PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

39659Screw,cap,socket Head

Fastenal Company · NSN 5305-01-605-9202 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-605-9202 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-605-9202. Primary manufacturer part number: 39659.
Features
  • Screw,cap,socket Head — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Head Style: FLAT FILLISTER
  • Nominal Thread Diameter: 12.0 MILLIMETERS MM
  • Width Across Flats: 10.0 MILLIMETERS NOMINAL MM
  • Fastener Length: 55.0 MILLIMETERS NOMINAL MM
  • Thread Pitch in Millimeters: 1.75
  • Internal Drive Style: HEXAGON
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-605-9202, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company. Government technical data includes 11 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-605-9202
Primary Part Number39659
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFastenal Company
StatusACTIVE
Thread DirectionRIGHT-HAND
Head StyleFLAT FILLISTER
Nominal Thread Diameter12.0 MILLIMETERS MM
Width Across Flats10.0 MILLIMETERS NOMINAL MM
Fastener Length55.0 MILLIMETERS NOMINAL MM
Thread Pitch in Millimeters1.75
Internal Drive StyleHEXAGON
Thread Series DesignatorISO M
MaterialSTEEL OVERALL
Surface TreatmentOXIDE OVERALL
ColorBLACK OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-919-68162N3265 INTERCHANGEABLE
Transistor
Microsemi Corp - Massachusetts
3120-01-606-61383965-9 INTERCHANGEABLE
Bearing,plain,rod End
Pdi Ground Support Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
39659 PRIMARY Fastenal Company (USA)
Related Parts
5961-00-919-6816INTERCHANGEABLE
TRANSISTOR
2N3265
3120-01-606-6138INTERCHANGEABLE
BEARING,PLAIN,ROD END
3965-9

Frequently Asked Questions

What is NSN 5305-01-605-9202?

NSN 5305-01-605-9202 is a Screw,cap,socket Head, manufactured by Fastenal Company, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-605-9202?

NSN 5305-01-605-9202 has 1 cross-referenced part number: 39659 (Fastenal Company).

What NSN replaces 5305-01-605-9202?

There are 2 known substitutes for 5305-01-605-9202: 5961-00-919-6816, 3120-01-606-6138. Verify interchangeability with system specifications before substitution.

What are the specifications of 39659?

Key specifications for 39659: Special Features: GRADE 12.9; COARSE THREADS; Thread Direction: RIGHT-HAND; Head Style: FLAT FILLISTER; Nominal Thread Diameter: 12.0 MILLIMETERS MM. 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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