1、MIL-STD-1373 MIL-S-23747B (SHIPS) 15 October 1965 MILITARY s- Smm, MDIFIED, 60 STUB, DCUBLE Fcc MISC F THIS DOCUMENT CONTAINS PAGES. -. d Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-CTD.137 3 NUPICE 3 DEPAKMEW CU? DEFE13sE WHINGMN, DC 20301
2、1. 2. Beneficial coniments (reclomnendations, additions, deletions) and any This standard is approved for use by ail Departments and Agencies of the Department of Defense. pertinent data which my be of use in improving this document should be addressed tu: CcrraMnder, Space and Naval Warfare Systems
3、 COnaMnd (SPm 003-lW2) I Washington, DC 20363-5100. Supersedes page ii of KLrSTD-1373 (8 April 1971) ii Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-1373 NOTICE 3 TH W 7999911 00142111 b MIL-STD-1373 NOTICE 3 13 October 1988 S-m, E(IDDIFIE
4、, 60 STUB, =LE To ALL HCLJXS OF MIL-STD-1373: 1. THE EDLWING PAW OF MIL-STD-1373 HAVE BEEN REVISED AND SUP= THE PAGES LISTED: Cover ii 1 2 3 4 7 8 8 13 13 8 13 27 13 8 April 1971 Repr inte without change Octcher 1988 ii 8 April 1971 Cktober 1988 1 8 April 1971 April 1971 Eaepr inted without change O
5、ctober 1988 3 27 November 1972 Novenber 1972 Wrinted without change ktober 1988 7 8 April 1971 April 1971 Reprinted without change 3. Holders of MIL-STD-1373 will verify that page changes and additions indicated above have been entered. This notice page will be retained as a check sheet. a separate
6、publication. points until the military standard is completely revised or canceled. ?his issuance, together with appended pages, is Each notice is to be retained by stocking Custodians: Navy-Ec Review activities: A-% m- IS Preparing activity: Navy-Ec Agent: DLA-IS (Project THDs-0072) User activities:
7、 Navy - Ac, SHI YD . I.-:- pISTRIBlION STATp1ENT A. Approved for public release; distribution is unlimited. ,/ Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-1373 NOT1 CE-2 - 27 November 1972 MILITARY STANDARD SCREW-THREAD, MOD IF IED, 60, S
8、TUB, DOUB Lt TO A LL HOLDER S OF M I L- STD- 1373. 1. New Page Date SUPERSEDED PAGE Da te - 3 27 November 1972 3 8 April 1971 4 27 November 1972 4 8 April 1971 11 27 November 1972 11 3 November 1971 12 8 April 1971 (Reprinted without change) 13 27 November 1972 13 8 April 1971 14 8 April 1971 (Repri
9、nted without change) 2. Retain this Notice and insert before the table of contents. 3. Holders of MIL-STD-1373 will verify that page change(s) and addition(s) indicated above have been entered. check sheet. This issuance, together with appended page(s), is a separate publication, Each Notice is to b
10、e retained by stocking points until the Mi 1 i tary Standard i s completely revi sed or cancel 1 ed. The Notice page will be retained as a Custodians : Navy - EC Amy - EL Preparing acti vi ty : (Project MISC-0869) Navy - EC Review acti vi ti es : Amy - SC User acti vi ti es : Navy - YD, SH, AS FSC M
11、ISC . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MI”D-1373 NOTICE 1 3 November 1971 MILITARY STANDIIRJI SCREW-THREAD, MODIFIED, 60, STUB, DOUBLE To all holders of MIL-STD-1373. 1. the pageCs) listed: The following page(s) of MIL-STD-1373 have be
12、en revised and supersedes New Page Date - Superseded Page Date - 11 3 November 1971 11 8 April 1971 12 8 April 1971 (Reprinted without change) 2. Retain this Notice and insert before the table of contents. 3. indicated above have been entered. check sheet. publication. Military Standard is completel
13、y revised oc cancelled. Holders of MIL-STD-1373 will verify that page change(s1 and addition(s) The Notice page will be retained as a This issuance, together with appended page(s), is a separate Each Notice is to be retained by stocking points until the Custodians: Navy - EC Amy - EL Review activiti
14、es : Amy - SC User activities: Navy - YD, SII, AS Preparing activity: (Project MISC-0793) p Navy - EC i P Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-STD-1373 NOTICE 3 TH W 7777711 001217 1 LIIL-STD-1 i3 6 -ip:*i; 197 CONTENTS Paragraph Page
15、1 . SCOPE 1 1.2 Classification 1 1.3 Designation 1 . . 2 . REFERENCED DOCUh/IENTS . 1 3 . 3.1 4 . 4.1 5 . 5.1 5.2 5.3 5.1 5.5 5.6 5.7 5.7.1 5.7.2 5.7.3 5.8 Figure 1 . 2 . 3 . Table I . II . III . IV . V . VI . VII . VIII . 0; . x . SI . XII . III1 . SIV . DEFINITIONS . 7 Definition and application .
16、 7 GENERALREQUIREMENTS . 7 Not applicable . 7 DETAILED REQUIREMETS . 7 Basic thread data . 7 Thread series . 7 Thread classes . 7 Surface roughness 7 Gages for plated threads Gagewear . 7 YNo Go“ gaging Formofthread 7 Thread start 7 Gages 7 7 7 Workmanship . 7 FIGURES Page Basic dimensions . Class 2
17、4 and 2B threads 8 Thread engagement for Class 2A and 2R threads 9 Thread start 11 r-agt: Class 2A. . 05 Pitch. Modified 60OStub I*:xtcrnal Double Thread Series. Symbol 1)s-2.1 . Class 2A. 0.1 Pitch. Modified 60 Stub I“xtcrna1 Double Thread Series. Symbol DS-ZA . Class 2B. . 05 Pitch. Modified 60“ S
18、tub Internal Double Thread Series. Symbol DS-2B 2 2 Class 211. . 1428 Pitch. Modified 6O“Stub Tkternal Double Thread Series. SpbolDS-2A 3 . 3 3 Class 2B. 0.1 Pitch. Modified 60 Stub Internal Double Thread Series. Synibol DS-2B . I . Class 2B. . 1428 Pitch. Modified 60“ Stub Internal Double Thread Se
19、ries. Threaddata 5 Double 6OOStub Modified Thread Form Easic Dimensions. . 05 Pitch (See figuro 1) . 10 Double 60“ Stub Modified Thrcad Forni Itasi c Dirncnsions. 0.1 Pitch (Sce figure 1) . !O Double 60“ Stub hlcdiicd rhad llorin l:.asic ilini .r( c 5 a, o 5 o O P $: I/) .r( A E $32 EEE _ . .- - 5 P
20、rovided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-1373 8 April 1971 al i1 2 o anlaNa o 00000 I o-ooooo zp?9?9 d D( ,I VI O O 9 v1 v1 d G 8 al M i C c o! al d k cl O z r( E-i II II II II II II CI h N al X II II Il II II II 6 Provided by IHSNot fo
21、r ResaleNo reproduction or networking permitted without license from IHS-,-,-mL-STD-137 3 NrnICE 3 5.1 The double stub 60 modified screwthread form, as sham in Eigures 1 Emd 2, shall be USXI for all screwthreads covered by this StandaKl. 5.2 *ic thread3 Wed size limits for the double stub 60 MifieEl
22、 sere:.Fdx-ead are given in tables I thrwgh VI inclusive. Widths of flats derived from these limits me given in tables VIII, IX and X. 5.3 Series of threads are classified and distinguished from For double stub threads in this standard, each other by (1) thkg nmber of threads per inch (pitch) applie
23、d to specific dianeters ancl by (2) the relationship of lead to pitch, i.e., lead equaltto double, or triple the pitch. lead is double eha pitch. 5.4 -ses. the ainaunt of blerance and allmance specifiedd. are or Class 2A/2B VIII. Double 60 Stub Mbdified Thread Form Basic Dimensions, .O5 Pitch I Thre
24、ad Size .25 O0 I I 1 MX Max Min I Basic I Min I I I i .O1461 .o1 11 I .O135 1 .O077 1 .O171 t t 1 -_ - .O125 1 1 .3750 .5000 .5625 .6250 Note: Formulas for these values are given in table XI. TABLE IX. Double 60 Stub Modified Thread Form Basic Dimensions, O. 1 Pitch (See figure i) 1 Width of Flats 1
25、 - Total iyernal Thread (Screw) Internal Thread (Eut) I Depth of Thread (Basic) h Depth of pr-s- -. _ FR (Minor D.) I FR (Major D.) Thread Size - .6875 .7500 .8750 1.0000 FC (Minor D.) ,0385 Thread Basic - Basic - .O327 1 .O350 I _ 1.1250 1.2500 1.3750 1.5000 1.7500 2.0000 2.2500 2.5OO 2.6230 3.7510
26、0 3.00017 i 3.2900 10 $1 .o: .O - .o .o _ .o .o - .o Kote: Formulas for thew values are given in table XI. 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-1373 NOTICE 3 TH I 7777711 0014228 b m MIL-STD-13 j3 27 November 1972 TABLE X. Doubl
27、e 60 Stub Modified Thread Form Basic Dimensions, .1428 Pitch (See figure i) Thread Size 2.0000 2.2500 2.7500 3.0000 3.2500 3.5000 Note: I Width of Flats I External Thread (Screw) Internal 1 Depth Total of Thread Depth Fc (Major D.) FR (Minor D.) FC (Minor D.) h Max I Basic I e Formulas for these val
28、ues are given in table XI. TABLE XI. FORMLTLAS FOR CALCULATING WIDTH OF FLATS read (Nut) FR (Major D.) Basic .O324 I Max Min - .o394 .O209 i External Thread (screw) Fc (Major Dia) BASIC = Pl2 - MAX = Pl2 - MIN = Pl2 - BASIC = P/2 - MAX = Pl2 - FR (Minor Dia) MIN = P/2 - (Max Major D. Screw) - Max P.
29、D. screw) tan 30“ (Min Major D. Screw) - (Max P. D. screw) tan 30 (Max Major D. screw) - (Min P. D. screw) tan 30 (Max P. D. screw) - (Max Minor D. screw) tan 30 (Min P. D. screw) - (Max Minor D. screw) tan 30“ (Max P. D. screw) - (Min Minor D. screw) tan 30 Internal Thread (nut) Fc (Minor Dia) BASI
30、C = Pl2 - MAX =P/.2- MAX = Pl2 - MIN = P/2 - FR (Minor Dia) BASIC = P/2 - MIN = Pl2 - (Min P. D, nut) - (Min Minor D. nut) (Min P. D. nut) - (Max Minor D. nut) (Max P. D. nut) - (Min Min0.r D. nut) (Min Major D. nut) - (Min P. D. nut) (Min Major D. nut) - (Max P. D. nut) (Max Major D. nut) - (Min P.
31、 D. nut) tan 30“ tan 30“ an 30 tan 30 tan 30“ tan 30 * N. LENGTH OF PILOT CE TO START OF 1.5P-MIN. LENGTH OF PILO FROM FACE TO START OF SECOND THREAD THREAD INTERNAL EXTERNAL FIGURE 3. Thread start. 11 Supersedes page 11 of .3 November 1971. Provided by IHSNot for ResaleNo reproduction or networking
32、 permitted without license from IHS-,-,-MIL-STD-1373 NOTICE 3 MIL-STD-1373 8 April 1971 ooomo OmONm *Domri N ?Y-? II II d II Y ooomo NPN7P- mma)+o N? II m mmmom omomm rnmeo*o ?Y? ooomo OmONm UJPOIDN Y?.? mooooo 000000 % c-omomo1mooooo Q CQmt-ONm F-omomo z 41yO-N mmt-ONm t;i Il 2221 222niN.4 12 Provi
33、ded by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-h a d U O 8 v 4 U .d E!* Hrl MIL-STD-I373 NOTICE 3 TH m 77777II OOI4230 4 m . 6 2.52 2?i4 mrl w 2.52 244 mrl w p- 13 MIL-STD-1373 27 November 19 72 Supersedes page 13 of 8 April 1971 -a= Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-U. L GOVERNMENT PRINTIN0 OFFICE: 1972 -714-540/2881 14 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
