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5/16-24  20-28  16-20  15-23  10-14 
3/8-24  34-56  31-37  25-46  17-28 
7/16-20 58-95  42-50  42-78  29-48 
1/2-20  98-147  56-65  71-121  50-73 
9/16-18  147-203  90-113  113-166  79-104 
5/8-18  215-260  153-186  158-215  113-136 
3/4-16  373-486  316-373  271-396  192-243 
7/8-14  576-757  328-508  418-622  294-384 
1-12 OR 1-14  791-1232  701-791  576-1006  407-621 
1-1/8-12  1074-1469  938-1062  780-1209  554-757 
1-1/4-12 1-3/8-12 1-1/2-12  1785-2170 2260-2712 --- 1243-1356 1808-1921 --- 1300-1774 ------ 848-1096 ------

WHEN YOU USE THE PROCEDURE TO WRENCH THE HEAD OF THE BOLT AS YOU INSTALL IT (SUCH AS WHEN YOU INSTALL THE BOLTS INTO PLATE NUTS, CLIP NUTS, BARREL NUTS, INSERTS OR TAPPED HOLES), USE THE MAXIMUM TORQUE SHOWN IN THE TABLE FOR THE NUT |10%.
WHEN YOU INSTALL B30LE OR B30PN BOLTS WITH AN N10HR NUT, USE THE TORQUE VALUES GIVEN WITH THE N10GW NUTS.
LUBRICATED BOLTS INCLUDE DRY-FILM-LUBRICATED (MIL-L-8937) BOLTS AND BOLTS WITH ANTI-FRICTION COMPOUNDS SUCH AS EASE-OFF 990, MIL-C-11796 AND MIL-G-23827 APPLIED TO THE THREADS.
Standard Torque Values for Bolts and Nuts (Newton meters)
Figure 203 (Sheet 1)

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 ú  C01  Page 210
 ú  Nov 15/91 

BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
NUT TIGHTENING TORQUE 1 
PART NUMBER  N10JC (SHEET METAL HEX-SIZES #4 THRU 7/16 ONLY),  AN316, AN316C, NAS509, NAS1423 
N  AND STYLE  ALL PLATE-NUTS EXCEPT N10JA, N10JB, AND N10RM,  (JAM NUTS), N10JC, MS21245 
U  ALL CLIP-NUTS, INSERTS, AND TAPPED HOLES, MS21042 HEX, MS21043 HEX, N10JD (CASTELLATED- N10JD, MS14145 (CASTELLATED-(HEX SIZES 1/2 THRU 1-1/2), 
T  THICK STYLE ALL SIZES 3/16 THRU 1-1/4), MS14144  THIN STYLE ALL SIZES -103 
(CASTELLATED- THICK STYLE)  THRU -120) 
STYLE  POINT 12- HEX HEAD  PAN HEAD  100` HEAD  SOCKET HEAD  ALL 
PART NUMBER  B30LT  B30LJ  B30LK  B30PC  MS21262  ALL 
B30NL  B30NR  B30NT  B30LH  MS24678 
B  B30NJ  B30NF  B30BE  B30RF  NAS1351 
O L T  B30NK B30UU  B30PF B30PU S12CB NAS563 THRU 572 NAS1801 B30PW NAS1802 NAS6203 THRU NAS6220  B30BG NAS1217 NAS1218 NAS600 NAS606 NAS623 THRU  B30SW B30UW  NAS1352 
THREAD SIZE  TORQUE (N.m) 
DRY BOLT  LUBED BOLT 3  DRY OR LUBED BOLT 3 
2-56 OR 2-64  0.4-0.5  0.4-0.5  0.4-0.5 
4-40 OR 4-48  0.7-0.9  0.7-0.9  0.7-0.9 
6-32 OR 6-40  1.4-1.7  1.4-1.7  1.4-1.7 
8-32 OR 8-36  1.7-2.3  1.7-1.9  1.7-1.9 
10-32  3-4  2-3  2-3 
1/4-28  6-9  6-8  3.5-6 
5/16-24  11-17  10-14  7-11 
3/8-24  18-27  17-23  11-18 
7/16-20 28-40  27-34  25-32 
1/2-20  54-89  50-73  33-58 
9/16-18  90-130  79-104  54-96 
5/8-18  124-170  113-136  75-111 
3/4-16  260-339  192-243  147-226 
7/8-14  282-508  294-384  170-373 
1-12 OR 1-14  418-848  407-622  249-599 
1-1/8-12  565-1017  554-757  339-701 
1-1/4-12 1-3/8-12 1-1/2-12  1017-1469 ------ 848-1096 ------ 610-972 791-1017 1130-1356 

WHEN YOU USE THE PROCEDURE TO WRENCH THE HEAD OF THE BOLT AS YOU INSTALL IT (SUCH AS WHEN YOU INSTALL THE BOLTS INTO PLATE NUTS, CLIP NUTS, BARREL NUTS, INSERTS OR TAPPED HOLES), USE THE MAXIMUM TORQUE SHOWN IN THE TABLE FOR THE NUT |10%.
WHEN YOU INSTALL B30LE OR B30PN BOLTS WITH AN N10HR NUT, USE THE TORQUE VALUES GIVEN WITH THE N10GW NUTS.
LUBRICATED BOLTS INCLUDE DRY-FILM-LUBRICATED (MIL-L-8937) BOLTS AND BOLTS WITH ANTI-FRICTION COMPOUNDS SUCH AS EASE-OFF 990, MIL-C-11796 AND MIL-G-23827 APPLIED TO THE THREADS.
Standard Torque Values for Bolts and Nuts (Newton meters)
　
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