PartsTable TECHNICAL DATA SHEET
NSN 5305-01-669-5286Government record, cited

Screw, Cap, Socket Head5305-01-669-5286

NSN 5305-01-669-5286 · NIIN 016695286 · Part number MS2580050A40000
Fastenal Company · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 3CN65
Government record, cited
NSN 5305-01-669-5286 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-669-5286. Manufacturer of record part number: MS2580050A40000.
Also searched as  5305-01-669-5286 · 5305016695286 · NIIN 016695286 · 01-669-5286 · FSC 5305 Screws · CAGE 3CN65 · MS2580050A40000
Nearby stock numbers  ·
Features
  • Screw,cap,socket Head — FSC 5305
  • Width Across Flats: 6.0 MILLIMETERS NOMINAL MM
  • Fastener Length: 50.0 MILLIMETERS NOMINAL MM
  • Thread Pitch in Millimeters: 1.25
  • Nominal Thread Diameter: 8.0 MILLIMETERS MM
  • Head Style: FLAT FILLISTER
  • Thread Direction: RIGHT-HAND
  • Internal Drive Style: HEXAGON
Identification
  • NSN: 5305-01-669-5286
  • NIIN: 016695286
  • FSC: 5305 — Screws
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: MS2580050A40000
  • Manufacturer: Fastenal Company
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-669-5286, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-669-5286
Primary Part NumberMS2580050A40000
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — Screws
ManufacturerFastenal Company
StatusACTIVE
Width Across Flats6.0 MILLIMETERS NOMINAL MM
Fastener Length50.0 MILLIMETERS NOMINAL MM
Thread Pitch in Millimeters1.25
Nominal Thread Diameter8.0 MILLIMETERS MM
Head StyleFLAT FILLISTER
Thread DirectionRIGHT-HAND
Internal Drive StyleHEXAGON
MaterialSTEEL CORROSION RESISTING OVERALL
Thread Series DesignatorISO M
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
MS2580050A40000 PRIMARY Fastenal Company (USA)
No interchangeability data on file.
Other items in FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016
5305-00-001-5016 · Item name not on file
5305-00-001-9160
5305-00-001-9160 · Item name not on file
5305-00-001-9629
SCREW,ADJUSTING CLEVIS
5305-00-001-9742
5305-00-001-9742 · Item name not on file
5305-00-001-9768
SCREW,CAP,SOCKET HEAD
5305-00-003-4306
SCREW,MACHINE
5305-00-003-6694
5305-00-003-6694 · Item name not on file
5305-00-003-6753
5305-00-003-6753 · Item name not on file

Frequently Asked Questions

What is NSN 5305-01-669-5286?

NSN 5305-01-669-5286 is a Screw,cap,socket Head, manufactured by Fastenal Company, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-669-5286?

NSN 5305-01-669-5286 has 1 manufacturer part number on file: MS2580050A40000 (Fastenal Company).

What are the specifications of MS2580050A40000?

Key specifications for MS2580050A40000: Width Across Flats: 6.0 MILLIMETERS NOMINAL MM; Fastener Length: 50.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 1.25; Nominal Thread Diameter: 8.0 MILLIMETERS MM. 9 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-669-5286 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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