- Thread Class
- 3B
- Thread Direction
- Right-hand
- Locking Feature
- Prevailing torque with nonmetallic insert
- Nut Style
- Hexagon
- Nut Height
- 0.133 inches minimum and 0.157 inches maximum
- End Item Identification
- 4120-01-592-7949
- Width Across Flats
- 0.243 inches minimum and 0.251 inches maximum
- Temp Rating
- 250.0 deg fahrenheit nominal
- Thread Series
- UNJC
- Thread Quantity per Inch
- 56
- Nominal Thread Size
- 0.0860 inches
- Countersink Angle
- 88.0 degrees nominal overall
- Bearing Surface Type
- Chamfered or washer faced
- Part Name Assigned BY Controlling Agency
- Nut, self-locking, hexagon-regular, 250 deg F and 450 deg F, non-metallic insert, 300 series cres
- Material
- Steel comp 303 and steel comp 304 overall
- Surface Treatment
- Passivate overall
- Surface Treatment Document and Classification
- Astm A967 assn std single treatment response overall
- Specification/Standard Data
- NAS-17830 national std/spec
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.