1、US51950 REV C 53 9999912 0006359 b W .A ARMY-AT khef Cut1 o A/- 9T %ROCiJEUEHT SPECIFICATIMI NONE 0-o/- I FED. SUP CLASS MILITARY ST AN DARD TITLE STUD, SHOULDERED: WHEEL MOUNTING MS 51950 SUPERSEDES SHEET I WI 537857. 537856, 537867, 537868, 8332188, 8332189 D.i FULL THREAD BURRS PERMISSIBLE THIS S
2、URFACE RIGHT HAND THREAD L n A.020TIR 1% PART NO. IFORMER PART NO.I A I B I c I D ITHREADI o 1. THL MATERIAL SliALL Bi SILUL ALLOY L135, 4137, 4140, 5i35, 5140 6640, 8740 PER ASTM A322 O 4i35, 4i37,.1.i40, 8637, 8640, 6750 PER ASTM A547 Oh- d5, 41571 4140, 5135, 5140, 6637 6637, 8640, 8740 PEU I.IIL
3、-S-si72 FORGING GRADE D. i. HEAT TRGATIGNT: QUENCH HAkDLN AND TEIPER COHL. HARDGESS RHC Z-34. SURFACE CARBON Ki- STOUTION IN NON-NITkIDINC ATMOSPHERG PERJ6ISSIBLE, IF NECESSARY. 3. MECHANICAL AND PERFORFANCE FEQUIEMENTS: KIGIbiUN PROOF LOAD 85,000 PSI. hlINIMlJI.1 AXIAL BEND TEST STUD SHALL YITHSTAI
4、iD A TEN DCGILEE BEND UITBOUT TUSILE STRMGTH 120,000 PSI. EMKING WKLN HELD IN A VISE WITH THU THKADS UPOSOD. 4. ALL THLDS SHALL BE OLLOD; TKFEADS TO BE IN ACCONIANCE WITH FEDERAL sEnv1cu HANDBOOK m. 5. PRTLCTIVE FINSH: ZINC PLATE Ph3 Uk-2-325, TYPE II CLASS Z 03 CADMIUM PLATE PER CIY-P-L, TYPE II CA
5、LSS L. HYDROCEN EBfLITTLMLNT UIEF FlEQUIRED WITliIN FOUh HOURS AFTLA PLATING. 6. KARKING SHALL CONSIST OF THE Ms PArLT NUMBER AND MANUFACTUGRS IDWTIFICATION IN ACCOdANCE WITH I.IIL-STD-130. NOTES: 1. DIffiNSIONS ARE IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLLZANCZS ARE 2 .O1 ON DECIMALS, - + lo ON A
6、NGULAR DIMCNSIONS. 2. THIS STANDARD IS NOT INTENDED TO LIMIT CONSTRUCTION FiATURF.5 OTHSR THAN AS SHOWN HEHEON BY DIMENSIONS, NOTATIONS, AND WWCED DOCULXENTS. 3. REFEkENCED DCCUMTS SHALL BE OF THE ISSUE IN EFFECT ON DATE OF INVITATIONS FOR BIDS, OK WULST FOR PROPOSALI EXCEPT THAT RLTEGNCLD ADOPTED INDUSTRY DOCUMENTS SHALL GIVE THE DATE OF THE ISSUE ADWTLD. Licensed by Information Handling Services