MIL-DTL-39030/7A
REQUIREMENTS:
Dimensions and configurations: See figures 1 thru 3.
Electrical characteristics: See table I.
Materials:
Body and connector: Corrosion-resistant steel in accordance with SAE-AMS-QQ-S-763 (dash numbers 01 thru
04) or brass in accordance with ASTM B121, ASTM B36, ASTM B16, ASTM B16M and ASTM B124 (dash
numbers 05 and 06).
Finish: See table I.
Contact pin and contact socket: Beryllium copper in accordance with ASTM B196, ASTM B197 and
ASTM B194.
Finish: Gold plated mating surface for all series. The socket contact shall be plated to a minimum of 50
micro inches (1.27µm) of gold in accordance with ASTM B488, type 3, grade C class 1.27, over 50 micro
inches (1.27 µm) minimum of nickel in accordance with AMS-QQ-N-290, class 1, including the I.D., measured
at a depth of .040 inches minimum. The plating on non-significant surfaces in the I.D. shall be
of sufficient thickness to ensure plating continuity and uniform utility and protection. This plating may
consist of an under plate only. A silver under plate shall not be permitted.
Bead chain and lug: Corrosion-resistant steel or plastic.
Weight: See table I.
Ambient temperature range:
Operating:
Dash numbers 01 thru 04: -25°C to +105°C.
Dash numbers 05 and 06: -55°C to +125°C.
Non-operating (storage):
Dash numbers 01 thru 04: -25°C to +105°C.
Dash numbers 05 and 06: -55°C to +125°C.
PIN: M39030/7-(dash number from table I).
Marginal notations are not used in this revision to identify changes with respect to the previous issue due to the
extent of the changes.
CONCLUDING MATERIAL
Custodians:
Preparing activity:
Army - CR
DLA - CC
Navy - EC
Air Force - 11
(Project 5985-3244-005)
DLA - CC
Review activities:
Army - AV, MI
Navy - AS, OS, SH
Air Force -19
5