PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

863T0010508-007Screw,machine

Lockheed Martin Corp · NSN 5305-01-379-4245 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-379-4245 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-379-4245. Primary manufacturer part number: 863T0010508-007.
Features
  • Screw,machine — FSC 5305
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Screw Material: STEEL
  • Head Style: ROUND
  • Thread Direction: RIGHT-HAND
  • Head Height: 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
  • Thread Class: 2A A
  • Thread Length: 0.417 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-379-4245, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-379-4245
Primary Part Number863T0010508-007
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Screw MaterialSTEEL
Head StyleROUND
Thread DirectionRIGHT-HAND
Head Height0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
Thread Class2A A
Thread Length0.417 INCHES NOMINAL IN
Head Diameter0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
Internal Drive StyleCROSS RECESS TYPE 1
Fastener Length0.500 INCHES NOMINAL IN
Screw Material Document and ClassificationSAE J429 GR5 ASSN STD SINGLE MATERIAL RESPONSE
Nominal Thread Diameter0.190 INCHES IN
Thread Quantity Per Inch24
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5120-00-223-89641821 INTERCHANGEABLE
Guide,drill
Ridge Tool Company
4820-01-235-788835810 INTERCHANGEABLE
Valve,check
Aeroil Products Co Inc
Cross-Reference Index
Part NumberManufacturer
35810 Barnes Group Inc. Dba Barnes Distribution (USA)
863T0010508-007 PRIMARY Lockheed Martin Corp (USA)
Related Parts
5120-00-223-8964INTERCHANGEABLE
GUIDE,DRILL
1821
4820-01-235-7888INTERCHANGEABLE
VALVE,CHECK
35810

Frequently Asked Questions

What is NSN 5305-01-379-4245?

NSN 5305-01-379-4245 is a Screw,machine, manufactured by Lockheed Martin Corp, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-379-4245?

NSN 5305-01-379-4245 has 2 cross-referenced part numbers: 35810 (Barnes Group Inc. Dba Barnes Distribution), 863T0010508-007 (Lockheed Martin Corp).

What NSN replaces 5305-01-379-4245?

There are 2 known substitutes for 5305-01-379-4245: 5120-00-223-8964, 4820-01-235-7888. Verify interchangeability with system specifications before substitution.

What are the specifications of 863T0010508-007?

Key specifications for 863T0010508-007: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Screw Material: STEEL; Head Style: ROUND; Thread Direction: RIGHT-HAND. 13 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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