OmniSynk Distribution Services

NAS221C12

Screw, Machine

Part number
NAS221C12
NSN
5305-00-820-4651
NIIN
00-820-4651
Item name
Screw, Machine
Manufacturer
National Aerospace Standards
CAGE code
80205
FSC
5305
Unit of issue
EA
DEMIL code
A

Request a quote for NAS221C12

Alternate part numbers

Technical characteristics

Thread Class
3A
Thread Direction
Right-hand
Thread Length
0.377 inches minimum and 0.516 inches maximum
Fastener Length
0.766 inches minimum and 0.813 inches maximum
Head Style
Round
Head Diameter
0.361 inches minimum and 0.385 inches maximum
Head Height
0.103 inches minimum and 0.118 inches maximum
Internal Drive Style
Cross recess type 1
Nominal Thread Diameter
0.190 inches
Thread Quantity per Inch
32
Minimum Tensile Strength
125000 pounds per square inch
Hardness Rating
248.0 brinell standard minimum and 321.0 brinell standard maximum
Screw Material
Iron alloy 660
Screw Material Document and Classification
Ams 5735 assn std single material response
Screw Surface Treatment
Passivate
Screw Surface Treatment Document and Classification
MIL-S-5002 mil spec single treatment response
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.

Search more parts