PartsTable TECHNICAL DATA SHEET
NSN 5305-00-285-4609Government record, cited

Setscrew5305-00-285-4609

NSN 5305-00-285-4609 · NIIN 002854609
FSC 5305 — Screws · FSG 53 — Hardware and Abrasives
Government record, cited
Also searched as  5305-00-285-4609 · 5305002854609 · NIIN 002854609 · 00-285-4609 · FSC 5305 Screws
Nearby stock numbers  ·
Features
  • Setscrew — FSC 5305
  • Width Across Flats: 0.050 INCHES NOMINAL IN
  • Fastener Length: 0.250 INCHES NOMINAL IN
  • Thread Length: 0.250 INCHES MAXIMUM IN
  • Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
  • Nominal Thread Diameter: 0.112 INCHES IN
  • Head Style: HEADLESS (SETSCREW)
  • Thread Direction: RIGHT-HAND
Identification
  • NSN: 5305-00-285-4609
  • NIIN: 002854609
  • FSC: 5305 — Screws
  • FSG: 53 — Hardware and Abrasives
General Description

The Setscrew, cataloged under National Stock Number 5305-00-285-4609, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
NSN5305-00-285-4609
Item NameSetscrew
FSC / FSG5305 / 53 — Screws
StatusACTIVE
Width Across Flats0.050 INCHES NOMINAL IN
Fastener Length0.250 INCHES NOMINAL IN
Thread Length0.250 INCHES MAXIMUM IN
Hardness Rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
Nominal Thread Diameter0.112 INCHES IN
Head StyleHEADLESS (SETSCREW)
Thread DirectionRIGHT-HAND
Point StyleCUP
Nondefinitive Spec/std Data3 TYPE AND 4 STYLE
Surface TreatmentCADMIUM OR ZINC OVERALL
Internal Drive StyleHEXAGON
Thread Class3A A
Thread Quantity Per Inch40
MaterialSTEEL OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
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
FFS103TYPE3STYLE4 4/1 Identification reference
U.S. Government activity
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 5305-00-285-4609?

NSN 5305-00-285-4609 is a Setscrew, classified under FSC 5305, Screws. Status: active.

What are the specifications of 5305-00-285-4609?

Key specifications for 5305-00-285-4609: Width Across Flats: 0.050 INCHES NOMINAL IN; Fastener Length: 0.250 INCHES NOMINAL IN; Thread Length: 0.250 INCHES MAXIMUM IN; Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL. 15 specifications are documented in the U.S. Government catalog.

Is NSN 5305-00-285-4609 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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