DETAIL SPECIFICATION SHEET
NUT, SELF-LOCKING, CASTELLATED, HEXAGON, 250 °F NON-METALLIC INSERT
Reactivate after 5 February 2004 and may be used for new and existing designs and acquisitions.
INCH-POUND MS17825J
27 June 2011
SUPERSEDING MS17825H
5 February 2004
This specification is approved for use by all Departments and Agencies of the Department of Defense.
The requirements for acquiring the product described herein shall consist of this specification sheet and
NASM25027.
OPPOSITE SLOTS MUST COINCIDE WITHIN
.005 AND SLOT AXIS MUST 8E WITHIN
.005 OF THREAD P.D. AXIS
MARK MFG IDENT. ON THIS SURFACE
K R
SHAPE OF TOP OPTIONAL
8
L A
J
G 0D
C
0M
30° ±5°
WASHER FACE, CHAMFER OR RADIUS RELIEF OPTIONAL WHEN WITHIN THE 30° ±5°
ANGLE AND "M" DIA LIMITATIONS
FIGURE 1. NUT.
TA8LE I. DASH NUM8ERS, DIMENSIONS AND STRENGTHS.
SIZE DASH NO. |
THREAD AS8879 |
A |
8 |
C |
0D |
G |
J |
||||
MAX |
MIN |
MAX |
MIN |
MIN |
MAX |
MAX |
MIN |
MAX |
MIN |
||
-3 |
.1900-32 UNJF-38 |
.265 |
.235 |
.376 |
.367 |
.410 |
.215 |
.032 |
.006 |
.125 |
.105 |
-4 |
.2500-28 UNJF-38 |
.296 |
.266 |
.439 |
.430 |
.482 |
.275 |
.036 |
.007 |
.141 |
.121 |
-5 |
.3125-24 UNJF-38 |
.343 |
.313 |
.502 |
.492 |
.552 |
.338 |
.042 |
.008 |
.188 |
.168 |
-6 |
.3750-24 UNJF-38 |
.421 |
.391 |
.564 |
.553 |
.622 |
.400 |
.235 |
.215 |
||
-7 |
.4375-20 UNJF-38 |
.468 |
.438 |
.690 |
.679 |
.766 |
.463 |
.050 |
.010 |
.282 |
.262 |
-8 |
.5000-20 UNJF-38 |
.578 |
.548 |
.752 |
.741 |
.837 |
.525 |
.375 |
.355 |
||
-9 |
.5625-18 UNJF-38 |
.624 |
.594 |
.877 |
.865 |
.978 |
.587 |
.055 |
.012 |
.406 |
.386 |
-10 |
.6250-18 UNJF-38 |
.734 |
.704 |
.940 |
.928 |
1.051 |
.650 |
.484 |
.464 |
||
-12 |
.7500-16 UNJF-38 |
.828 |
.798 |
1.064 |
1.052 |
1.191 |
.795 |
.063 |
.014 |
.578 |
.558 |
-14 |
.8750-14 UNJF-38 |
.921 |
.891 |
1.252 |
1.239 |
1.403 |
.900 |
.072 |
.016 |
.672 |
.652 |
-16 |
1.0000-12 UNJF-38 |
1.015 |
.985 |
1.440 |
1.427 |
1.615 |
1.025 |
.083 |
.018 |
.766 |
.746 |
-18 |
1.1250-12 UNJF-38 |
1.171 |
1.141 |
1.627 |
1.614 |
1.825 |
1.150 |
.828 |
.808 |
||
-20 |
1.2500-12 UNJF-38 |
1.265 |
1.235 |
1.815 |
1.801 |
2.038 |
1.275 |
.891 |
.871 |
||
AMSC N/A FSC 5310
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