NUT-RETAINER FOR -04 THRU -4 NOMINAL SIZE CAPTIVE SCREW ASSEMBLIES
TABLE 1
NOMINAL SIZE FIRST DASH NUMBER |
FIGURE | A ± .015 |
B DIA |
C SLOT |
D DIA MAX |
E DIA MIN |
F RAD ± .015 |
G MODIFIED MINOR DIA |
T THREAD |
– 04 | 1 | .180 .170 |
.116 .113 |
.031 | .228 | .200 | .115 | .140 MAX |
.164 – 36UNJF – 3A MODIFIED |
-06 | 1 | .280 | .143 .138 |
.060 | .357 | .304 | .190 | .216 – 24UNC – 2A | |
-3 | 1 | .300 | .190 .188 |
.062 | .398 | .350 | .190 | .215 MAX |
.250 – 28UNF – 3A MODIFIED |
-3-0 | 2 | .300 | .190 .188 |
.062 | .398 | .350 | .190 | .215 MAX | .250 – 28UNF – 3A MODIFIED |
-4 | 1 | .430 | .270 .260 | .062 | .571 | .512 | .250 | .375 – 24UNF – 2A | |
– 4 – 0 | 3 | .430 | .260 | .062 | .520 | .500 | .250 | .375 – 24UNF – 2A | |
– 4 – 00 | 4 | .430 | .270 .260 | .062 | .520 | .500 | .250 | .375 – 24UNF – 2A |
TABLE 1 (CON’T)
NOMINAL SIZE FIRST DASH NUMBER |
H DIA REF |
J MAX |
K ±.015 |
M ±.015 |
INSTALLATION | |
DRILL DIA. +.005-.000 |
100° C’SINK DIA ±.005 |
|||||
-04 | .164 | .010 | .01D MAX |
.020 | SEE CAL – STD – 0140 | |
-06 | .216 | .015 | .015 | .030 | SEE CAL – STD – 0140 | |
-3 | .250 | .015 | .020 | .030 | SEE CAL – STD – 0140 | |
-3-0 | .250 | .015 | .020 | .030 | .250 | .406 |
-4 | .375 | .020 | .015 | .035 | SEE CAL – STD – 0140 | |
-4-0 | .375 | .020 | .015 | .035 | .375 | .520 |
-4-00 | .020 | .015 | .035 | .375 | .520 |
TABLE 2 FOR – 04 NOMINAL SIZE
SECOND DASH NUMBER |
L ±.015 |
PANEL THICKNESS |
MINIMUM PERFECT THREAD |
|
MAX | MIN | |||
-1 | .255 | .080 | .031 | .145 |
-2 | .275 | .130 | .081 | .195 |
USE ON -04 NOMINAL SIZE CAPTIVE SCREW ASSEMBLY. (NUT-RETAINER TYPE)
TABLE 3 FOR – 06 NOMINAL SIZE
SECOND DASH NUMBER |
L ±.015 |
PANEL
THICKNESS |
MINIMUM PERFECT THREAD |
|
MAX | MIN | |||
-1 | .312 | .187 | .062 | .200 |
-2 | .437 | .312 | .188 | .215 |
-3 | .562 | .437 | .313 | .215 |
USE ON -06 NOMINAL SIZE CAPTIVE SCREW ASSEMBLY. (NUT-RETAINER TYPE)
TABLE 4 FOR – 3 NOMINAL SIZE
SECOND DASH NUMBER |
L ±.015 |
PANEL THICKNESS |
MINIMUM PREFECT THREAD |
|
MAX | MIN | |||
-0 | .250 | .093 | .040 | .160 |
-1 | .312 | .187 | .094 | .195 |
-2 | .437 | .312 | .188 | .225 |
-3 | .562 | .437 | .313 | .225 |
-4 | .695 | .562 | .430 | .260 |
USE ON -08 AND -3 NOMINAL SIZE CAPTIVE SCREW ASSEMBLIES. (NUT-RETAINER TYPE)
TABLE 5 FOR – 4 NOMINAL SIZE
SECOND DASH NUMBER |
L ±.015 |
PANEL THICKNESS |
MINIMUM PERFECT THREAD |
|
MAX | MIN | |||
-00 | .250 | .110 | .080 | .158 |
-0 | .312 | .080 | .062 | .220 |
-1 | .375 | .218 | .081 | .270 |
-2 | .500 | .343 | .219 | .270 |
-2 1/2 | .562 | .405 | .281 | .270 |
-3 | .625 | .468 | .344 | .270 |
-4 | .750 | .593 | .469 | .600 |
USE ON -4 NOMINAL SIZE CAPTIVE SCREW ASSEMBLY. (NUT-RETAINER TYPE)
NOTES; UNLESS OTHERWISE SPECIFIED:
1. MATERIAL:
1.1 18 – 8 TYPE 300 SERIES CRES PER ASTM-A-555, ASTM-A-581, ASTM-A-484, AMS-QQ-S-763 AND AMS5640.
2. HEAT TREAT:
2.1 300 SERIES – NONE.
3. FINISH:
3.1 STANDARD, PASSIVATE PER AMS2700.
3.2 BLACK OXIDE PER MIL-DTL-13924, DESIGNATED BY LETTER “B”, CADMIUM PLATE PER AMS-QQ-P-416 TYPE II, CLASS 2, DESIGNATED
BY LETTER “C”.
4. CODE:
4.1 FIRST DASH NUMBER DESIGNATES NOMINAL NUT RETAINER SIZE.
4.2 SECOND DASH NUMBER INDICATES “L” LENGTH AND PANEL RANGE.
4.3 “B” FOLLOWING FIRST DASH NUMBER DESIGNATES BLACK OXIDE FINISH.
4.4 “C” FOLLOWING FIRST DASH NUMBER DESIGNATES CADMIUM PLATE.
5. PART CALLOUT EXAMPLE:
6. DESIGNATED TO BE USED WITH CA2440-()-()-()() AND CA28080-()-()() CAPTIVE SCREW ASSEMBLIES.
7. NUT-RETAINER -3 IS USED ON BOTH -08 AND -3 NOMINAL SIZE CAPTIVE SCREW ASSEMBLIES.