PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ISO10642-M4X20-12.9Screw,cap,socket Head

International Organization for Standardization (iso) · NSN 5305-01-565-2610 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-565-2610 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-565-2610. Primary manufacturer part number: ISO10642-M4X20-12.9.
Features
  • Screw,cap,socket Head — FSC 5305
  • Nominal Thread Diameter: 4.0 MILLIMETERS MM
  • Head Diameter: 8.0 MILLIMETERS NOMINAL MM
  • Internal Drive Style: HEXAGON
  • Thread Class: 5G6G
  • Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
  • Material: STEEL PROPERTY CLASS 12.9 OVERALL
  • Thread Pitch in Millimeters: 7.0
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 5305-01-565-2610, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is International Organization for Standardization (iso). Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-565-2610
Primary Part NumberISO10642-M4X20-12.9
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerInternational Organization for Standardization (iso)
StatusACTIVE
Nominal Thread Diameter4.0 MILLIMETERS MM
Head Diameter8.0 MILLIMETERS NOMINAL MM
Internal Drive StyleHEXAGON
Thread Class5G6G
Hardness Rating32.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
MaterialSTEEL PROPERTY CLASS 12.9 OVERALL
Thread Pitch in Millimeters7.0
Countersink Angle90.0 DEGREES NOMINAL
Material Document and ClassificationISO8992 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread Series DesignatorISO M
Fastener Length20.0 MILLIMETERS NOMINAL MM
Minimum Tensile Strength8560 POUNDS PER SQUARE INCH LBS
Head StyleFLAT COUNTERSUNK
Thread DirectionRIGHT-HAND
Head Height2.3 MILLIMETERS NOMINAL MM
Thread Length20.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
2930-00-192-9266 INTERCHANGEABLE
Lever,radiator Shut
6130-00-420-409210642 INTERCHANGEABLE
Power Supply
Weigh-Tronix Inc
5950-00-847-769410642 INTERCHANGEABLE
Transformer
Continental Electronics Corp
4730-01-250-4589 INTERCHANGEABLE
Clamp,hose,special-Shaped
5305-01-298-7766DPH7900-4-B(2.5) INTERCHANGEABLE
Screw Assembly,panel
Huck International, Inc
5935-01-396-3988 INTERCHANGEABLE
Adapter,connector
3030-01-412-9589106-42 INTERCHANGEABLE
Belt,v
Ability Plastics Inc.
5998-01-418-32571064-2 INTERCHANGEABLE
Electronic Components Assembly
Aerojet Rocketdyne, Inc. Div in Space Propulsion
4810-01-445-2365B10642T14 INTERCHANGEABLE
Disk,valve
Circor Aerospace, Inc. Dba Circor Aerospace Inc
5975-01-547-9653AF001A INTERCHANGEABLE
Rack,electrical Equipment
Hewlett-Packard Company Dba HP
Cross-Reference Index
Part NumberManufacturer
ISO10642-M4X20-A2 International Organization for Standardization (iso) (CHE)
10642 International Organization for Standardization (iso) (CHE)
ISO10642-M4X20-12.9 PRIMARY International Organization for Standardization (iso) (CHE)
Related Parts
2930-00-192-9266INTERCHANGEABLE
LEVER,RADIATOR SHUT
6130-00-420-4092INTERCHANGEABLE
POWER SUPPLY
10642
5950-00-847-7694INTERCHANGEABLE
TRANSFORMER
10642
4730-01-250-4589INTERCHANGEABLE
CLAMP,HOSE,SPECIAL-SHAPED
5305-01-298-7766INTERCHANGEABLE
SCREW ASSEMBLY,PANEL
DPH7900-4-B(2.5)
5935-01-396-3988INTERCHANGEABLE
ADAPTER,CONNECTOR
3030-01-412-9589INTERCHANGEABLE
BELT,V
106-42
5998-01-418-3257INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
1064-2
4810-01-445-2365INTERCHANGEABLE
DISK,VALVE
B10642T14
5975-01-547-9653INTERCHANGEABLE
RACK,ELECTRICAL EQUIPMENT
AF001A

Frequently Asked Questions

What is NSN 5305-01-565-2610?

NSN 5305-01-565-2610 is a Screw,cap,socket Head, manufactured by International Organization for Standardization (iso), classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-565-2610?

NSN 5305-01-565-2610 has 3 cross-referenced part numbers: ISO10642-M4X20-A2 (International Organization for Standardization (iso)), 10642 (International Organization for Standardization (iso)), ISO10642-M4X20-12.9 (International Organization for Standardization (iso)).

What NSN replaces 5305-01-565-2610?

There are 10 known substitutes for 5305-01-565-2610: 2930-00-192-9266, 6130-00-420-4092, 5950-00-847-7694 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ISO10642-M4X20-12.9?

Key specifications for ISO10642-M4X20-12.9: Nominal Thread Diameter: 4.0 MILLIMETERS MM; Head Diameter: 8.0 MILLIMETERS NOMINAL MM; End Item Identification: 1010-01-020-5626, MORTAR,60 MILLIMETER MM; Internal Drive Style: HEXAGON. 18 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