PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DIN912-M3X20-A4Screw,cap,socket Head

Zelenda Machine and Tools Corp · NSN 5305-01-378-8820 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-378-8820 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-378-8820. Primary manufacturer part number: DIN912-M3X20-A4.
Features
  • Screw,cap,socket Head — FSC 5305
  • Head Height: 3.0 MILLIMETERS NOMINAL MM
  • Head Diameter: 5.5 MILLIMETERS NOMINAL MM
  • Width Across Flats: 2.5 MILLIMETERS NOMINAL MM
  • Surface Treatment: ZINC OVERALL
  • Material: STEEL PROPERTY CLASS 12.9 OVERALL
  • Thread Series Designator: M
  • Thread Pitch in Millimeters: 0.5
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Property Class 12.9 Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-378-8820, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Zelenda Machine and Tools Corp. Government technical data includes 14 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
NSN5305-01-378-8820
Primary Part NumberDIN912-M3X20-A4
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerZelenda Machine and Tools Corp
StatusACTIVE
Head Height3.0 MILLIMETERS NOMINAL MM
Head Diameter5.5 MILLIMETERS NOMINAL MM
Width Across Flats2.5 MILLIMETERS NOMINAL MM
Surface TreatmentZINC OVERALL
MaterialSTEEL PROPERTY CLASS 12.9 OVERALL
Thread Series DesignatorM
Thread Pitch in Millimeters0.5
Thread DirectionRIGHT-HAND
External Thread Tolerance Class6G G
Nominal Thread Diameter3.0 MILLIMETERS MM
Internal Drive StyleHEXAGON
Head StyleFLAT CHAMFER
Fastener Length20.0 MILLIMETERS NOMINAL MM
Thread Length18.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5305-00-528-276815A7332 INTERCHANGEABLE
Screw
Napco International Llc Dba Napco International Inc
5840-00-925-4464102723 INTERCHANGEABLE
Support,cover,radar Set Turntabl
L3harris Technologies, Inc Div Space & Airborne Systems
Cross-Reference Index
Part NumberManufacturer
DIN912-M3X20-A4 Zelenda Machine and Tools Corp (USA)
102723 Alvis Moelv As Tidl Hagglundsmoelvas (NOR)
Related Parts
5305-00-528-2768INTERCHANGEABLE
SCREW
15A7332
5840-00-925-4464INTERCHANGEABLE
SUPPORT,COVER,RADAR SET TURNTABL
102723

Frequently Asked Questions

What is NSN 5305-01-378-8820?

NSN 5305-01-378-8820 is a Screw,cap,socket Head, manufactured by Zelenda Machine and Tools Corp, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-378-8820?

NSN 5305-01-378-8820 has 2 cross-referenced part numbers: DIN912-M3X20-A4 (Zelenda Machine and Tools Corp), 102723 (Alvis Moelv As Tidl Hagglundsmoelvas).

What NSN replaces 5305-01-378-8820?

There are 2 known substitutes for 5305-01-378-8820: 5305-00-528-2768, 5840-00-925-4464. Verify interchangeability with system specifications before substitution.

What are the specifications of DIN912-M3X20-A4?

Key specifications for DIN912-M3X20-A4: Head Height: 3.0 MILLIMETERS NOMINAL MM; Head Diameter: 5.5 MILLIMETERS NOMINAL MM; Width Across Flats: 2.5 MILLIMETERS NOMINAL MM; Surface Treatment: ZINC OVERALL. 14 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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