1、MIL-A-3962E 19 May 1986 SUPERSEDING MIL-A-3962D 24 September 1979 .- MILITARY SPECIFICATION ANCHORS, GROUND, ARROWHEAD WITH DRIVING EQUIPMENT This specification is approved for use by all Departments and Agencies of the Department of Defense. l. SCQPE 1 .1 Scope. This document covers arrowhead groun
2、d anchors with single cable assemblies and driving equipment. 1.2 Classification. % 1.2.1 Ground anchor assemblies. The ground anchor assemblies shall be of the following sizes, grades, and styles, as specified (see 6.2): Size 4 inch: Grade A Style 1 Style 5 Grade B Style 1 Style 2 Style 5 - Aluminu
3、m - Cable without thimble, 3100-pound load - Cable or wire with thimble, 1500-pound . _. load . - Malleable Iron - Cable without thimble, 3100-pound load. - Cable with thimble, 3100-pound load - Cable or wire with thimble, 1500-pound load Beneficial comments (recommendations, additions, deletions).
4、and any pertinent data which may be of use in improving this document should be addressed to U.S. Army Natick Research, Development, and Engineering Center, Natick, MA 01760-5014, by using the self -addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this d
5、ocument or by letter. AMSC NIA FSC 4030 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. THIS DOCUMENT CONTAINS i/ PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-3962E Size 6 inch: Grade A - Aluminum Gra
6、de B - Malleable Iron Style 3 - Cable without thimble, 5500-pound load Style 4 - Cable with thimble, 5500-pound load Size 8 inch: Grade A - Aluminum Grade B - Malleable Iron Style 3 - Cable without thimble, 5500-pound load Style 4 - Cable with thimble, 5500-pound load Size 4 inch Size 6 inch Size 8
7、inch 2. APPLICABLE DOCUMENTS 2.1 Government documents. Unless otherwise specified, the following documents of the issue in effect on date of invitation for bids or request for proposal form a part of this document to the extent specified herein. SPECIFICATIONS FEDERAL PPP-B-601 - Boxes, Wood, Cleate
8、d-Plywood PPP-B-621 - Boxes, Wood, Nailed and Lock-Corner PPP-B-636 - Boxes, Shipping, Fiberboard MILITARY MIL-E-52798 - Enamel, Alkyd, Camouflage 2 m m Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-3962E STANDARDS MILITARY MIL-STD-105 - Samp
9、ling Procedures and Tables for Inspection by Attributes MIL-STD-129 - Marking for Shipment and Storage DRAWINGS U.S. ARMY NATICK RESEARCH, DEVELOPMENT, AND ENGINEERING CENTER 4-1-196 - Anchors, Ground, Arrowhead, with Driving Equipment; Assemblies and Details, 4 Inch Aluminum Anchors Equipment; Asse
10、mblies and Details, 4 Inch Malleable Iron Anchors Equipment; Assemblies and Details, 6 and 8 Inch Mall Iron and Aluminum Anchors Equipment; Miscellaneous Details 4-1-197 - Anchors, Ground, Arrowhead, with Driving 4-1-198 - Anchors, Ground, Arrowhead, with Driving 4-1-199 - Anchors, Ground, Arrowhead
11、, with Driving (Copies of documents required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting officer.) n 2.2 Other publications. Unless otherwise specified, the following document of the issue in effe
12、ct on the date of invitation for bids or request for proposal forms a part of this document to the extent specified herein. AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) D 3951 - Standard Practice for Commercial Packaging (Application for copies should be addressed to the American Society for Te
13、sting and Materials, 1916 Race Street, Philadelphia, PA 19103.) (Technical society and technical association documents are generally available for reference from libraries. They are also distributed among technical groups and using Federal-agencies.) 3 . /“- Provided by IHSNot for ResaleNo reproduct
14、ion or networking permitted without license from IHS-,-,-MIL-A-3962E + 2.3 Ordei of precedence. In the event of conflict between the text of this document and the references cited herein (except for associated detail specifications, specification sheets, or MS standards), the text of this document s
15、hall take precedence. Nothing in this document, however, shall supersede applicable laws and regulations unless a specific exemption has been obtained. 3 REQUIREMENTS 3.1 Design. The ground anchor assemblies and driving equipment shall conform to the material (see 6.3), construction, finish, and mar
16、king requirements specified herein and on the drawings listed in 2.1. 3.2 Load requirements for ground anchors with cable assemblies. 3.2.1 Size 4 inch, styles 1 and 2. The anchor assembly shall withstand a load of not less than 3100 pounds without breakage when tested as specified in 4.3.1. 3.2.2 S
17、ize 4 inch, style 5. The anchor assembly shall withstand a load of not less than 1500 pounds without breakage when tested as specified in 4.3.1. 3.2.3 Sizes 6 and 8 inch, styles 3 and 4. The anchor assembly shall withstand a load of not less than 5500 pounds without breakage when tested as specified
18、 in 4.3.1. 3.3 Finish. 3.3.1 Anchor bodies. Prior to application of finish, anchor bodies shall have all burrs, flashings, and sharp edges removed. 3-3.1.1 Aluminum bodies. Aluminum bodies shall be given no finish. 3.3.1.2 Malleable iron bodies and pins, and pins for aluminum anchor bodies. The asse
19、mbled malleable iron anchor body and pin and the pin for aluminum bodies shall be coated with aluminum pigmented enamel or coated with enamel conforming to MIL-E-52798 (lusterless Forest Green in color) or shall be galvanized. 3.3.1.3 Driving rods and driving heads. Driving rods and driving heads sh
20、all be cleaned free of oil, grease, and other foreign matter and then coated with enamel conforming to MIL-E-52798, lusterless Forest Green in color. Holes in driving rods and driving heads shall be free of excess enamel to ensure proper fit. 4 Provided by IHSNot for ResaleNo reproduction or network
21、ing permitted without license from IHS-,-,-MIL-A-37bZE 90 m 77777Ob 00773LILI 5 m MIL-A-3962E 3.4 Marking. All characters on the anchor bodies shall be cast in raised letters and shall include the manufacturers name, trade name or trademark, and year of contract. Except as otherwise specified on dra
22、wings, characters shall be not less than 1/4 inch in size. 3.5 Workmanship. The finished items shall be clean, free of burrs, sharp edges, or corroded areas and shall not be broken or malformed. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the cont
23、ract or purchase order, the contractor is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified in the contract or purchase order, the contractor may use his own or any other facilities suitable for the performance of the inspection require
24、ments specified herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in the document where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. 8 4.1.1 Responsibility for compl
25、iance. All items must meet all requirements of sections 3 and 5. The inspection set forth in this document shall become a part of the contractors overall inspection system or quality program. The absence of any inspection requirements in the document shall not relieve the contractor of the responsib
26、ility of assuring that all products or supplies submitted to the Government for acceptance comply with all requirements of the contract. Sampling in quality conformance does not authorize submission of known defective material, either indicated or actual, nor does it commit the Government to accepta
27、nce of defective material. 8 4.1.2 Responsibility for dimensional requirements. Unless otherwise specified in the contract or purchase order, the contractor is responsible for assuring that all specified dimensions have been met. When dimensions cannot be examined on the end item, inspection shall b
28、e made at any point or at all points in the manufacturing process necessary to assure compliance with all dimensional requirements. 4.2 Quality conformance inspection. Unless otherwise specified, sampling for inspection shall be performed in accordance with MIL-Sm-105. 4.2.1 Component and material i
29、nspection. In accordance with 4.1, components and materials shall be inspected in accordance with all the requirements of referenced documents unless otherwise excluded, amended, modified, or qualified in this document or applicable purchase document. 5 Provided by IHSNot for ResaleNo reproduction o
30、r networking permitted without license from IHS-,-,-MIL-A-3362E 40 W 3377906 0097345 7 W “ MIL-A-3962E K 4.2.2 End item visual examination. The end item shall be examined for the defects listed in table I. The lot size shall be expressed in units of anchors. The sample unit shall be one anchor. The
31、inspection level shall be II and the acceptable quality level (AQL), expressed in terms of defects per hundred units, shall be 2.5 for major defects and 6.5 for total (major and minor combined) defects. TABLE I. Classification of visual defects Examine Defect Classification Major Minor “ Finish (gen
32、eral) Type of finish not as specified, or not in accordance with the manufacturers standard commercial practice 2 o1 Color not as specified 202 Evidence of dirt, grease, or foreign matter embedded in coating 203 Excessive enamel in driving rod and driving head holes 204 Design, construction, Not siz
33、e, grade, style, specified 1 o1 and workmanship, Any part missing or not as specified 102 general (applicable Metal not clean, free of burrs or toall components sharp edges 103 assemblies) Broken, malformed, or corroded area 104 Marking for Missing, incomplete, not legible, or identification wrong t
34、ype, size, or location 2 05 * 4.2.3 End item dimensional examination. The end item shall be examined for conformance to the dimensions specified in table II. Any dimension that. is not within the specified tolerance shall be classified as a defect. The lot size shall be expressed in units of anchors
35、. The sample unit shall be one anchor. The inspection level shall be S-2, and the AQL, expressed in terms of defects per hundred units, shall be 4.0. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-3962E . TABLE II. Dimensional reauirements D
36、rawing Size 4-1-196 0.375 f 0.006 diameter of pin 4-1-197 0.375 f 0.006 diameter of pin 4-1-198 0.500 f 0.006 diameter of pin 4-1-199 0.437 f 0.010 diameter of hole in rod 4-1-199 0.562 i- 0.010 diameter of hole in rod 4.2.4 End item testing. One tem selected at random from the first lot shall be te
37、sted as specified in 4.3.1. Failure of the test shall be cause for rejection of the lot. x 4.2.5 Packaging examination. The fully packaged end items 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
38、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 Markings (exterior Omitted; incorrect; illegible; of improper size, and interior) location, sequence, or method of application Materials Any compo
39、nent missing, damaged, or not as specified Contents (exterior Number per container is more or less than required and interior container) 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-3762E YO m 7779706 00773Y7 O m J . MIL-A-3962E 4.3 Test m
40、ethods. x 4.3.1 Load test. With a load tester at a rate not greater than 2000 pounds per minute, the cable or wire assembly, as applicable, shall meet the load requirements as specified for the 4-inch size in 3.2.1 and 3.2.2 and for the 6- and 8-inch sizes as specified in 3.2.3. Any evidence of fail
41、ure shall constitute Eailure of this test. 5. PACKAGING 5.1 Preservation. Preservation shall be level A or Commercial, as specified (see 6.2). 5.1.1 Level A. 5.1.1.1 Ground anchor assemblies. No preservation is required. 5.1.1.2 Driving equipment, 4-inch anchor assembly. One driving rod, driving hea
42、d, and holding handle for 4-inch anchor assembly shall be unit packed in a snug-fitting panel folder conforming to style FPF, type CF, variety SW, or type SF, class weather-resistant of PPP-B-636. The driving rod shall be positioned on top of the holding handle and the driving head inserted on one e
43、nd of the driving rod. A fiberboard or wood insert shall be placed in the end of the folder opposite the driving head. The insert shall be not less than 3/8-inch thick, shall be provided with a hole to accommodate the.driving rod, and shall be a snug fit in the folder to prevent any movement of the
44、rod while in transit. Each box shall be securely closed. 5.1.1.3 Driving equipment, 6- and 8-inch anchor assembly. One driving rod, driving head, and holding handle for 6- and 8-inch anchor assemblies shall be unit packed as specified in 5.1.1.2. * 5.1.2 Commercial. The ground anchor assemblies and
45、driving equipment shall be preserved in accordance with ASTM D 3951. 5.2 Packing. Packing shall be level A, B, or Commercial, as specified (see 6.2). 5.2.1 Level A packing. 5.2.1.1 Ground anchor assemblies. Ground assemblies of one size, grade, and style only shall be packed in the most compact mann
46、er in the quantities specified in table III in a snug-fitting shipping container conforming to overseas type, style A of PPP-B-601 or class 2, style 2, 4, or 4 1/2, type 3 load of PPP-B-621. Closure and strapping shall be in accordance with PPP-B-601 or PPP-B-621, as applicable. 8 Provided by IHSNot
47、 for ResaleNo reproduction or networking permitted without license from IHS-,-,-h. h MIL-A-3962E TABLE III. Packing of items Item Quantity per shipping container Ground anchor assemblies: Size 4 inch, Size 4 inch, Size 4 inch, Size 4 inch, Size 6 inch, Size 6 inch, Size 6 inch, Size 8 inch, Size 8 i
48、nch, Size 8 inch, grade A, grade A, grade B, grade B, grade A, grade A, grade B, grade A, grade A, grade B, style 1 style 5 style 1 or 2 style 5 style 3 style 4 style 3 or 4 style 3 style 4 style 3 or 4 150 each 200 each 75 each 100 each 100 each 75 each 40 each 50 each 40 each 20 each Driving equip
49、ment: Size 4 inch, driving rod, head, and holding handle 15 each Size 6 and 8 inch, driving rod, head, and holding handle 8 each 5.2.1.2 Driving equipment. Driving rods and heads, and holding handles, preserved as specified in 5.1, shall be packed in the quantities specified in 4.2.3, in a snug-fitting container conforming to overseas type, style A of PPP-B-601 or class 2, style 2, 4, or 4 1/2, type 3 load of PPP-B-
