Also searched as5305-01-351-4993 ·
5305013514993 ·
NIIN 013514993 ·
01-351-4993 ·
FSC 5305 Screws
Nearby stock numbers← 5305-01-351-4653 Screw, Cap, Socket Head
·
5305-01-351-5118 Screw, Externally Relieved Body →
5305-01-351-4993 — Screws
Features
Screw,machine — FSC 5305
Fastener Length: 0.500 INCHES NOMINAL IN
Nominal Thread Diameter: 0.086 INCHES IN
Head Style: FLAT COUNTERSUNK
Thread Direction: RIGHT-HAND
Screw Material: STEEL COMP 403 OR STEEL COMP 303 OR STEEL COMP 303SE
Internal Drive Style: CROSS RECESS TYPE 1
Countersink Angle: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
Identification
NSN: 5305-01-351-4993
NIIN: 013514993
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
General Description
The Screw,machine, cataloged under National Stock Number 5305-01-351-4993, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
5305-01-351-4993
Item Name
Screw,machine
FSC / FSG
5305 / 53 — Screws
Status
ACTIVE
Fastener Length
0.500 INCHES NOMINAL IN
Nominal Thread Diameter
0.086 INCHES IN
Head Style
FLAT COUNTERSUNK
Thread Direction
RIGHT-HAND
Screw Material
STEEL COMP 403 OR STEEL COMP 303 OR STEEL COMP 303SE
Internal Drive Style
CROSS RECESS TYPE 1
Countersink Angle
80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
Thread Class
2A A
Thread Quantity Per Inch
56
Thread Series Designator
UNIFIED NATIONAL COARSE (UNC)
Head Diameter
0.150 INCHES MINIMUM AND 0.172 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
AN505C2R8
2/2Government specification standardization
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
5305-00-000-0094
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 5305-01-351-4993?
NSN 5305-01-351-4993 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
What are the specifications of 5305-01-351-4993?
Key specifications for 5305-01-351-4993: Fastener Length: 0.500 INCHES NOMINAL IN; Nominal Thread Diameter: 0.086 INCHES IN; Head Style: FLAT COUNTERSUNK; Thread Direction: RIGHT-HAND. 11 specifications are documented in the U.S. Government catalog.
Is NSN 5305-01-351-4993 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.