Sampling Procedure.

cticable, consist of units

single typo, grade,

manufactured, repa

time and stored under the same conditions. It is

recommended that equipments from different

limited production buys be placed in different

lots and that equipment serial numbers, by lim-

uirements for

ited production buy, be used as lot formation

criteria.

(3) Lot size. The lot size is the total number

Equipment

of individual like items in the lot that is to be in-

Packaging Requirement Code

spected.

Environmental Test Methods

b. Sampling Procedure.

Calibration Requirements for the Main-

(1) Sample selection. Select samples of ma-

tenance of Army Material

terial in a way which will assure that each unit

Depot Inspection Standard for Re-

in the lot has an equal chance of being selected.

pared Signal Equipment

Biased methods, such as selecting items from the

Depot Inspectton Standard for Re-

TB SIG 355-2

same position in a container, pallets, or stacks;

finishing Repaired Signal Equip-

taking items all from one location; or selecting

ment

items that appear defective, will not be used.

Depot Inspection Standard for Mois-

TB SIG 355-3

(2) Sample size. Use table 1 of MIL-STD-

ture and Fungus Resistant Treat

nient

105D, General Inspection Level II, to obtain the

sample size code letter, and table IIA of MIL-

Depot Inspection Standard for Balanc-

TB SIG 355-4

ing Rotating Parts and Assemblies

STD-105D, to obtain the sample size using the

storage quality level shown in (3) below.

Operator and Organizational Main-

TM 11-6720-244-12

tenance Manual Camera Set, Still

(3) Storage quality levels (SQL).

Picture KS-15(4)

(a) Mechanical-visual inspection:

critical

TM 38-750

The Army Maintenance Management

SQL 1.0 percent; major SQL 2.5 percent: minor

System (TAMMS)

SQL 10 percent.

5. Other Directives.

(b) Electrical: critical SQL 1.0 percent

major SQL 2.5 percent.

Publication

Title

General Policies and Principles for

AR 795-17

marking: major SQL 4.0 percent; minor SQL 10

Furnishing Army Material on a Grant

percent.

Aid Basis

(d) The acceptance or reject number for

General Policies and Principles for

AR 795-204

the above SQLs shall be the same as those

Furnishing Defense Articles and

Service on a Sale or Loan Basis

shown for comparable quality levels (AQLs) in

table IIA of MIL-STD-105D.

6. Inspection Criteria. a. Lot Criteria.

c. inspection Requirements.

The following

(1) Lot definition.

A lot is defined as a

mechanical-visual inspections shall be performed:

group of like items from which a sample is drawn

(1) Inspect case for physical damage, condi-

and inspected to determine conformance with the

tion, and finish.

acceptability criteria. The following examples:

(2) Inspect all controls and switches for

(a) A group of like items in storage, which

was received in a shipment, with the following

proper operation and loose, or missing hardware.

identical markings:

(3) Inspect all connectors, plugs, and cord

1. Purchase order number.

receptacles for condition and damage.

2. Date packaged or packed.

(4) Inspect cabling and wiring for potential

3. Depot certification stamp and date.

short circuits, cuts, breaks, fraying, deterioration,

(6) A group of like items repaired or re-

kinks, and strain.

built by the Maintenance Division in one produc-

(5) Inspect solder connections for missin

tion run.

solder, cold solder. and improper wrap.

(2) Lot formation. T h e i t e m s s h a l l b e a s -

ible, incorrect, or missing

sembled into identifiable lots. Each lot shall, as