ALL DIMENSIONS IN INCHES TOLERANCE +0 -1/32 UP TO 1" +0 -1/16 1" TO 2" THREAD SIZE P NOM. H max 1/4-28 UNF 2A 1/4-20 UNC 2A 5/16-24 UNF 2A 5/16-18 UNC 2A 3/8-24 UNF 2A 3/8-16 UNC 2A 7/16-20 UNF 2A 7/16-14 UNC 2A 1/2-20 UNF 2A 1/2-13 UNC 2A 5/8-11 UNC-2A 3/4-10 UNC 2A 0.510" 0.510" 0.580" 0.580" 0.650" 0.650" 0.720" 0.720" 0.870" 0.870" 1.083" 1.300" 0.163" 0.163" 0.211" 0.211" 0.243" 0.243" 0.291" 0.291" 0.323" 0.323" 0.403" 0.483" Flats RECOM. CLEAR. HOLE max MIN. MAX. 0.269" 0.440" 0.265" 0.269" 0.440" 0.265" 0.502" 0.332" 0.336" 0.502" 0.332" 0.336" 0.565" 0.395" 0.399" 0.565" 0.395" 0.399" 0.627" 0.467" 0.471" 0.627" 0.467" 0.471" 0.752" 0.530" 0.534" 0.752" 0.530" 0.534" 0.940" 0.660" 0.665" 1.127" 0.785" 0.790" LENGTH TYPICAL CLEARANCE HOLE DETAIL 3/8" to 3/4" Incl. 3/8" to 3/4" Incl. 1/2" to 7/8" Incl. 3/8" to 7/8" Incl. 5/8" to 1" Incl. 1/2" to 1" Incl. 5/16" to 1" Incl. 5/16" to 1" Incl. 1/2" to 1 1/4 " Incl. 3/4" to 1 1/4" Incl. 11/4 " Incl. 11/2 " 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 PER MIL-STD-171 UNLESS OTHERWISE SPECIFIED) STD. O-RING MATERIAL: SILICONE RUBBER (SEE TABLE FOR O-RING OPTIONS) SAMPLE CATALOG NO. SCREW TYPE ENTER BASIC THREAD SIZE 1/4-20 X 1/2 -2701 -BLKOX ENTER LENGTH ENTER FROM TABLE ENTER FROM TABLE COMMON OPTIONS AVAILABLE O-RING MATERIALS Compound Suffix -2701 -2615 -5701 -4601 -3701 -7601 Material Silicone Rubber FluoroSilicone Rubber Viton A Buna N (NBR) Neoprene (EPR) Ethylene Propylene (EPDM) Service Temp. -150F to 500F -101C to 260C SUFFIX -78F to 450F -61C to 232C -20F to 400F -29C to 204C -65F to 250F -54C to 121C -65F to 300F -54C to 149C MAT'L: AS NOTED FINISH: AS NOTED SEELBOLT (R), HEX HEAD THREADED TO HEAD APM-HEXSEAL CORPORATION -BLKOX -NY LOCKING NYLON PELLET -LY LOCKING NYLON STRIP -HTP LOCKING NYLON STD. PATCH HIGH TEMP. LOCKING NYLON PATCH -65F to 300F -54C to 149C S. GOK S. GOK S. GOK ENG. DWN. CHKD. SCALE FRUMENTI DWG. NO. MAXIMUM AND MINIMUM MEASUREMENTS ARE STATED DIRECTLY ON EACH DIMENSION. DESCRIPTION BLACK OXIDE PER MIL-C-13924A, CLASS 2 -TP ADDED THREAD SIZE 5/8-11 and 3/4-10 ADDED "PER DFARS" FOR THE SCREW MATERIAL NEW DRAWING FORMAT CAD COMPUTER GENERATED DESCRIPTION TITLE: K J I H REV. HEXAGON HEAD SEELBOLTS ST THREAD LENGTH O-RING SUFFIX OPTIONS ST1/4-20X1/2-2701-BLKOX 02.22.11 07.02.09 01.21.09 12-23-02 DATE 6-23-60 ST-0-0-00-0 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: ST1/2-13X2 ST1/2-13X2-1/2 ST1/2-13X3 ST1/2-13X3-1/2 ST1/2-13X4 ST1/4-20X1-1/2 ST1/4-20X1-1/4 ST1/420X1-3/4 ST1/4-20X2 ST1/4-20X2-1/2 ST1/4-20X3 ST3/8-16X1-1/2 ST3/8-16X1-1/4 ST3/8-16X1-3/4 ST3/8-16X2 ST3/8-16X2-1/2 ST3/8-16X3 ST5/16-18X1-1/2 ST5/16-18X1-1/4 ST5/16-18X1-3/4 ST5/16-18X2 ST5/16-18X2-1/2 ST5/16-18X3 ST1/4-20X3/8