ST3M455-4L8-1

Screw, Close Tolerance

Part number: ST3M455-4L8-1
NSN: 5305-00-539-4807
NIIN: 00-539-4807
Item name: Screw, Close Tolerance
Manufacturer: Alcoa Fastening Systems Fairchild
CAGE code: C4293
FSC: 5305
Unit of issue: EA
DEMIL code: A

Alternate part numbers

HL4024L4-8 CAGE 73197
HL4024L4-8 CAGE C4293
ST3M455-4L8-1 CAGE 76301

Technical characteristics

Thread Class: 3A
Thread Direction: Right-hand
Thread Length: 0.469 inches nominal
Fastener Length: 0.969 inches nominal
Head Style: Flat countersunk
Head Diameter: 0.3948 inches minimum and 0.3958 inches maximum
Grip Diameter: 0.2490 inches minimum and 0.2495 inches maximum
Internal Drive Style: High-torque
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.500 inches nominal
Thread Quantity per Inch: 28
Countersink Angle: 100.0 degrees nominal
Material: Steel corrosion resisting overall
Thread Series Designator: UNJF

Catalogue data is compiled from public DLA/FLIS sources and is provided for identification. Availability, condition and certification are confirmed on quotation. OmniSynk Distribution Services is a stocking distributor.

Search more parts