Head Height: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Fastener Length: 1.000 INCHES NOMINAL IN
Thread Length: 0.750 INCHES NOMINAL IN
Material Document and Classification: SAE GR8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Diameter: 0.250 INCHES IN
Head Style: FLAT FILLISTER
Identification
NSN: 5305-01-455-0608
NIIN: 014550608
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
General Description
The Setscrew, cataloged under National Stock Number 5305-01-455-0608, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5305-01-455-0608
Item Name
Setscrew
FSC / FSG
5305 / 53 — Screws
Status
ACTIVE
Width Across Flats
0.188 INCHES NOMINAL IN
Head Height
0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Fastener Length
1.000 INCHES NOMINAL IN
Thread Length
0.750 INCHES NOMINAL IN
Material Document and Classification
SAE GR8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Diameter
0.250 INCHES IN
Head Style
FLAT FILLISTER
Thread Direction
RIGHT-HAND
Point Style
CONE
Nondefinitive Spec/std Data
I TYPE AND 8 GRADE AND 2 STYLE
Locking Feature
PELLET OR STRIP OR PATCH FASTENER
Internal Drive Style
HEXAGON
Thread Class
2A A
Thread Quantity Per Inch
20
Material
STEEL OVERALL
Material
PLASTIC POLYAMIDE NYLON LOCKING FEATURE
Thread Series Designator
UNIFIED NATIONAL COARSE (UNC)
Head Diameter
0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
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
E440025C100
5/2Secondary reference
U.S. Government activity
PL-E185B001 PC 128
3/2Design control — primary 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.
5305-00-000-0094
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
5305-00-000-5456
5305-00-000-5456 · Item name not on file
5305-00-000-5699
5305-00-000-5699 · Item name not on file
Related Parts in Hardware and Abrasives
5305-00-000-0094
SCREW,CLOSE TOLERANCE
HT4036-4-25
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
5305-00-000-5456
5305-00-000-5456 · Item name not on file
5305-00-000-5699
5305-00-000-5699 · Item name not on file
Frequently Asked Questions
What is NSN 5305-01-455-0608?
NSN 5305-01-455-0608 is a Setscrew, classified under FSC 5305, Screws. Status: active.
What are the specifications of 5305-01-455-0608?
Key specifications for 5305-01-455-0608: Width Across Flats: 0.188 INCHES NOMINAL IN; Head Height: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Fastener Length: 1.000 INCHES NOMINAL IN; Thread Length: 0.750 INCHES NOMINAL IN. 18 specifications are documented in the U.S. Government catalog.
Is NSN 5305-01-455-0608 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.