- Thread Class
- 2A
- Thread Direction
- Right-hand
- Thread Length
- 0.406 inches minimum and 0.500 inches maximum
- Fastener Length
- 0.662 inches minimum and 0.682 inches maximum
- Head Style
- Flat chamfer
- Head Diameter
- 0.302 inches minimum and 0.322 inches maximum
- Head Height
- 0.057 inches minimum and 0.067 inches maximum
- Internal Drive Style
- SLOT
- Nominal Thread Diameter
- 0.190 inches
- Thread Quantity per Inch
- 32
- Screw Material
- Steel comp 302 or steel comp 303 or steel comp 303SE
- Screw Material Document and Classification
- MIL-S-7720 mil spec 1ST material response or astm A582 assn std 2ND material response or astm A582 assn std 3RD material response
- Screw Surface Treatment
- Passivate
- Special Features
- N0. 4-40 unc 2B driled and tapped hole 0.375 in. deep from drive end, furnished W/three flat washers AN960C10L 0.032 in. thk
- Thread Series Designator
- UNF
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.