MIL-DTL-5015 Crimp Rear Release Coding Explained

Part Number Explanation: MIL-DTL-5015 Crimp Rear Release

MS3450KS28-21PY

Below are the explanations for each or the coloured sections of the above part number.

Shell Type

Code Description Available Class
MS3450 Wall Mount Receptacle K,L,U,W
MS3451 In-line Receptacle L,U,W
MS3452 Box Mount Receptacle L,U,W
MS3454 Jam Nut Receptacle L,U,W
MS3456 Straight Plug K,L,U,W
MS3459 Straight Plug, self locking coupling nut K,L

Class

Class Code Material Finish Application Fluid Resistance
K2 Carbon steel Electroless nickel Firewall Complete
KS Stainless steel Passivated Firewall Complete
KT Carbon steel Cadmium olive drab, 96 hour Firewall Complete
L Aluminium Electroless nickel High temperature Complete
LS Stainless steel Passivated High temperature Complete
U Aluminium Electroless nickel High temperature Partial
US1 Stainless steel Passivated High temperature Partial
W Aluminium Cadmium, olive drab, 96 hour General purpose Complete
1. Inactive for new design, 2. Cancelled

Shell Size & Contact Arrangement

View MIL-DTL-5015 Inserts

This information is designated by a code that is molded into the front of the rubber/plastic inserts.
This code is important as the shell size and the contact layout may be identical but the contact size may differ.

Contact Style

A Pin insert, less contacts
B Socket insert, less contacts
P Pin contacts
S Socket contacts
Note All shell types (receptacles and plugs) are available with either pin or socket contacts.

Polarisation

Blank No rotation
W View rotation angle (varies by insert)
X View rotation angle (varies by insert)
Y View rotation angle (varies by insert)
Z View rotation angle (varies by insert)