHANGEABLE
RESISTOR,THERMAL
533693-201
6625-01-249-4503INTERCHANGEABLE
CASE,TEST SET
44018
3020-01-392-6659INTERCHANGEABLE
GEAR,SPUR
7045-01-451-4605INTERCHANGEABLE
DISK,NONFLEXIBLE
8030-01-649-5315INTERCHANGEABLE
ANTISEIZE COMPOUND

Frequently Asked Questions

What is NSN 5305-01-591-5717?

NSN 5305-01-591-5717 is a Screw,cap,socket Head, manufactured by Safety Socket Llc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-591-5717?

NSN 5305-01-591-5717 has 1 cross-referenced part number: 44018 (Safety Socket Llc).

What NSN replaces 5305-01-591-5717?

There are 9 known substitutes for 5305-01-591-5717: 5133-00-227-9660, 6615-00-235-7629, 5330-00-579-9593 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 44018?

Key specifications for 44018: Fastener Length: 0.375 INCHES NOMINAL IN; Nominal Thread Diameter: 0.112 INCHES IN; Thread Direction: RIGHT-HAND; Width Across Flats: 0.094 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com