Fastener Length: 2.250 INCHES MINIMUM AND 2.300 INCHES MAXIMUM IN
Precious Material: GOLD
Thread Length: 1.000 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN
Surface Treatment: GOLD OVERALL
Internal Drive Style: SLOT
Material: COPPER ALLOY OVERALL
Identification
NSN: 5305-00-956-4166
NIIN: 009564166
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
General Description
The Setscrew, cataloged under National Stock Number 5305-00-956-4166, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
Parameter
Value
NSN
5305-00-956-4166
Item Name
Setscrew
FSC / FSG
5305 / 53 — Screws
Status
ACTIVE
Fastener Length
2.250 INCHES MINIMUM AND 2.300 INCHES MAXIMUM IN
Precious Material
GOLD
Thread Length
1.000 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN
Surface Treatment
GOLD OVERALL
Internal Drive Style
SLOT
Material
COPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
20000271
3/9Design control — primary reference
Waltham Clock Co Inc
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.
5305-00-000-0094
SCREW,CLOSE TOLERANCE
5305-00-000-0094
SCREW,CLOSE TOLERANCE
5305-00-000-0094
SCREW,CLOSE TOLERANCE
5305-00-000-1397
5305-00-000-1397 · Item name not on file
5305-00-000-2625
5305-00-000-2625 · Item name not on file
5305-00-000-3669
5305-00-000-3669 · Item name not on file
5305-00-000-3830
5305-00-000-3830 · Item name not on file
5305-00-000-3831
5305-00-000-3831 · Item name not on file
Frequently Asked Questions
What is NSN 5305-00-956-4166?
NSN 5305-00-956-4166 is a Setscrew, classified under FSC 5305, Screws. Status: active.
What are the specifications of 5305-00-956-4166?
Key specifications for 5305-00-956-4166: Fastener Length: 2.250 INCHES MINIMUM AND 2.300 INCHES MAXIMUM IN; Precious Material: GOLD; Thread Length: 1.000 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN; Surface Treatment: GOLD OVERALL. 6 specifications are documented in the U.S. Government catalog.
Is NSN 5305-00-956-4166 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.