1、AMSC N/A - I MIL-STD-1394B 6 November 1989 SUPERSEDING MIL-STD-1394A . 22 January 1981 MILITARY STANDARD PROVISIONS FOR EVALUATING QUALITY OF CAP CROWNS FSC 8405 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. THIS DOCUMENT CONTAINS /8 PAGES. f - Provided by IHSNot
2、for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-13943 FOREVARD 1, This military standard .is approved or use by all Departments and Agencies of the Repartment of Defense, 2. Beneficial comments (recommendations, additions, deletions) and any pertinent data whic
3、h may be of use in improving this document should be addressed to: Officer in Charge, Navy Clothing and Textile Research Facility, 21 Strathmore Road, Natick, MA 01760-2490, by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at. the end of this documen
4、t or by letter. 3. This standard provides a standardized procedure or evaiuating quality The objectives of this standarg are to: , of cap crowns procured by the Department of DeEense. f (a) (ti) Standardize examination requirements, Provide standard descriptions for defects. As of the date of approv
5、al of this dgcument, the following specifications will reference this standard: HIL-C-17620 MfL-C-3,8186 MIL-C-23315 MIL-C-26804 MIL-G-38132 - Crown, Service Gap (Mants) - CQWIS, Service Cap - Crowns, Service Cap: Tropical Worsted - Cover, Service Cap, Air Police, White - Cover, Service Cap, Mans, V
6、ater Repellant ii Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Paragraph 1. 1.1 1.2 2. 2.1 2.1.1 2.2 3. 3.1 3.2 3.3 3.4 4. 4.1 5. 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.7.1 5.7.2 5.7.3 5.7.4 6. 6.1 6.2 6.3 6.4 MIL-STD-1394B CONTENTS SCOPE Purpose Applicati
7、on Government documents Specifications, standards and handbooks Order of precedence APPLICABLE DOCUMENTS DEFINITIONS Fabric defects Quality assurance terms Open seam or stitching Knots and slubs GENERAL REQUIREMENTS General requirements DETAILED REQUIREMENTS End item examination Dimensional examinat
8、ion Examination of packaging requirements Inspection Procedures Initiation of inspection Continuation of inspection Switching procedures Normal to tightened Tightened to normal Normal to reduced Reduced to normal NOTES Intended use Issue of DODISS Subject term (key word) listing Changes from previou
9、s issue - TABLES - Number Page 1 1 1 2 2 2 2 13 13 14 14 14 14 14 14 14 14 14 14 14 15 15 Page - I Sampling provisions 2 4 II Classification of defects iii Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I MIL-STD-13748 84 7777733 O082082 3 MIL-STD-1
10、394B - 1. SCOPE 1.1, Purpose. The purpose of this standard is to provide standardized 1.2 Application. provisions for evaluating the quality of cap crowns. reference in the appropriate cap crown specifications. This standard will be made applicable to contracts by - 2. APPLICABLE DOCUMENTS * 2.1 Gov
11、ernment documents. * 2.1.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of these documents shall be those listed in the issue of the Department
12、 of Defense Index of Specifications and Standards (DoDISS) and supplement thereto, cited in the solicitation (See 6.2). STANDARDS FEDERAL FED-STD-4 - Glossary of Fabric Imperfections MILITARY MIL-STD-105 - Sampling Procedures and Tables for Inspection MIL-STD-109 - by Attributes - Quality Assurance
13、Terms and Definit ions (Unless otherwise indicated, copies of federal and military specifications, standards and handbooks are available from the Naval Publications and Forms Center, (ATTN: NPODS), 5801 Tabor Avenue, Philadelphia, PA 19120-5099.) * 2.2 Order of precedence. In the event of a conflict
14、 between the text of this document and the references cited herein, the text of this document shall take precedence. Nothing in this. document however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. DEFINITIONS 3.1 Fabric defects. . The fabric defect def
15、initions ,applicable to the standard are described in FED-STD-4. 1 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-3374B 4 M 7777733 OOZO3 5 _. . MIL-STD-1394B 3.2 Quality assurance terms. Definitions of quality assurance terms shall 3.5 Open
16、 seam or stitching. The seam shall be classified open when one or more stitches joining a seam are broken or when two or more continuous skipped or runoff stitches occur. be in accordance with MIL-STD-105 and MIL-STD-109, 34 Knots and slubs. Only knots and slubs that exceed the limits specified in t
17、he basic cloth specification shall be scored as defects in evaluating quality of the Cap Crowns. 4. GENERAL 4.1 This standard contains the provisions for end item examination, dimensional examination and the examination of packaging inspection for service cap crowns. If there are any inconsistencies
18、 between the requirements of the appropriate specification and the provisions of the standard, the specification shall control. This standard assigns to the listed defects, point values of 1, 2, or 3 depending on degree of severity. The higher point values are assigned to those defects having more d
19、etrimental effect on the appearance or serviceability of the item. * 5. DETAILED REQUIREMENTS 5.1 End item examination. The cap crowns shall be examined and all defects shall be penalized as indicated in Table II of this standard. The sample size shall. be as specified in Table I. The sample unit sh
20、all be one finished cap crown. (a) The point value or 3 and 2 point defects exceeds the The lot shall be unacceptable if: applicable maximum acceptable point value, or (b) The paint value for total (3, 2, and 1 point) defects exceeds the applicable maximum acceptable point value. Normal Inspection -
21、3 t Table I - Sampling Provisions Sample Size _3 i ze Up thru 90 1/ 20 91 thru 150 32 151 thru 280 50 281 thru 500 80 501 thru 1200 125 1201 thru 3200 200 3201 thru 10,000 315 10,002 thru 35,000 500 35,001 and over El00 Maximum Acceptable Point Values 3 2f accept the lot but reinstate normal inspect
22、ion (see 5.7.4b). The second value is the maximum acceptable point value. For this inspection use first sampling plan below. If sample size equals If the first value is exceeded but the second value has not been exceeded, - 3 Provided by IHSNot for ResaleNo reproduction or networking permitted witho
23、ut license from IHS-,-,-MIL-STD-3374B 4 M 9997933 0082085 9 W MIL-STD-1394B Table IL - Classification of Defects A. GENERAL, DEFECTS I. MATERIAL DEFECTS AND DAMAGE a. Hole, cut, tear, smash, mend, needle chew, burn, drill hole, scorched area or open place: 1. On outside (longest dimension in any dir
24、ection): (a) up to 1/4 inch, inclusive (b) more than 1/4 inch 2. On inside (longest dimension in any direction): (a) up to 1/4 inch, inclusive (b) more than 1/4 inch b. Loose yarn, snagged thread, misweave, coarse yarn, area of no dye penetration, dye streak, missing yarn, broken yarn, thin place, s
25、hade bar or woven in waste: i. On outside (longest dimension in any direction): (a) up to 1/4 inch, inclusive (b) more than 1/4 inch 2. On inside c. Permanent fold, pleat or crease in cloth (when caught in seaming or stitching): - on outside d. Knot or slub (see 3.2) on outside e. Braid: 1, Poor-ly
26、constructed (i.e., not evenly 2. Cut or frayed edges, slack or poorly 3. Any broken yarn. woven). constructed edge, 4 Point Value 2 3 1 2 1 3 1 3 2 2 2. 2 . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-(a) up to 3/8 inch, inclusive (b) (c) more th
27、an 3/4 inch more than 318 inch up to 3/4 inch . . inclusive 2. On inside, but not- visible on outside 3/4 inch or more MIL-STD-3399B 9 9979333 00820b O MIL-STD-1394B Table 11 - Classification of Defects (contd) Point Value f. MIL-C-38182 -z 1. Any pinhole, blister, pick-off in 2. 3. coating or coati
28、ng flaky. -3. 1 2 Coating uneven, lumpy, abraded or thin. Coating tacky or contains imbedded foreign matter. II. SHADED PARTS On outside: 2 - any part shaded III. CLEANNESS a. Any spot or stain: 1. On outside (largest dimension in any direction): 3. On inside and visible on outside (use outside defe
29、ct classification listed above.). 3 b. c. Any marking exposed or visible on outside. Three or more thread ends on outside not trimmed 1 d. Two or more shade or size tickets not removed. - 1 to 3/8 inch. IV. COMPONENT AND ASSEMBLY a. b. c. d. Any component part or operation omitted (unless otherwise
30、classified herein). Any component not as specified. Any component not assembled as specified, Any component part tight, twisted, distorted, pleated or full (unless otherwise classified herein). Any operation not as specified (unless otherwise classified herein). 3 3 3 .2 1 e. 5 Provided by IHSNot fo
31、r ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-SFD-1394B Table II - Classification of Deects (contd) Point Value V. CUTTING a. Any component part not cut in accordance with specified patternt directional lines on patterns or not in accordance with specification requ
32、irements. 3 VI, SEAM AND STITCHING a. Accuracy of seaming: 1. Seam puckered (unless otherwise classified herein), 1 2. Seam irregular, pleated or wavy. 2 3. stitching. 2 4. seam or stitching not finished as specified, 1 5. Stitching overlapping end of thread break less than 1/2 inch, 1 6. 1 Part cau
33、ght in any unrelated operation or End of stitching when not caught in another End of a continuous line of stitching over- lapped less than 1/2 inch, 7, Not specified color thread used on outside. 2 b. Gage of stitching and seam allowance: 1. Edge, top or raise stitching sewn too close 2. to edge res
34、ulting in damage to cloth. 3 more than 1/2 the length of the seam). Seam allowance not as specified by 1/16 inch or more (score only when condition exists on 1 3. Irreguiar or not within range specified or varies more than 1/16 inch when no range is specified (score only when condition exists on mor
35、e than 1/2 the length of the seam). 1 c. Open seam: 1. More than 3/4 inch. 3 3. Up to 3/8 inch, inclusive, 1 2. More than 318 inch up to 3/4 inch, inclusive. 2 d. Raw edge: 1. On outside (a) up to 3/8 inch, inclusive 1 inclusive 2 (c) more than 3/4 inch 3 (b) more than 3/8 inch up to 3/4 inch, 6 t P
36、rovided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-1394B 1. 2. More than the maximum specified. Less than the minimum specified: Table II - Classification of Defects (contd) Point Value VI. SEAM AND STITCHING (contd) 2. On inside: 1 2 (a) 1/4 inc
37、h up to 1 3/4 inches, inclusive - (b) more than 13/4 inches e. Seam and stitch type: 3 2- 1. 2. 3. Not specified seam or stitch type, Any line of stitching omitted or insecure Any line of stitching not beginning or ending where specified (unless otherwise classified herein). Looper thread of 401 sti
38、tch type on outside. 1 3 4. f, Stitch tension: 3 1. 2. Loosely exposed loops of lower or top thread. 2 3. Loose tension resulting in a loose seam. Tight tension (stitches break when normal strain is-applied in the direction of the seam or stitching). 3 g. Stitches per inch (score only when condition
39、 exists on more than 1/2 the length of seam): 1 (a) (b) by one or two stitches by three or more stitches 1 2 h. Runoff, skipped or broken stitch: 1, Joining seam - use “open seam“ classification. - 2. Edge, top or raised stitching (more t.han 114 inch). . - VII. EYELET- a. b. c. One or more omitted
40、or added. Chipped, broken, cracked, split or bent. Loose or raw edges exposed around edges of eyelet on outside. 1 3 3 3 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-1394B 4 7777933 OO2089 b MIL-STD-1394B :P? VI1 EYELET cantd) d. e. -Was
41、hes broken, bent or otherwise defective . Nol securely clinched or clinched too tightly uttlng the abrPc. 3 (where tequird). 2 P. Front eyelet: (a) (b) (c) positioned more than 1/16 inch off . (d) front eyelet not centered with width front eyelet not reinforced on underside with brass washer 3 front
42、: eyelet not set on front quarter seam 3 center 2 of front quarter: (I) (2) by more than li8 inch, but not more than /4 inch by more than 1/4 inch 2 3 2. Side eyelets (position): (a) side eyelets out of horizontal alfgnment: (1) by 1/4 inch or more but not more than 3/8 inch 2 (2) by more than 3/43
43、inch 3 (b) (c) side eyelets misplaced from midpoint between crown and band by more than 844 inch 2 position of side eyelets rom each side of side seams less than f/3 inch or more than 1 1/ inches 2 VIII, BAND a: Otside puckered, pleated or twisted, b. Other than one piece of material. C. MIL-C-17620
44、: 3 3 1. 2. The finished band less than 1 3/8 inches or The back seam formed when joining the ends of the band not pressed flat, when applicable. 1 more than 1 5/8 inches wide. 2 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-STD-1394B 84 999
45、99LL O082070 2 MIL-STD-1394B Table II - Classification of Defects (contd) VIII, BAND (contd) Point Value 3. band to the flare omitted. 4. The finished hem of band Iess than 1/4 inch or more than 3/8 inch wide. 5. The back seam not aligned with the back seam of the flare by 3/16 inch or more, Overedg
46、e stitching in the joining of the 1 1 1 d, MIL-C-18186 and MIL-C-23315: 1, 2, 3. 4. 5. Band less than 1 518 inches or more-than Irregular in width by more than 1/8 inch. Back seam not aligned with back quarter seam by 3/16 inch or more. Upperside twisted or too full, affecting smoothness on outside.
47、 Band overlapping quarters at joining seam. 1 3/4 inches wide. IX. BINDING (when applicable) O a. Omitted. b. Binding strip other than-bias-cut. c. The binding strip not turned under and positioned evenly over the flare and top piece seam. The binding tape finished less than 7/16 inch or more than 9
48、/16 inch wide on major portion of seam. The end of binding tape overlapped less than 1 1/2 inches at center of back seam. d. e, X. SNAP FASTENERS * a. Stud or socket missing, broken, bent. deformed _ or otherwise defect ive not permi t t ing proper function 2 2 2 2 3 3 1 1 1 1- a J b. C. Any socket
49、out of alignment with corresponding stud causing noticeable bulge when fastened. . Stud or socket clinched too tightly cutting the surrounding fabric. 2 3 XI. LABEL a. Missing, incorrect or illegible: 1. Size or combination label. 2. Identification label. 3 1 9 Provided by IHSNot for ResaleNo reproduction or networking permitted wi
