1、MSSL75L REV C 53 m 7779732 0006360 2 m .A. ARMY-AT +ni Curt n D-Q/-/ I MILITARY STANDARD TITLE STUD, SHOULDERED AND STEPPED: L 32 URS PND CPWTY AT iU END #WSSiU AF-97 s) ROCVREUENT SPECIFICATION unuc 4$ 786 DIA MS 51951 WHEEL MOUNTING WEET I WI SUPERSEDES: 8687046. 8687047 i P= DIA - T; PILOT I UN-2
2、A (SEE TABLE) 1$-16 UNF-2A-RH o REWIR,bE#TS: THIS SURFACE MUST BE FLAT AND FREE OF BURRS 1. THE WTERIAL SHALL BE STEEL ALLOY 4135 4137, h140, 5135, 5140, 8637 8640, 8740 PEh ASTM 8640, 8740 PER ASTM A5L7 OR 4i35, 4137, 4140, 5135, 5140, A322 OR 4135 8637, 8640, 4740 PER MLGSTD-46172 FORCING GRADE D.
3、 4137, 4140, 8637 2. HEAT TREATICNT: GULNCH HARDLN AND TEMPER CORE HARDNESS RHC 28-34. SURFACE CARBON RE- STORATION IN NOH-NITRIDING ATVDSPHEa PERMISSIBLE, IF NECESSARY. 3. MECHANICAL AND PERFORMANCE REQUIREMENTS: MINIMUM PROOF LOAD 85,000 PSI. MINIMUM AXIAL TENSILE STKENGTH 120 000 PSI. BEND TEST S
4、TUD SHALL WITHSTAND A TEN DEGREL BEND WITHOUT BRLAKING WHEN HELD Ik A VISE WITH THREE THREADS EXPOSED. ALL THREADS SHALL BE ROLLED; THZZADS TO BE IN ACCORDANCE WITH FEDERAL SLRVICES HANDBOOK H28. TYPE II CLASS 2. HYDROSEN PIBRITTLFHENT RELIEF RWJIRED WITHIN FOUR HOURS AFTER PLATING. MARKING SHALL CO
5、NSIST OF THE Hs PART NUMBER AND MANUFACTURERS IDENTIFICATION IN ACCORDANCE WITH MIGSTD-130. 4. 5. PROTECTIVE FINISH: ZINC PLATE PER PQ-2-325, TYPE II CLASS 2 OR CADMIUM PLATE PER QU-P-416, 6. NOTES: 1. DIMENSIONS ABE IN INCHES. - + 10 ON ANGULAR DIMENSIONS. THIS STANDARD IS NOT INTENDED TO LIMIT CON
6、STRUCTION FEATURE5 OTHER THAN AS SHWN HEXEON BY DNSIONS, NOTATIONS, AND RFWCED DOCUMENTS. REFERENCED DOCUMENTS SHALL BE OF THE ISSUE IN EFFECT ON DATE OF INVITATIONS FOR BIDS, OR mUEST FOR PROPCSAL, EXCEPT THAT REFERENCED ADOPTED INDUSTRY DOCUMENTS SHALL GIVE THE DATE OF THE ISSUE ADOPTED. UNLESS OTHERWISE SPECIFIED, TOLERANCES ARE 2 .O1 ON DECIMALS, 2. 3. .-. 1 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
