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NSN 5305-01-668-7678Government record, cited

Screw, Machine5305-01-668-7678

NSN 5305-01-668-7678 · NIIN 016687678
FSC 5305 — Screws · FSG 53 — Hardware and Abrasives
Government record, cited
Also searched as  5305-01-668-7678 · 5305016687678 · NIIN 016687678 · 01-668-7678 · FSC 5305 Screws
Nearby stock numbers  ·
Features
  • Screw,machine — FSC 5305
  • Head Height: 0.375 MILLIMETERS NOMINAL MM
  • Extended Washer Diameter: 0.187 MILLIMETERS NOMINAL MM
  • Thread Length: 1.50 MILLIMETERS NOMINAL MM
  • Nominal Thread Diameter: 20.0 MILLIMETERS MM
  • Locking Feature: KNURLED
  • Screw Material: STEEL
  • Head Diameter: 1.125 MILLIMETERS NOMINAL MM
Identification
  • NSN: 5305-01-668-7678
  • NIIN: 016687678
  • FSC: 5305 — Screws
  • FSG: 53 — Hardware and Abrasives
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-668-7678, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-668-7678
Item NameScrew,machine
FSC / FSG5305 / 53 — Screws
StatusACTIVE
Head Height0.375 MILLIMETERS NOMINAL MM
Extended Washer Diameter0.187 MILLIMETERS NOMINAL MM
Thread Length1.50 MILLIMETERS NOMINAL MM
Nominal Thread Diameter20.0 MILLIMETERS MM
Locking FeatureKNURLED
Screw MaterialSTEEL
Head Diameter1.125 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
CL-23615 3/9 Design control — primary reference
Beco Solid State Systems

Frequently Asked Questions

What is NSN 5305-01-668-7678?

NSN 5305-01-668-7678 is a Screw,machine, classified under FSC 5305, Screws. Status: active.

What are the specifications of 5305-01-668-7678?

Key specifications for 5305-01-668-7678: Head Height: 0.375 MILLIMETERS NOMINAL MM; Extended Washer Diameter: 0.187 MILLIMETERS NOMINAL MM; Thread Length: 1.50 MILLIMETERS NOMINAL MM; Nominal Thread Diameter: 20.0 MILLIMETERS MM. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-668-7678 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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