ALL DIMENSIONS IN INCHES THREAD SIZE C max D max TOLERANCE +0 -0.02 UP TO 1/2" +0 -0.03 1/2" TO 1" +0 -0.06 1" TO 2" INSTAL. Head Driver Size TORQUE RECOM. CLEAR. HOLE (max.) LENGTH TYPICAL CLEARANCE HOLE DETAIL 1/4" to 1" incl. 3/16" to 1" incl. 1/4" to 1" incl. 1/4" to 1" incl. 3/8" to 1" incl. 3/8" to 1" incl. 3/8" to 11/4 " incl. 5/16" to 11/4 " incl. STANDARD SPECIFICATIONS & COMMON OPTIONS (HOW TO ORDER) STD. SCREW MATERIAL: TYPE 18/8 STAINLESS STEEL PER DFARS (OTHER MATERIALS AVAILABLE) STD. SCREW FINISH: NATURAL (PASSIVATED QQ-P-35 UNLESS OTHERWISE SPECIFIED) STD. O-RING MATERIAL: SILICONE RUBBER (SEE TABLE FOR O-RING OPTIONS) 2-56 UNC-2A 4-40 UNC-2A 6-32 UNC-2A 8-32 UNC-2A 10-24 UNC-2A 10-32 UNF-2A 1/4-20 UNC-2A 1/4-28 UNF-2A 0.181" 0.238" 0.294" 0.347" 0.403" 0.403" 0.517" 0.517" 0.062" 0.080" 0.097" 0.115" 0.133" 0.133" 0.175" 0.175" SAMPLE CATALOG NO. SCREW TYPE R THREAD 2-56 X LENGTH 1/4 O-RING SUFFIX -2701 OPTIONS -BLKOX 2.5 inch lbs 5.2 inch lbs 9.6 inch lbs 19.8 inch lbs 22.8 inch lbs 31.7 inch lbs 75.2 inch lbs 94 inch lbs 0.095" 0.128" 0.149" 0.177" 0.201" 0.201" 0.250" 0.250" R2-56X1/4-2701-BLKOX PAN HEAD WITH CROSS RECESS ENTER BASIC THREAD SIZE ENTER LENGTH ENTER FROM TABLE ENTER FROM TABLE AVAILABLE O-RING MATERIALS Service Compound Material Temp. Suffix -150F to 500F Silicone -2701 Rubber -101C to 260C Fluoro-78F to 450F -2615 Silicone -61C to 232C Rubber -20F to 400F -5701 Viton A -29C to 204C Buna N -65F to 250F -4601 (NBR) -54C to 121C Neoprene -65F to 300F -3701 (EPR) -54C to 149C Ethylene Propylene -65F to 300F -7601 -54C to 149C (EPDM) COMMON OPTIONS SUFFIX DESCRIPTION -BLKOX -NY -LY -TP -HTP CHANGED MIN. LENGTH OF 4-40 UNC-2A FROM 1/4" TO 3/16" CHANGED CLEAR. HOLE MAX and SCREW FINISH, TOOK OFF MIN. and ADDED INST. TORQUE LENGTH TOLERANCES CHANGED ACCORDING TO "MS" STANDARD ADDED "PER DFARS" FOR THE SCREW MATERIAL NEW DRAWING FORMAT CHANGED LENGTH TOLERANCE and ADDED Note MAT'L: AS NOTED FINISH: AS NOTED SEELSKREW PAN HEAD CROSS RECESSED APM-HEXSEAL CORPORATION ENG. DWN. CHKD. SCALE BLACK OXIDE PER MIL-C-13924A, CLASS 2 LOCKING NYLON PELLET LOCKING NYLON STRIP LOCKING NYLON STD. PATCH HIGH TEMP. LOCKING NYLON PATCH S. GOK S. GOK S. GOK S. GOK S. GOK S. GOK DESCRIPTION S. GOK S. GOK J. CELLA DWG. NO. MAXIMUM AND MINIMUM MEASUREMENTS ARE STATED DIRECTLY ON EACH DIMENSION. TITLE: R P O N M L REV. #1 #1 #2 #2 #2 #2 #3 #3 07.12.10 04.13.10 03.10.10 07.02.09 01.21.09 06.10.08 DATE 06.10.08 06.10.08 06.10.08 R-0000-00-00 THIS DRAWING COVERS PROPRIETARY ITEM AND IS THE PROPERTY OF THE APM-HEXSEAL CORPORATION. THIS DRAWING IS NOT TO BE COPIED OR USED WITHOUT THE WRITTEN APPROVAL OF AN OFFICER OF THE APM-HEXSEAL CORPORATION. Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: APM HEXSEAL: R4-40X5/16-4601 BACIJZZZZAEZZ R2-56X5/16 2701 Blk Oxide