All machine screws made by Pilgrim Screw Co. Chemicals and physicals with paperwork showing full conformance to MS, NAS, and AN specifications are available on all items.
Machine screws meet MS-NAS-AN specifications as required;
Material to procurement spec FF-S-92; Fed St 66; QG-S-763; ASTM A493.
Cleaned, descaled, passivated to QQ-P-35; ASTM A380.
Dimensions, tensile, hardness, threads, recess, head marking to MS-NAS-AN specs; procurement spec FF-S-92; Fed Std H28/2; Fed Std H28/20 system 22, 23.
Magnetic permeability to procurement spec FF-S-92; ASTM 1444.
Quality assurance to procurement spec FF-S-92 (Mil Std 1312). Inspection system requirement per Mil-l-45208.