34
www.birtcherproducts.com • 888-957-8291
FEATURES
APPLICATIONS
For military and commercial
applications where harsh envi-
ronments exist. Where retainers
are not mounted to PC modules
(i.e. SEM-A,B,C,D&E mounted).
ATR or MCU enclosures.
MEETS MILITARY
SPECIFICATIONS
Designed to comply with MIL-
STD-810D and MIL-STD-901D in
addition to MIL-E-5400.
WEDGES & HOUSING
Material:
Aluminum Alloy
6061-T6 QQ-A-200/8
Finish:
See finish table on opposite
page
SCREW
.09 in or 2.5 mm hex. socket
head cap screw, depending
on mounting configuration
Material:
Stainless Steel
SS-QQ-S-763, ASTM A 582
Finish:
Passivate per MIL-S-5002
ALIGNMENT SPRINGS
Material:
Beryllium Copper QQ-C-533
Finish:
Nickel QQ-N-290 Class I,
Grade G, Bright
WEIGHT
.224 oz/in
(2.65 gm/cm)
Relative Clamping Force*
Relative Retention Force*
Relative Thermal Resistance*
*For mechanical and thermal peformance
data see the Technical Applications section
pages 77-94
DESIGNED FOR HEAVY SHOCK,
VIBRATION, AND HEAT DISSIPATION
THREE-PIECE STYLE
UP TO 5.50 in (139.7mm) LONG
(-6 THRU -11)
FIVE-PIECE STYLE
6.00 in(152.40mm) LONG
AND UP
(-12 THRU -25)
LIGHT WEIGHT
SELF-ALLIGNING
WEDGE DESIGN FOR
SUPERIOR CLAMPING
FORCE
HOUSING FOR MOUNTING TO
SHEET METAL OR MACHINED
CHASSIS DESIGNS
MOUNTS TO CHASSIS
WITH RIVETS, SCREWS,
ADHESIVES, OR BRAZED
Recommended torque 115 in. oz
.350(8.89)
.005(.127)
ø.062(1.57) X .040(1.02)
INDEXING PIN
OPTION "P"
.055
MIN
.170(4.32)
.120(3.05)
.117(2.97)
D
.170(4.32)
.055 MIN
ENGLISH LISTED FIRST
NOTE ON DIMENSIONS:
.XX (.X) =.02(.5 )
.XXX(.XX)=.01(.25)
FOLLOWED BY METRIC
IN PARENTHESES
TOLERANCES:
UNLESS OTHERWISE SPECIFIED
.500
(12.7)
A
B
C
.500
(12.7)
C
BRAZED OR BONDED
SCREW OR RIVET MOUNTED
OPTION "P"
L
L
Series 340 Wedge-Tainer
Right Hand Shown - see diagram on pg.28 (reference only)
Patent no. 4,823,951
WEDGE-TAINER™ SERIES 340
www.birtcherproducts.com • 888-957-8291
35
-150 .95(2.79)-.145(3.68) .530(13.46)
-100 .060(1.52)-.094(2.39) .480(12.19)
BOARD THICKNESS TABLE
DASH #
THICKNESS
-175 .130(3.30)-.165(4.19) .530(13.46)
.005(.130) .005(.130)
D
MOUNTING METHOD (SEE MOUNTING CHART)
LENGTH IN 12.7mm INCREMENTS (-06=76.2mm THRU -25=317.5mm)
LENGTH IN 1/2" INCREMENTS (-06=3" THRU -25=12.5")
BOARD THICKNESS (SEE CHART)
HAND ACTION LEFT OR RIGHT ("L" OR "R")
SERIES
340 -A -B -M -L -F
FINISH (SEE FINISH TABLE)
PART NUMBER CODE:
-6 3.00( 76.20) 1.000(25.40) - 2.000(50.80) 3 3 2
-7 3.50( 88.90) 1.250(31.75) - 2.500(63.50) 3 3 2
-8 4.00(101.60) 1.500(38.10) - 3.000(76.20) 3 3 2
-9 4.50(114.30) 1.750(44.45) - 3.500(88.90) 3 3 2
-10 5.00(127.00) 2.000(50.80) - 4.000(101.60) 3 3 2
-11 5.50(139.70) 2.250(57.15) - 4.500(114.30) 3 3 2
-12 6.00(152.40) 2.500(63.50) - 5.000(127.00) 3 3 2
-13 6.50(165.10) 2.750(69.85) - 5.500(139.70) 3 3 2
-14 7.00(177.80) 2.000(50.80) 4.000(101.60) 6.000(152.40) 4 4 2
-15 7.50(190.60) 2.250(57.15) 4.250(107.95) 6.500(165.10) 4 4 2
-16 8.00(203.30) 2.250(57.15) 4.750(120.65) 7.000(177.80) 4 4 2
-17 8.50(216.00) 2.500(63.50) 5.000(127.00) 7.500(190.60) 4 4 2
-18 9.00(228.70) 2.500(63.50) 5.500(139.70) 8.000(203.30) 4 4 2
-19 9.50(241.40) 2.750(69.85) 5.750(146.05) 8.500(216.00) 4 4 2
-20 10.00(254.10) 3.000(76.20) 6.000(152.40) 9.000(228.70) 4 4 2
-21 10.50(266.80) 3.250(82.55) 6.250(158.75) 9.500(241.40) 4 4 2
-22 11.00(279.50) 3.250(82.55) 6.750(171.45) 10.000(254.10) 4 4 2
-23 11.50(292.20) 3.500(88.90) 7.000(177.80) 10.500(266.80) 4 4 2
-24 12.00(304.90) 3.500(88.90) 7.500(190.50) 11.000(279.50) 4 4 2
-25 12.50(317.60) 3.750(95.25) 7.750(196.85) 11.500(292.20) 4 4 2
#
DASH L A B C TAPPED
NUMBER OF HOLES
RIVET BRAZED
MOUNTING DIMENSIONS TABLE
R Rivet Holes (Ø.098 THRU v Ø .179(4.55) X 100°)
P Indexing Pins Ø.062(1.57) X .040(1.02)
(Two pins only)
MOUNTING METHOD TABLE
M Metric Screws M3 X .5
S Screws #4-40 UNC-2B
FINISH TABLE
Code
Letter Finish (see pg.9 for RoHS Compliance)
C Chemical Film per MIL-C-5541, Class 1A, Gold, non RoHS compliant
CC Chemical Film per MIL-C-5541, Class 1A, Clear
EN Electroless Nickel per MIL-C-26074, Class 4, Grade B, Bright
N Nickel Plate per QQ-N-290, Class 1, Grade G, Bright (.0002'')
B Black Anodize per MIL-A-8625, Type II, Class 2, (.00005'' - .0003'')
B3 Hard Black Anodize per MIL-A-8625, Type III, Class 2 (.002'')
B3D Hard Black Anodize with Dry Film Lube per MIL-L46010
Code
Letter Method
Indexing pins (-P) and rivet (-R) parts are
shipped unassembled. Housing is unplated and
unmarked for Indexing Pins (-P) method.
-6 THRU -11 ARE THREE-PIECE, -12 AND UP ARE FIVE-PIECE
Part Number Code example: 340L-100M-12N
Series 340 Wedge-Tainer, left handed, for .060-.094 in (1.52
- 2.39mm) board thickness, M3 metric screw mounting, 6.00
in(152.4mm) long, nickel plate finish.
Part Number Code (See example below)
Series 340 Wedge-Tainer
340 x -x x -x x
Screw Action
Left hand (see reference diagram on pg.28) _________L
Right hand (see reference diagram on pg.28) _______ R
Board Thickness
Select a dash number from Board Thickness Table _______
Mounting Method
Select code letter from Mounting Method Table ____________
Length
In 1/2" increments ___________________ -6 (3”) thru -25 (12.5”)
In 12.7mm increments __________ -6 (76.2mm) thru -25 (317.5mm)
Finish
Select code letter from Finish Table ____________________________
WEDGE-TAINER™ SERIES 340
FOR MECHANICAL AND THERMAL PERFORMANCE
S
EE THE TE
C
HNI
C
AL APPLI
C
ATI
O
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