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ALL DIMENSIONS IN INCHES TOLERANCE +0 -0.02 UP TO 1/2 +0 -0.03 1/2 TO 1 +0 -0.06 1 TO 2 INSTAL. RECOM. CLEAR. Head THREAD SIZE C max D max LENGTH TYPICAL CLEARANCE HOLE DETAIL HOLE (max.) Driver Size TORQUE 2-56 UNC-2A 0.181 2.5 inch lbs 0.095 0.062 1 1/4 to 1 incl. 4-40 UNC-2A 0.238 0.080 5.2 inch lbs 0.128 1 3/16 to 1 incl. 6-32 UNC-2A 9.6 inch lbs 0.294 0.097 2 0.149 1/4 to 1 incl. 8-32 UNC-2A 0.347 0.115 19.8 inch lbs 0.177 2 1/4 to 1 incl. 10-24 UNC-2A 0.403 0.133 22.8 inch lbs 0.201 2 3/8 to 1 incl. 10-32 UNF-2A 0.403 0.133 31.7 inch lbs 0.201 2 3/8 to 1 incl. 1/4-20 UNC-2A 0.517 0.175 75.2 inch lbs 0.250 3 3/8 to 11/4 incl. 1/4-28 UNF-2A 94 inch lbs 0.250 0.517 0.175 3 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) AVAILABLE O-RING MATERIALS COMMON OPTIONS SAMPLE CATALOG Compound Service R2-56X1/4-2701-BLKOX Material SUFFIX DESCRIPTION NO. Temp. Suffix BLACK OXIDE PER Silicone -150F to 500F PAN HEAD WITH -2701 Rubber -101C to 260C -BLKOX MIL-C-13924A, SCREW TYPE R CROSS RECESS CLASS 2 Fluoro- -78F to 450F LOCKING NYLON -2615 Silicone -61C to 232C -NY ENTER BASIC Rubber PELLET THREAD 2-56 THREAD SIZE -20F to 400F LOCKING NYLON -5701 Viton A -LY -29C to 204C STRIP X Buna N -65F to 250F LOCKING NYLON -4601 -TP (NBR) -54C to 121C STD. PATCH LENGTH 1/4 ENTER LENGTH Neoprene HIGH TEMP. -65F to 300F -3701 (EPR) -54C to 149C -HTP LOCKING NYLON O-RING SUFFIX -2701 ENTER FROM TABLE PATCH Ethylene -65F to 300F Propylene -7601 -54C to 149C OPTIONS -BLKOX ENTER FROM TABLE (EPDM) R CHANGED MIN. LENGTH OF 4-40 UNC-2A FROM 1/4 TO 3/16 S. GOK 07.12.10 P CHANGED CLEAR. HOLE MAX and SCREW FINISH, TOOK OFF MIN. and ADDED INST. TORQUE S. GOK 04.13.10 LENGTH TOLERANCES CHANGED ACCORDING TOM STANDARD S. GOK 03.10.10 O ADDEDPER DFAR FOR THE SCREW MATERIAL S. GOK 07.02.09 N NEW DRAWING FORMAT S. GOK M 01.21.09 CHANGED LENGTH TOLERANCE and ADDED Note L S. GOK 06.10.08 REV. DESCRIPTION DATE MAXIMUM AND MINIMUM MEASURE- ENG. S. GOK 06.10.08 MENTS ARE STATED DIRECTLY ON SEELSKREW PAN HEAD EACH DIMENSION. DWN. S. GOK 06.10.08 CROSS RECESSED CHKD. J. CELLA 06.10.08 MAT L: AS NOTED SCALE R-0000-00-00 APM-HEXSEAL CORPORATION FINISH: AS NOTED 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. TITLE: DWG. NO.