scope:

This specification covers sound powered telephone hardware for use with sound powered telephone systems in Navy ships.

The sound powered telephone hardware shall be of the following types as specified (see 6.2):

(a) A-17A - Switchbox.

(b) A-19A - Switchbox.

(c) A-26A - Switch-rotary selector.

(d) G-15A - Single jackbox.

(e) G-15B - Double jackbox.

(f) G-15C - Four-gang jackbox.

(g) H-25A - Sound powered jack.

(h) H-27A - Sound powered jack, panel mounted.

(i) H-39A - Sound powered plug.

(j) IC/A1 - Switchboard.

(k) IC/TRC - Reel, casuality communication.

(l) Z-33 - Handset holder.

(m) Cabinet, handset.

(n) Telephone/distance line.

(o) Hook, handset.

(p) Sound powered jack, portable.

(q) Stowage box, headset. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, ATTN: SEA 03R42, Naval Sea Systems Command, 2531 Jefferson Davis Hwy., Arlington, VA 22242-5160 by using the Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter.

intended Use:

The sound powered hardware covered by this specification is intended primarily for shipboard use.