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DIMENSIONS
(metric table below)
CONTACT CUSTOMER SERVICE
DD 7 – Memory Ring Backshell
with Circular, 90° Left End Entry
For use with D-Subminiature and
MIL-DTL-24308 connectors.
ORDER FORM
ENTER
CODE
ENTER
CODE
ENTER
CODE
Sample Part Number Format: DD-173-015-XXX-AHSB
ENTER
CODE
ENTER
CODE
ENTER
CODE
ENTER
CODE
DD
SERIES
Memory Ring
Backshells for
D-Subminiature
Connectors
MATERIAL
1 – Aluminum
alloy
STYLE
7 – 90° circular,
left end entry
PLATING
2 – Nickel-plated
aluminum
3 – Cadmium-plated
aluminum ‡
D – Cadmium, olive
drab ‡
Z – Zinc cobalt over
nickel
SIZE
009 – 9 Contacts
015 – 15 Contacts
025 – 25 Contacts
037 – 37 Contacts
050 – 50 Contacts
104 – 104 Contacts
ENTRY SIZE
See Table 2 below
OPTIONS
SB – Single braid ring
DB – Double braid ring
NR – No ring
HARDWARE
00 – None
SH – Slot head screw with clip
AH – Allen head screw with clip
AE – Allen head screw with E-clip
JP – Jackpost
TH – Threaded hole
NOTES
‡ Option not RoHS-compliant
PLEASE CONSULT THE AIRBORN WEBSITE FOR THE LATEST REVISION OF THIS DOCUMENT PRIOR TO BEGINNING ANY DESIGN WORK.
MATERIALS and FINISHES
Backshells: ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ Aluminum alloy
Shell Finishes: ½ ½ ½ ½ ½ ½ ½ ½ Electroless nickel per SAE AMS-C26074, Class 4, Grade B, 500 µ” min½
Electrodeposited cadmium per SAE AMS-QQ-P-416, Type II, Class 2
Cadmium, olive drab, SAE AMS-QQ-P-316, Type II, Class 3 over elelctroless nickel
Zinc cobalt over electroless nickel with olive drab chromate conversion
Jackscrews/posts: ½ ½ ½ ½ ½ ½ ½ 300-series steel per ASTM A582/A582M or SAE AMS-5640, Type 1 or
AISI-303 or EN 10088-3 1½4305, passivated per SAE AMS-2700, Method 2
Clips: ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ Corrosion-resistant steel per ASTM A276 or ASTM A479/A479M
Passivated per SAE AMS-2700, Method 2
METRIC
(for reference, only)
DD-173-015-XXX-AHSB
MEMORY RING
DD7-PNB-1
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