Cloth, Facecover

Type and Size

Type I – Pleated, woven cloth construction

Type II – Non-pleated, knitted cloth construction

Masks are one size fits all

Shade

 

Black

Hunter Green

Navy Blue

Coyote Brown

 

Salient Characteristics

The Mask shall be made of cloth.  The Mask shall cover the user’s face from nose to chin, and shall fit snugly but comfortably against the side of the face. The mask shall feature either ties or ear loops, made of elastic or other textile materials, which will be used to secure the mask to the user’s face.  Construction and materials shall allow for breathing without restriction, and shall not restrict the User’s vision or movement.  The Mask shall be able to be laundered and machine dried at least 25 times without damage or change to shape. The Mask shall be solid in color, and shall not contain any writing, logos, or designs on the exterior (visible) portion of the Mask.  The Mask shall not contain any anti-microbial or anti-viral finishes or chemicals. 

Material:

Type I

The base material for Type I shall be made of poly/cotton plain weave cloth.  Fabric requirements for Type I cloth are as follows:

Fabric weave shall be plain weave.

Fiber Content shall be 65% (+/- 5%) polyester fiber, 30% minimum cotton fiber when tested in accordance with AATCC 20A. 

Fabric weight shall be 4.0-4.6 oz./sq. yd. when tested in accordance with ASTM D3776.

Yarn density shall be 80 yarns per inch minimum in the warp direction and 40 yarns per inch minimum in the filling direction when tested in accordance with ASTM D3775. 

Air permeability shall be 80 cubic feet per minute per square foot minimum when tested in accordance with ASTM D737. 

Breaking strength shall be 100 lbs. minimum in the warp direction and 50 lbs. minimum in the filling direction when tested in accordance with ASTM D5034.

Type II

The base material for Type II shall be made of polyester warp knit tricot cloth. 

Fabric requirements for Type II cloth are as follows:

Fabric knit shall be warp knit tricot.

Fiber content shall be 100% polyester fiber when tested in accordance with AATCC 20A. 

Fabric weight shall be 3.3-3.6 oz./sq. yd. when tested in accordance with ASTM D3776. 

Air permeability shall be 80 cubic feet per minute per square foot minimum when tested in accordance with ASTM D737. 

Color requirements for the Mask(s) will be specified in the procurement document(s). 

Toxicity Requirements:

The contractor is responsible and must assure that all components are made from non-toxic materials. The Government reserves the right to verify that components are non-toxic in accordance with the following:

a. Title 40 Code of Federal regulations, current Edition and applicable sections.

b. As an alternative to animal and human testing, the contractor may provide information which certifies that components are composed of chemicals and/or materials which have been safely used commercially were prolonged skin contact has occurred.

The Contractor shall provide one set of instructions for proper care and use in each unit pack. 

Certificate of Compliance (CoC) for all components shall be acceptable for verification of the materials used.  The Government reserves the right to require the Contractor to furnish test reports to validate materials or other technical requirements. 

 

The Mask shall be free from defects, as listed below:

 

End item visual defects

Appearance

 Face covering not symmetrical, Bottom hem twisted

  Affecting appearance

  Affecting function

Material defects

 Hole, cut, tear, smash, burn, exposed drill hole, thin place, needle chew, visible

  Mends, Knots, Slubs                             

Cleanliness

 Any spot or stain on outside.

Removable

Not removable

 Excessive thread ends no more than 1/4-inch (more than 3) not trimmed or removed.

Affecting appearance

Affecting serviceability

 Odor

Component and assembly

 Any component part misplaced or required operation omitted, not as specified,

  distorted, full, tight or twisted.

 Any part of face covering caught in unrelated stitching

 Any defective components

Stitching and Seams

 Seam twisted, puckered.

 Ends of stitching not secured as specified

 Thread break (all stitch types) stitched less than 1/2- inch beyond end of break

 Skipped stitches or open seams with puckering, waviness or raw fabric edges showing

  through stitch lines.

 Seams that have uneven tensions that restrict stretch or cause cracking or breaking

  of threads.

 Edges not hemmed or with raw fabric edges

  1/2-inch or less

  More than 1/2-inch

Gauge of stitching and seam allowances

 Irregular, unevenly gauged or corresponding stitching not uniformly gauged

 Edge or raised stitching sewn too close to edge resulting in damage to cloth

Open seams

 Any seam open on outside of face covering:

1/2-inch or less

more than 1/2-inch

 NOTE: An open seam is defined as one (1) or more broken or two (2) or more 

       consecutive skipped or runoff stitches

Stitch tension

 Loose tension resulting in a loose seam, or tight tension (stitches break when strain 

  is applied to the direction of seam)

Stitches per inch (If these are specified)

 Less than minimum specified More than maximum specified

 NOTE: This defect is to be scored only when the condition exists on one half or more 

       of the stitching or seam

Shaded parts

 Badly shaded parts

 Shade variation within part or between parts.

Packaging

 Any face covering not packaged in accordance with contract or purchase order

Label

 Missing, incorrect, or illegible or not attached where specified.

 

SECTION D – PACKAGING AND MARKING   

One Case has 1,000 masks. One case shall have either (10) bundles of (100) sub packed masks or (20) bundles of (50) sub packed masks.

Subpack – bundles or boxes of 50 or 100 masks in commercial setup box or poly bag with zipper or ties.

This label shall be adhered to all cases.

  

CAGE:

Contract:

Delivery Order:

NSN:

Case Quantity:  1,000

Labeling is only at the case level. Sub packages do not need to be labeled.

PRES/PACK C/C TO ASTM-D-3951

Packaging shall be as per ASTM-D-3951 and MIL-STD-147.

Packaging examination.  The fully packaged end item shall be examined for the defects listed below.  The lot size shall be expressed in units of shipping containers.  The sample unit shall be one shipping container fully packaged.  The Inspection level shall be S-2 and the AQL, expressed in terms of defects per hundred units, shall be 2.5.

Examine              Defect

Marking        Omitted; incorrect; illegible, of

(exterior)     improper size, location, sequence

& Unit Pack,   or method of application.

Materials     Any component missing, damaged

               or not as specified.

Workmanship     Inadequate application of components,

               such as: incomplete closure of

               container flaps, loose strapping,

               improper taping, or inadequate

               stapling. Bulged or distorted

               container.

Contents     Number of intermediate containers

               per shipping container is more or

               less than required.

               Number of items per container is

               more or less than required.

Palletization examination.  The fully packaged and palletized end items shall be examined for the defects listed below.  The lot size shall be expressed in units of palletized unit loads.  The sample unit shall be one palletized unit load, fully packaged.

The Inspection level shall be S-1 and the AQL, expressed in terms of defects per hundred units, shall be 6.5.

Examine               Defect

Finished         Length, width or height exceeds                 Dimensions       specified maximum requirement.

Palleti-         Pallet pattern not as specified.

zation           Interlocking of loads not as

                 specified. Load not bonded with

                 required straps as specified.

Weight           Exceeds maximum load limits.

Marking          Omitted; incorrect; illegible;

                 of improper size, location,

                 sequence or method of appli-

                 cation.

MIL-STD-147E

w/CHANGE 1

23 December 2013

SUPERSEDING

MIL-STD-147E

16 May 2008

DEPARTMENT OF DEFENSE

STANDARD PRACTICE

PALLETIZED UNIT LOADS