PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

331-030Screw,cap,socket Head

Malabar · NSN 5305-01-671-1103 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-671-1103 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-671-1103. Primary manufacturer part number: 331-030.
Features
  • Screw,cap,socket Head — FSC 5305
  • Thread Quantity Per Inch: 24
  • Fastener Length: 0.2500 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Diameter: 0.1900 INCHES IN
  • 1 verified cross-reference
  • Primary manufacturer: Malabar
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-671-1103, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Malabar. Government technical data includes 5 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: Active.

Technical Specifications
ParameterValue
NSN5305-01-671-1103
Primary Part Number331-030
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerMalabar
StatusACTIVE
Thread Quantity Per Inch24
Fastener Length0.2500 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Diameter0.1900 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5360-00-598-705126114 INTERCHANGEABLE
Spring,helical,extension
Aerol Llc
Cross-Reference Index
Part NumberManufacturer
331-030 PRIMARY Malabar (USA)
Related Parts
5360-00-598-7051INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
26114

Frequently Asked Questions

What is NSN 5305-01-671-1103?

NSN 5305-01-671-1103 is a Screw,cap,socket Head, manufactured by Malabar, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-671-1103?

NSN 5305-01-671-1103 has 1 cross-referenced part number: 331-030 (Malabar).

What NSN replaces 5305-01-671-1103?

There is 1 known substitute for 5305-01-671-1103: 5360-00-598-7051. Verify interchangeability with system specifications before substitution.

What are the specifications of 331-030?

Key specifications for 331-030: Thread Quantity Per Inch: 24; Fastener Length: 0.2500 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 7 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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