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CA28085

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.

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