Head Height: 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
Fastener Length: 2.500 INCHES NOMINAL IN
Thread Length: 0.875 INCHES NOMINAL IN
Hardness Rating: 25.0 ROCKWELL B MAXIMUM OVERALL
Material Document and Classification: SAE J429 GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Diameter: 0.312 INCHES IN
Head Style: HEXAGON
Identification
NSN: 5305-01-455-0045
NIIN: 014550045
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
General Description
The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-455-0045, 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15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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
5305-01-455-0045
Item Name
Screw,cap,hexagon Head
FSC / FSG
5305 / 53 — Screws
Status
ACTIVE
Head Height
0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
Fastener Length
2.500 INCHES NOMINAL IN
Thread Length
0.875 INCHES NOMINAL IN
Hardness Rating
25.0 ROCKWELL B MAXIMUM OVERALL
Material Document and Classification
SAE J429 GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Diameter
0.312 INCHES IN
Head Style
HEXAGON
Thread Direction
RIGHT-HAND
Width Between Flats
0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Nondefinitive Spec/std Data
2 TYPE AND 10 STYLE AND 5 GRADE
Minimum Tensile Strength
120000 POUNDS PER SQUARE INCH LBS
Thread Class
2A A
Thread Quantity Per Inch
18
Material
STEEL OVERALL
Thread Series Designator
UNIFIED NATIONAL COARSE (UNC)
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
A120031C250
5/2Secondary reference
U.S. Government activity
PL-E185B001 PC 126
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 5305-01-455-0045?
NSN 5305-01-455-0045 is a Screw,cap,hexagon Head, classified under FSC 5305, Screws. Status: active.
What are the specifications of 5305-01-455-0045?
Key specifications for 5305-01-455-0045: Head Height: 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN; Fastener Length: 2.500 INCHES NOMINAL IN; Thread Length: 0.875 INCHES NOMINAL IN; Hardness Rating: 25.0 ROCKWELL B MAXIMUM OVERALL. 15 specifications are documented in the U.S. Government catalog.
Is NSN 5305-01-455-0045 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.