MS21250 BOLT - Standard Screw (nut), Spec

Part number : MS21250

Functions : This is a kind of Military BOLT. Screws used in the military and aerospace industries are made of high-strength and lightweight materials.

Manufacturer : AVIAQUIP

Image :

MS21250 bolt

Description

MS21250 is the part number for a standard screw (nut) used in the aerospace industry. It is defined by National Aerospace Standard (NAS) 21250, which provides specifications for components related to aircraft and space exploration equipment.

The texts in the PDF file :

MS21250 SUPERSEDES NAS624 THRU NAS 644 BOLT , STEEL, TENSION, 180 KSI FTU 450°F, 12 POINT EXTERNAL WRENCHED LENGTH GRIP A T NOTES: B 1. Material – steel alloy MIL-S-5626 2. CAD plate TYPE 11, Class 2. 3. Dimensions are in INCHES unless otherwise noted. 4. Tolerances decimals ± .010. 5. Dimensions to be met after plating. 6. Add letter “H” before Dash No. to designate drilled head. 7. First two Dash No’s designate dia. in sixteenths. Last three Dash No’s designate grip length in sixteenths. USE TABLES FOR GRIP LENGTHS & DIAMETERS WHEN ORDERING DIA THREAD DASH MIL-S -8879 NO. 02 03 04 05 06 07 08 09 10 12 14 16 18 20 22 24 GRIP DASH NO. 004 006 008 010 012 014 016 018 020 022 024 026 028 030 032 034 056 038 040 042 044 046 048 050 .1640-32 .1900-32 .2500-28 .3125-24 .3750-24 .4375-20 .5000-20 .5625-18 .6250-18 .7500-16 .8750-14 1.0000-12 1.1250-12 1.2500-12 1.3750-12 1.5000-12 GRIP ±.010 .250 .375 .500 .625 .750 .875 1.000 1.125 1.230 1.375 1.500 1.625 1.750 1.875 2.000 2.125 2.250 2.375 2.500 2.625 2.750 2.875 3.00 3.125 02 .655 .780 .905 1.030 1.155 1.280 1.405 1.530 1.655 1.780 1.905 2.030 2.155 2.280 2.405 2.530 2.655 2.780 2.905 3.030 3.155 3.280 3.405 3.530 “A” DIA. “B” DIA MA MIN MAX MIN .300 .350 .438 .531 .649 .750 .828 .938 1.050 1.230 1.438 1.625 1.875 2.125 2.313 2.500 .290 .340 .428 .521 .639 .740 .818 .928 1.040 1.220 1.428 1.615 1.865 2.115 2.303 2.490 .1635 .1895 .2495 .3120 .3745 .4370 .4995 .5615 .6240 .7490 .8740 .9990 1.240 1.2490 1.3740 1.4990 .1625 .1885 .2485 .3110 .3735 .4360 .4985 .5605 .6230 .7480 .8730 .9980 1.1225 1.2475 1.3725 1.4975 “D” DIA MAX MIN .219 .250 .312 .375 .437 .500 .562 .625 .687 .812 .937 1.062 1.250 1.312 1.437 1.625 .204 .235 .297 .360 .422 .485 .547 .610 .672 .797 .922 1.047 1.235 1.297 1.422 1.610 “M” “T” MIN REF .385 .420 .492 .579 .625 .721 .768 .852 .899 1.036 1.244 1.479 1.650 1.760 1.885 2.010 DOUBLE SHEAR LBS. MIN 4,600 6,100 10,600 16,600 23,900 32,500 42,400 53,700 66,300 95,400 129,900 169,600 214,70 [ … ]