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MS21042

Coast Fabrication
Part Number MS21042
Manufacturer Coast Fabrication
Description Nuts
Published Mar 20, 2014
Detailed Description MS21042 / NAS1291 Series Specifications Nuts, Self-locking, 450°, Reduced Hexagon, Reduced Height, Ring Base, Non-Corrosi...
Datasheet PDF File MS21042 PDF File

MS21042
MS21042

Overview
MS21042 / NAS1291 Series Specifications Nuts, Self-locking, 450°, Reduced Hexagon, Reduced Height, Ring Base, Non-Corrosion Resistant Steel 35 Size Dash No.
02 04 06 08 3 4 5 6 7 8 9 10 Thread a 2-56 UNC-3B 4-40 UNC-3B 6-32 UNC-3B 8-32 UNC-3B 10-32 UNF-3B 1/4-28 UNF-3B 5/16-24 UNF-3B 3/8-24 UNF-3B 7/16-20 UNF-3B 1/2-20 UNF-3B 9/16-18 UNF-3B 5/8-18 UNF-3B A Max .
167 .
206 .
244 .
290 .
330 .
420 .
520 .
620 .
708 .
814 .
912 1.
014 B Min .
137 .
176 .
214 .
260 .
290 .
386 .
482 .
575 .
680 .
786 .
874 .
976 C Min .
138 .
171 .
207 .
244 .
277 .
347 .
419 .
491 .
562 .
633 .
775 .
846 D Max .
106 .
142 .
168 .
194 .
220 .
280 .
342 .
405 .
467 .
530 .
592 .
655 Min .
086 .
112 .
138 .
164 .
190 .
250 .
312 .
375 .
437 .
500 .
562 .
625 Ed Min .
045 .
050 .
055 .
060 .
065 .
090 .
120 .
125 .
160 .
225 .
320 .
365 Fe Min .
019 .
028 .
039 .
041 .
043 .
057 .
077 .
089 - G Max .
021 .
027 .
031 .
031 .
031 .
036 .
042 .
042 Min .
004 .
005 .
006 .
006 .
006 .
007 .
008 .
008 Max .
100 .
125 .
141 .
188 .
188 .
219 .
266 .
282 .
328 .
410 .
480 .
550 H Min .
080 .
103 .
115 .
125 .
154 .
204 .
251 .
267 .
313 .
350 .
420 .
490 J Min .
010 .
010 .
010 .
015 .
015 .
019 .
023 .
030 .
035 .
040 .
045 .
050 Wc Max .
127 .
158 .
190 .
221 .
252 .
316 .
378 .
440 .
504 .
566 .
692 .
755 Min .
122 .
150 .
181 .
213 .
243 .
304 .
367 .
430 .
494 .
556 .
680 .
743 Xb .
0025 .
003 .
003 .
003 .
003 .
003 .
004 .
004 .
004 .
004 .
004 .
004 Axial f Strength Min, lb 660 1110 1670 2490 3470 6200 9820 15200 20600 27500 34800 43600 Weight lb/100 Max .
020 .
050 .
080 .
150 .
180 .
350 .
600 .
800 1.
30 2.
10 3.
60 4.
50 Wrenching Torque Test f Value, in-lb 5 10 20 30 60 150 330 530 825 1125 1550 2000 All dimensions in inches; nuts dash size 7 and larger use NAS1291 prefix, stainless steel nuts use NAS1291C designation.
(a) Threads in accordance with MIL-S-7742 before lubrication (b) Bearing surface shall be square with pitch diameter within X when measured in accordance with MIL-N-25027 (c) Dimension across flats includes deformation of locking device (d) Minimum length of each wrenching corner (e) Minimum distance from the washer face of the nu...


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