PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

X208Screw,cap,hexagon Head

Endries International, Inc. Dba Servtonics, an Endries International, Inc. · NSN 5305-01-644-0692 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-644-0692 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-644-0692. Primary manufacturer part number: X208.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Head Style: HEXAGON
  • Thread Class: 2A A
  • Head Height: 0.200 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.312 INCHES IN
  • Width Between Flats: 0.500 INCHES NOMINAL IN
  • Thread Length: 0.880 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-644-0692, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Endries International, Inc. Dba Servtonics, an Endries International, Inc.. Government technical data includes 10 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: Active.

Technical Specifications
ParameterValue
NSN5305-01-644-0692
Primary Part NumberX208
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerEndries International, Inc. Dba Servtonics, an Endries International, Inc.
StatusACTIVE
Head StyleHEXAGON
Thread Class2A A
Head Height0.200 INCHES NOMINAL IN
Nominal Thread Diameter0.312 INCHES IN
Width Between Flats0.500 INCHES NOMINAL IN
Thread Length0.880 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Fastener Length2.000 INCHES NOMINAL IN
Thread Quantity Per Inch18
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5360-00-496-2006A1482A INTERCHANGEABLE
Spring,helical,torsion
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
5331-01-281-9000 INTERCHANGEABLE
O-Ring
3040-01-407-185917243 INTERCHANGEABLE
Guide,spindle
Coffin Turbo Pump Inc
Cross-Reference Index
Part NumberManufacturer
X208 PRIMARY Endries International, Inc. Dba Servtonics, an Endries International, Inc. (USA)
Related Parts
5360-00-496-2006INTERCHANGEABLE
SPRING,HELICAL,TORSION
A1482A
5331-01-281-9000INTERCHANGEABLE
O-RING
3040-01-407-1859INTERCHANGEABLE
GUIDE,SPINDLE
17243

Frequently Asked Questions

What is NSN 5305-01-644-0692?

NSN 5305-01-644-0692 is a Screw,cap,hexagon Head, manufactured by Endries International, Inc. Dba Servtonics, an Endries International, Inc., classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-644-0692?

NSN 5305-01-644-0692 has 1 cross-referenced part number: X208 (Endries International, Inc. Dba Servtonics, an Endries International, Inc.).

What NSN replaces 5305-01-644-0692?

There are 3 known substitutes for 5305-01-644-0692: 5360-00-496-2006, 5331-01-281-9000, 3040-01-407-1859. Verify interchangeability with system specifications before substitution.

What are the specifications of X208?

Key specifications for X208: Head Style: HEXAGON; Thread Class: 2A A; Head Height: 0.200 INCHES NOMINAL IN; Nominal Thread Diameter: 0.312 INCHES IN. 12 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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