MIL U 20625万向节块式机械遥控系统 (1957年3月28日)

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MIL-U-20625A

28 MARCH 1957

SUPERSEDING

MIL-J-20625

26 FEBRUARY 1952

MILITARY SPECIFICATION

UNIVERSAL JOINTS, BLOCK TYPE,

MECHANICAL REMOTE CONTROL SYSTEM

This specification has been approved by the Department of Defense and is man-

datory for use by the Departments of the Army, the Navy, and the Air Force.

1. SCOPE

1.1 Scope. This specification covers uni-

versal joints of the block type for use in

rotary type hand-operated or intermittent

power operated valve remote control systems

of the mechanical type.

1.2 Classification. Universal joints shall be

of the following classes, as specified (see

6.1) :

Class a — Steel.

Class b

— Bronze.

Class c — Steel, Corrosion-Resistant.

2. APPLICABLE DOCUMENTS

2.1 The following specifications and stand-

ards, of the issue in effect on date of invitation

for bids, form a part of this specification:

SPECIFICATIONS

EDERAL

QQ-N-281

"Nickel-Copper-

Alloy (Monel and

R-Monel) Bars,

Plates, Rods, Sheets,

Strips, Wire, Forg-

ings, and Structural

and Special Shaped

Sections.

QQ-S-624

LLL-B-631

LLL-B-636

PPP-B-585

PPP-B-601

PPP-B-621

MILITARY

JAN-P-108

MIL-P-116

MIL-N-994

—Steel, Alloy; Bars

(General Purpose).

— Boxes, Fiber, Corru-

gated (for Domestic

shipment).

— Boxes, Fiber, Solid

(for Domestic Ship-

ment).

— Boxes; Wood, Wire-

bound.

— Boxes, Wood, Cleated-

Plywood.

— Boxes, Wood, Nailed

and Lock-Corner.

— Packaging and Pack-

ing for Overseas

Shipment — Boxes,

Fiberboard (V-

Board and W-

Board), Exterior

and Interior.

— Preservation, Methods

of.

— Naval Brass Bars,

Plates, Rods, Sheets,

Strips, Wire, Forg-

ing, and Structural

and Special Shaped

Sections.

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