1、A-A-59158Januaw 30. 1998SUPERSEDINGMIL-T-21309E28 February 1975COMMERCIAL ITEM DESCRIPTIONTOOLS FOR INSERTING AND EXTRACTINGHELICAL COIL WIRE SCREW THREAD INSERTSThe General Services Administration has authorized the use of this commercial itemdescription for all Federal Agencies.1. SCOPE1.1 scop. T
2、tiscomercial itemdescription (CID) covers taps, tieadplug gages, insefiingtools, expanding tools, offset and staking tools, break-off tools, extracting tools and thread repairkits.1.2 Intended use. These tools are used for inserting and extracting helical coil wire screw threadinserts.2. CLASSIFICAT
3、ION2.1 Class ification. The tools shall conform to the following types, classes and styles:Type I - Tap, thread cuttingClass 1- Finishing, plug styleClass 2- Roughing, plug styleClass 3- Finishing, bottoming styleC1ass 4- Spark plugBeneficial comments (recommendations, additions, deletions) and any
4、pertinent data whichmay be of use in improving this document should be addressed to: Commander, U.S. ArmyNatick Research, Development and Engineering Center, Natick, MA 01760-5018 by usingthe Standardization Document Improvement Proposal (DD Form 1426) appearing at the endof this document or by lett
5、er.AMSC NIA FSC 5120Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59158Type II - Gage, plug, threadType III - Inserting tool, screw thread insertsClass 1- Prewinder toolsStyle A - 1/2 (.500) and smaller unified coarse and fine threads and metri
6、c spark plugthreads.Style B - 9/16 (.5625) through 1-1/2 (1.500) unified fine threads.Class 2- Mandrel toolsStyle A -2 (.086) and 3 (.099) unified coarse threadsStyle B - 9/16 (.5625) through 1-1/2 (1.500) unified coarse threadsClass 3- Expander tools (14-1.25 and 18-1 .5mm spark plug threads only)C
7、lass 4- Offset tools (14-1.25 and 18-1 .5mrn spark plug threads only for use with Class 5)Class 5- Staking tools (14-1.25 and 18-1 .5rnm spark plug threads only)Type IV - Tang break-off toolsClass 1- Style A - 1/4 (.250) and smaller, unified coarse and fine threadsStyle B - 5/16 (.3125) through 1/2
8、(.500) unified coarse and fine threadsClass 2- 1/2 (.500) and smaller Unified Coarse and Fine Threads, plain punchType V - Extracting toolsType VI - Thread repair kitType VII - Multiple kit, tool box3. SALIENT CHARACTERISTICS3.1 Materials. Materials shall be of a quality best suited for the purpose
9、intended and shall behardened as appropriate.3.2 Finishes . The finish on all tools shall be in accordance with the manufacturers standardpractice. The tools shall not have burrs, rust, rough edges or slivers or any defects which mayimpair serviceability or durability.3.3 Surface Protection . The to
10、ols shall be corrosion resistant.2Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-591583.4 Workm anshin Theworhmship of thetools shallbe of thehigh quality prevailing mongmanufacturers and shall be free from imperfections that affect their appear
11、ance, serviceability ordurability.3.5 performance. The tools shall be capable of performing their intended function withoutdeformation of contact surfaces, bending, twisting, or any other deformation, either permanent ortemporary, while in use.3.6 Marking. Each tool shall be marked with the nominal
12、thread screw size or range of sizes asapplicable and the manufacturers identification. Other marking shall be as specified herein.3.6.1 mtruct ion sheet . Each tool shall have an instruction sheet or tag attached unless fimishedas a part of a kit in which case the kit shall contain the instruction s
13、heet. The instruction sheet ortag shall contain complete instructions for operating the tool and shall also show theidentification of the tool manufacturer and the manufacturers part number.3.7 Type I. taDs. thread cutt ing. Sizes of the Type I, Class 1,2, and 3 taps for helical coil wirescrew threa
14、d inserts shall be as specified in table I and table II. All taps shall be marked either“screw thread insert” or “STI” in addition to the tap size and threads per inch or pitch inmillimeters. Thread sizes shall be for class 3B thread fit (table I) unless class 2B (table II) isspecified (see 7.1).3.7
15、.1 class 1. finishimz. lug style tarxy Refer to tables I and II for sizes and National StockNumbers (NSN).3.7.2-2. roh in. DIuQstv- Ie taps. When specified (see 7.1) roughing taps for 1/2 (.500) orlarger screw thread inserts shall be furnished. The dimensions of the major diameter of theroughing tap
16、s shall be smaller than the major diameter of the finishing taps by approximately 1/3of the thread pitch. The pitch diameter maximum shall be smaller than the minimum tapped holepitch diameter by approximately 1/3 of the thread pitch. The tolerance on both diameters shall be.002 inch. Refer to table
17、 I and table II for sizes and NSNS3.7.3 Class 3. fin ishing. bottom sty le taps. Refer to table I and table II for sizes and NSNS.3.7.4 Qass . Class 4 taps shall be furnished with or without pilots and reamersas specified (see 7.1). When piloted taps are furnished, a hole having a diameter of 1/4 in
18、ch shallbe driIled through the driving square. Refer to table HI for sizes.3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59158TABLEI. TaD s. forsc rew thread inserts (STI). C lass 3BTAPS NSN NSN NSNNominal Thread Size Class 1 Finishing Plug St
19、yle Class 2 Roughing Plug Style Class 3 Finishing Bottoming StyleUNC - 3B2 (.086) -56 5136-01-038-2908 5136-01-037-70323 (.099) -484 (.112) -40 5136-00-825-7136 5I36-O1-1O8-69I55 (.25) -40 5t36-01-037-7607 5136-01-037-70346 (.138) -32 5136-01-046-8862 5136-00-779-44698 (.164) -32 5136-00-825-7133 51
20、36-01-323-819410 (.190) -24 5136-00-825-7132 5136-00-862-787312 (.216) -24 536-01-040-77491/4 (.250) -20 5136-00-825-7126 5136-00-972-04065/16 (.3125)- 18 5136-00-825-7111 5136-01-144-78553/8 (,375) - 16 5136-00-825-70887/16 (.4375)- 14 5136-00-825-70921/2 (.500) - 13 5136-00-876-89109/16 (.5625)- 1
21、2 5136-00-987-91405/8 (.625) - 11 5136-00-884-3909 5136-01-241-93863/4 (.750) - 10 5136-01-364-0509 5136-00-987-90847/8 (.875) - 9 5136-01-038-2904 5136-00-987-90851 (1.000)- 8 5136-00-987-9143 5136-00-987-9086l-1/8(1.125) - 7l-1/4(1.250) - 7l-3/8(1.375)- 6l-1/2(1.500) - 6UN- 3B3 (.099) -56 5136-01-
22、038-09554 (.112) -486 (.138) -40 5136-01-038-2912 5136-01-037-70358 (.164) -36 5136-01-037-7039 5136-01-037-703810 (.190) - 32 5136-00-825-7130 5136-00-972-04051/4 (.250) -28 5136-01-038-2907 5136-00-555-16065/16 (.3125)- 24 5136-00-825-7108 5136-00-555-I608318(.375) -24 5136-00-825-7090 5136-00-972
23、-04077/16(.4375)-20 5136-00-825-7093 5136-00-972-03991/2 (,500) -20 5136-00-825-7096 5136-00-972-04009/16 (.5625)- 18 5136-00-825-7101 5136-00-370-40545/8 (.625) - 18 5136-00-825-7102 5136-00-828-88323/4 (.750) - 16 5136-00-370-4066 5136-01-415-94587/8 (.875) - 14 5136-00-370-40761 (.I.000)- 14 5136
24、-00-972-0403 5136-00-203-7075I (.1000)-12 5i36-OO-979-89731-1/8 (1.125) - 12 5136-00-884-39141-1/4 (1.250) - 12 5136-00-987-9141 5136-00-987-90911-3/8 (1.375) - 12 5136-00-974-2789I-1L2 (1.500)- 12 5136-00-974-27924Provided by IHSNot for ResaleNo reproduction or networking permitted without license
25、from IHS-,-,-A-A-59158TABLE11. Tam. for screw thread inserts (STIh Class 2BTAPS NSN NSN NSNNominal Mead Size Class I Finishing Plug Style Class 2 Roughing Plug Style Class 3 Finishing Bottoming StyleUNC -292 (.086) -56 5136-01-089-9061 5136-01-089-90623 (.099) -48 5136-00-004-66894 (.112)-40 5136-00
26、-134-7746 5136-00-775-50305 (.125) -406 (.138)-32 5136-00-134-7745 5136-00-779-44698 (.164)-32 5186-00-134-7744 5136-00-720-198110 (.190)-24 5136-00-862-787312 (.216) -241/4 (.250) -20 5136-00-972-04065/16 (.3125)- 18 5136-00-775-50333/8 (.375) -16 5136-00-775-50327/16 (.4375) -141/2 (.500) -139/16
27、(.5625) -12 5136-00-104-41455/8 (.625) -11 5136-00-104-41463/4 (.750) -10 5136-00-987-90847/8 (.875) - 9 5136-00-987-90851 (1.000) - 8 5136-00-987-90861-1/8(1.125)- 71-1/4 (1.250) -71-3/8(1.375) -61-1/2(1.500) -6UNF 2-B3 (.099) -564(.112) -486(.138) -408 (.164) -3610 (.190) -32 5136-00-134-7749 5136
28、-00-972-04051/4 (.250) -28 5136-00-134-7747 5136-00-555-16065/16 (.3 125 )-24 5136-00-555-1608318 (.375) -24 5136-00-134-7748 5136-00-972-04077/16 (.4375) -20 5136-00-972-08991/2 (.500) -20 5136-00-972-0400)/16 (.5625) -18 5136-00-370-40645/8 (.625) -18 5136-00-370-4065 5136-00-825-88323/4 (.750) -1
29、6 5136-00-370-40667/8 (.875) -14 5136-00-370-40671 (1.000)-14 5136-00-203-7075I (1.000)-121-1/8 (1.125)-12 5136-00-987-9090l-1/4 (1.250)-12 5136-00-987-90911-3/8 (1 .375)-121-1/2 (1.500)-125Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59158TAB
30、L13111.Tam. sDark rdug. for screw thread inseds (ST1)HNominal Thread Size14- 1.25mm18- 1.55mm3.8 Type IL aes. thread plug. Type II thread plug gages for taped threads for screw threadinserts shall be ground and lapped and be of the thread sizes specified in table V for either theclass 2B or 3B threa
31、d fit. The gages shaII be “GO” or “HI” and class 2B or 3B as specified (see7.1). The gages shall be similar to figures la or lb as applicable, and shall fit the handlespecified in table V. In addition to size and thread series, each gage shall be marked either“Screw Thread Insert” or “STI” . . . .FI
32、GUREla Threa d r)Jgv zage TYoe H FIGUREIb. read DIUZg ee TYDa e I!3.8.1 handles. The gage handles shall cotiorm to Commercial Standard B for the handlenumber specified in table IV and table V.TABLEIV. Th read eaQe handleGage Handle Number001 2I3II 5 1/2 I6Provided by IHSNot for ResaleNo reproduction
33、 or networking permitted without license from IHS-,-,-A-A-59158TABL13. Class211and 313a“GO” N! B/Ill “ NIBNominal Thread Thread rIluK aeeSize HandleNo. NSNUNC - 2B UNC-3132 (.086)-56 00 5220-01-058-24953 (.099)-48 004 (,112)-40 00 5220-00-566-4064 5220-00-566-40515 (.125)-40 o6 (.138)-32 o 5220-00-5
34、66-4063 5220-00-566-40508 (.164)-32 o 5220-00-566-4062 5220-00-566-404910(.190)-24 o 5220-00-566-4061 5220-00-566-404812(.216)-24 11/4(.250)-20 1 5220-00-566-4059 5220-00-566-40465/16(.3125)-18 2 5220-00-566-4057 5220-00-568-01953/8(.375)-16 2 5220-00-566-4055 5220-00-566-40437/16(.4375)-14 3 5220-0
35、0-566-4053 5220-00-566-404I1/2(.500)-13 3 5220-00-973-I1989/16(.5625)-12 3,5/8(.625)-11 3 5220-00-058-24963/4(.750)-10 4 5220-00-973-11977/8(.875)- 9 41(1.000)- 8 5 5220-00-912-96241-1/8(1.125)-7 51-1/4(1.250)-7 51-3.8(1.375)-6 51-1/2(1.500)-6 5-1/2UN- 2B UNF-3B3 (.099)-56 004 (.112)-48 006 (.138)-4
36、0 o8 (.164)-36 o 5220-02-058-445110(.190)-32 o 5220-00-566-4060 5220-00-566-40471/4(.250)-28 1 5220-00-566-4058 5220-00-566-40455/16(.3125)-24 1 5220-00-566-4056 5220-00-566-40443/8(.375)-24 2 5220-00-566-4054 5220-00-566-40427/16(.4375)-20 2 5220-00-566-4052 5220-00-566-40401/2(.500)-20 3 5220-00-6
37、04-3305 5220-00-604-33049/16(.5625)-18 3 5220-00-972-04605/8(.625)-18 3 5220-00-802-2414 5220-00-972-04583/4(.750)-16 3 5220-00-973-11997/8(.875)-14 4 5220-00-564-79141(1.000)-14 “ 4 5220-00-972-04591(1.000)-12 41-1/8(1.125)-12 51-1/4(1.250)-12 5 5220-00-546-79131-3.8(1.375)-12 51-1/2(1.500)-12 5-1/
38、27Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-591583.8.2 Gaes. smrk Dluthread. Spmkplug theadgages shall confomto thesizes specified intable VI.TABLEVI. Garzes.spark dugthead$rNominal Handle “GO” NIB/Hl” NIBThread Size No. Thread plug gageNSN
39、14-1 .25mm 3 5220-00-545-863118-1.5mm 3 5220-00-545-86323.9 Type I11. inserting tools.3.9.1 class l.p rewinder tools.3.9.1.1 Style A inserting tools for l/z S00 Inch d smalle. r unified course and fine serie$. TheStyle A prewinder tools shall consist of a mandrel and prewinder. The front end of the
40、prewindershall have an internal thread to accept the normal size insert for which it is intended. The end ofthe mandrel shall be capable of engaging the driving tang of the insert for driving the insert intothe tapped hole. The mandrel must be retained in the prewinder in a manner to preventinadvert
41、ent disassembly. The handle may be formed as a separate piece as shown in figure 2 ormay be an extension of the mandrel and be offset by bending. Class I, Style A, prewinder toolsshall have threaded mandrels, be similar to figure 2 and be of the sizes specified in table VII.Tools shall install inser
42、ts up to 3 diameters in length.- .Reduced Diameter .“ IOptional - ., - .,.,.-”-22 f;”:.:2:%.,. . .” “ .FIGURE2. Tvpe 111.Class 1. Style A. _er msedmg tool with threadedmmdrel for In (.500) inch and. . . .wmIlerunified coarse.unified fne 1 sProvided by IHSNot for ResaleNo reproduction or networking p
43、ermitted without license from IHS-,-,-A-A-59158TABLEVII. e 111.Class 1.StvleA. th eadr ed mandrelmewinder insertirw t001s for 1/2 (.500) inch and smaherunitied coarse and fine screw thread insertsNominalThread Size I NSNUnified Coarse Series4(.112) -40 5120-00-816-57035(.125)-406(.138)-32 5120-00-81
44、6-57048(.164)-32 5120-00-237-466910(. 190) -24 5120-00-816-570612(.216) -24 5120-01-323-9722114(.250) -20 5120-00-816-57075/16(.3125) -18 5120-00-804-60553/8 (.375) -16 5120-00-797-24027/16(.4375) -14 5120-00-797-2403IL? (.400)-13 5120-00-861-1170UnifiedFineSeries3(.099)-564(.112)-48 5120-01-118+282
45、6(.138)-40 5120-00-050-9731lq.190)-32 5120-00-797-24041/4 (.250) -28 5120-00-710-74355/16(.3 125) -24 5120-00-797-2405318 (.375) -24 5120-00-710-74377/lq.4375) -20 5120-00-797-2407In (.500) -20 5120-00-672-88973.9.1.1.1 however, the insert should becomeseated after a bolt or screw is installed and t
46、ightened.5.3.3 J4arking. Tools shall be visually examined for required marking and instruction sheets(see 3.6). Tool kits shall be visually examined for index lists and instruction sheets (see 3.12.3and 3.13.1).6. PACKAGING6.1 Packaing. Preservation, packing, and marking requirements shall be as spe
47、cified in thecontract or purchase order (see 7.1).7. NOTES7.1 Orderirw data. Purchasers should select tools desired and include the following informationin he procurement documents (if applicable):a.b.:e.f.g“h.i.Title, number, and date of this CID.Type, class, style, and size of tools required (see
48、2.1 tables I through XIX and 7.2).Nominal screw thread size of tools required (see table I through XIX).When roughing taps are to be furnished for 1/2 (.500) inch or larger screw threadinserts (see 3.7.2).Specify when Class 4 taps shall be furnished with a pilot and reamer (see 3.7.4).Whether class
49、3B or class 2B tap thread size is required (see 3.7).Whether “GO” or “HI” gages are required (see 3.8).Whether class 3B or class 2B gaging is required (see 3.8).When thread repair kits are required (see 3.12 and 3.12. 1).j. Specify when a tool box for multiple size insert kits shall be furnished (see 3. 13).k. Speci& kit composition when kits for individual sizes are requi
