54 NAS Terminals NAS (National Aeronautical Standards) DASH SHANK LENGTH} MTG. BOARD NUMBER L 2.003 THICKNESS -1 .078 1/32 2 109 1/16 -3 141 3/32 +4 172 1/8 DASH SHANK LENGTH| MTG. BOARD NUMBER L THICKNESS -l1 075 1/32 -2 105 1/16 3 135 3/32 4 165 1/8 DASH SHANK LENGTH] MTG. BOARD tr 188 087 DIA, aa t CSK 90 X .110 DIA. = 109 (A 004 TIA o 031 =4 | ooo t a ee ee ee -186 _1i Lise t.002 PART NO. NAS 704 H.063 | co] [a 020 TYP ae ar a. 010. Tye T. 047 2125 .042 7.002 090 7,002 094 7-990 typ, 0635 DIA. 7983 gree MAX. PART NO. NAS 705 360 NUMBER L_+.003 THICKNESS oy ~1 O75 1/32 | -2 109 W/16 a = paces -3 141 3/32 .065 DIA, TYP 4 172 1/8 oiemaxn 14g 77389 rve 046 5 195 5/32 078 DIA. 6 230 3/16 EXCEPT -8 295 1/4 PART NO. NAS 707 MATERIAL: Commercial brass, Federal Spec. ASTM B16, Alloy 360, 1/2 hard, anneal to hardness R, 50 max. FINISH: When required: Electroplated solder over copper NOTES: plate; silver plate with water dip lacquer; or gold plate over cop- 1. All machined surfaces in accordance with MIL-STD-10 2. Dimension to be held after plating 3. Remove all burrs and break all sharp edges .015 maximum, fillet radii .010 4. Dimensions in inches unless otherwise specified 5. Tolerances: Decimals +.005, angles +1 6. Type D terminals are to be checked for porous gold plating by immersion in a solution of one part nitric acid diluted with one part distilled water, by volume, for a period of 30 seconds (minimum) without any visible reaction or by any other equivalent test approved by procuring source 7. Drafting symbols per MIL-STD-8 Winchester Electronics 400 Park Road * Watertown, Ct 06795-0500 * Phone:(860)945-5000 * FAX: (860)945-5191 E-MAIL: useco @litton-wed.com per plate. (See Code) CODE: Letter between basic part number and dash number indicates finish: CY = Tin Lead .0003 min per Mil-P-81728 over Copper .0001 min per Mil-C-14550, Class 4. (USECO -45) Reflow Dp = Gold .000050 min per Mil-G-45204, Type I over Copper .0001 min per Mil-C-14550, Class 4. (USECO -3) Silver plate .0002 min per QQ-S-365, Type II with water dip lacquer. (USECO -1) EXAMPLE OF PART NUMBER: NAS70482 = gy Terminal stud, turret, hollow, midget, commer- cial brass, shank length .109, mounting board thickness 1/16 inch.