Thinwall Inch Series - Carbon Steel
| Internal Thread | External Thread | Length | Distributor | Fairchild | Others | MS-part # | NAS-part # |
| 10-24 | 5/16-18 | 0.31 | 25921 | RKKA10-24 | 65921 | MS51830A-105 | |
| 10-32 | 26121 | RKKA10-32 | 66121 | MS51830A-201 | NAS1394C3 | ||
| 1/4-20 | 3/8-16 | 0.37 | 25922 | RKKA1/4-20 | 65922 | MS51830A-106 | |
| 1/4-28 | 26122 | RKKA1/4-28 | 66122 | MS51830A-202 | NAS1394C4 | ||
| 5/16-18 | 7/16-14 | 0.0.43 | 25923 | RKKA5/16-18 | 65923 | MS51830A-107 | |
| 5/16-24 | 26123 | RKKA5/16-24 | 66123 | MS51830A-203 | NAS1394C5 | ||
| 3/8-16 | 1/2-13 | 0.50 | 25924 | RKKA3/8-16 | 65924 | MS51830A-108 | |
| 3/8-24 | 26124 | RKKA3/8-24 | 66124 | MS51830A-204 | NAS1394C6 | ||
| 7/16-14 | 9/16-12 | 0.56 | 25925 | RKKA7/16-14 | 65924 | MS51830A-109 | |
| 7/16-20 | 26125 | RKKA7/16-20 | 66125 | MS51830A-205 | NAS1394C7 | ||
| 1/2-13 | 5/8-11 | 0.62 | 25926 | RKKA1/2-13 | 65926 | MS51830A-110 | |
| 1/2-20 | 26126 | RKKA1/2-20 | 66126 | MS51830A-206 | NAS1394C8 |
Heavy Duty -Inch Series - Carbon Steel
| Internal Thread | External Thread | Length | Distributor | Fairchild | Others | MS-part # | NAS-part # |
| 8-32 | 5/16-18 | 0.31 | 25919 | RKK8-32 | 65900 | NAS1395C08 | |
| 10-24 | 3/8-16 | 0.31 | 25901 | RKK10-24 | 65901 | MS51831A-101 | |
| 10-32 | 26101 | RKK10-32 | 66101 | MS51831A-201 | NAS1395C3 | ||
| 1/4-20 | 7/16-14 | 0.37 | 25902 | RKK1/4-20 | 65902 | MS51831A-102 | |
| 1/4-28 | 26102 | RKK1/4-28 | 66102 | MS51831A-202 | NAS1395C4 | ||
| 5/16-18 | 1/2-13 | 0.43 | 25903 | RKK5/16-18 | 65903 | MS51831A-103 | |
| 5/16-24 | 26103 | RKK5/16-24 | 66103 | MS51831A-203 | NAS1395C5 | ||
| 3/8-16 | 9/16-12 | 0.50 | 25904 | RKK3/8-16 | 65904 | MS51831A-104 | |
| 3/8-24 | 26104 | RKK3/8-24 | 66104 | MS51831A-204 | NAS1395C6 | ||
| 7/16-14 | 5/8-11 | 0.62 | 25905 | RKK7/16-14 | 65905 | MS51831A-105 | |
| 7/16-20 | 26105 | RKK7/16-20 | 66105 | MS51831A-205 | NAS1395C7 | ||
| 1/2-13 | 3/4-16 | 0.62 | 25906 | RKK1/2-13 | 65906 | MS51831A-106 | |
| 1/2-20 | 26106 | RKK1/2-20 | 66106 | MS51831A-206 | NAS1395C8 | ||
| 9/16-12 | 3/4-16 | 0.81 | 25907 | RKK9/16-12 | 65907 | MS51831A-107 | |
| 9/16-18 | 26107 | RKK9/16-18 | 66107 | MS51831A-207 | NAS1395C9 | ||
| 5/8-11 | 7/8-14 | 0.87 | 25908 | RKK5/8-11 | 65908 | MS51831A-108 | |
| 5/8-18 | 26108 | RKK5/8-18 | 66108 | MS51831A-208 | NAS1395C10 | ||
| 3/4-10 | 1 1/8-12 | 1.12 | 25909 | RKK3/4-10 | 65909 | MS51831A-109 | |
| 3/4-16 | 26109 | RKK3/4-16 | 66109 | MS51831A-209 | |||
| 7/8-9 | 1 1/4-12 | 1.25 | 25910 | RKK7/8-9 | 65910 | MS51831A-110 | |
| 7/8-14 | 26110 | RKK7/8-14 | 66110 | MS51831A-210 | |||
| 1-8 | 1 3/8-12 | 1.37 | 25911 | RKK1-8 | 65911 | MS51831A-111 | |
| 1-12 | 26111 | RKK1-12 | 66111 | MS51831A-211 |
Thinwall -Inch Series - Stainless Steel
| Internal Thread | External Thread | Length | Distributor | Fairchild | Others | MS-part # | NAS-part # |
| 10-24 | 5/16-18 | 0.31 | 26321 | KN1024J | 66321 | MS51830-105 | |
| 10-32 | 26521 | KN1032J | 66521 | MS51830-201 | NAS1394C3 | ||
| 1/4-20 | 3/8-16 | 0.37 | 26322 | KN420J | 66322 | MS51830-106 | |
| 1/4-28 | 26522 | KN428J | 66522 | MS51830-202 | NAS1394C4 | ||
| 5/16-18 | 7/16-14 | 0.43 | 26323 | KN518J | 66323 | MS51830-107 | |
| 5/16-24 | 26523 | KN524J | 66523 | MS51830-203 | NAS1394C5 | ||
| 3/8-16 | 1/2-13 | 0.50 | 26324 | KN616J | 66324 | MS51830-108 | |
| 3/8-24 | 26524 | KN624J | 66524 | MS51830-204 | NAS1394C6 | ||
| 7/16-14 | 9/16-12 | 0.56 | 26325 | KN714J | 66325 | MS51830-109 | |
| 7/16-20 | 26525 | KN720J | 66525 | MS51830-205 | NAS1394C7 | ||
| 1/2-13 | 5/8-11 | 0.62 | 26326 | KN813J | 66326 | MS51830-110 | |
| 1/2-20 | 26526 | KN820J | 66526 | MS51830-206 | NAS1394C8 |
Heavy Duty -Inch Series - Stainless Steel
| Internal Thread | External Thread | Length | Distributor | Fairchild | Others | MS-part # | NAS-part # |
| 8-32 | 5/16-18 | 0.31 | 26319 | KNH0832J | 66300 | NAS1395C08 | |
| 10-24 | 3/8-16 | 0.31 | 26301 | KNH1024J | 66301 | MS51831-101 | |
| 10-32 | 26501 | KNH1032J | 66501 | MS51831-201 | NAS1395C3 | ||
| 1/4-20 | 7/16-14 | 0.37 | 26302 | KNH420J | 66302 | MS51831-102 | |
| 1/4-28 | 26502 | KNH428J | 66502 | MS51831-202 | NAS1395C4 | ||
| 5/16-18 | 1/2-13 | 0.43 | 26303 | KNH518J | 66303 | MS51831-103 | |
| 5/16-24 | 26503 | KNH524J | 66503 | MS51831-203 | NAS1395C5 | ||
| 3/8-16 | 9/16-12 | 0.50 | 26304 | KNH616J | 66304 | MS51831-104 | |
| 3/8-24 | 26504 | KNH624J | 66504 | MS51831-204 | NAS1395C6 | ||
| 7/16-14 | 5/8-11 | 0.62 | 26305 | KNH714J | 66305 | MS51831-105 | |
| 7/16-20 | 26505 | KNH720J | 66505 | MS51831-205 | NAS1395C7 | ||
| 1/2-13 | 3/4-16 | 0.62 | 26306 | KNH813J | 66306 | MS51831-106 | |
| 1/2-20 | 26506 | KNH820J | 66506 | MS51831-206 | NAS1395C8 | ||
| 9/16-12 | 13/16-16 | 0.81 | 26307 | KNH912J | 66307 | MS51831-107 | |
| 9/16-18 | 26507 | KNH918J | 66507 | MS51831-207 | NAS1395C9 | ||
| 5/8-11 | 7/8-14 | 0.87 | 26308 | KNH1011J | 66308 | MS51831-108 | |
| 5/8-18 | 26508 | KNH1018J | 66508 | MS51831-208 | NAS1395C10 | ||
| 3/4-10 | 1 1/8-12 | 1.12 | 26309 | KNH1210J | 66309 | MS51831-109 | |
| 3/4-16 | 26509 | KNH1216J | 66509 | MS51831-209 | |||
| 7/8-9 | 1 1/4-12 | 1.25 | 26310 | KNH1409J | 66310 | MS51831-110 | |
| 7/8-14 | 26510 | KNH1414J | 66510 | MS51831-210 | |||
| 1-8 | 1 3/8-12 | 1.37 | 26311 | KNH1608J | 66311 | MS51831-111 | |
| 1-12 | 26511 | KNH1612J | 66511 | MS51831-211 | |||
| M20x2.5 | M30x2.0 | 26506 | KNHM20X2.5 | 66309 |
EXTRA Heavy Duty -Inch Series - Stainless Steel
| Internal Thread | External Thread | Length | Distributor | Fairchild | Others |
| 6-32 | 5/16-18 | 0.31 | 26331 | KNHXH0632J | 66331 |
| 8-32 | 3/8-16 | 0.31 | 26332 | KNHXH0832J | 66332 |
| 10-24 | 7/16-14 | 0.31 | 26333 | KNHXH1024J | 66333 |
| 10-32 | 26533 | KNHXH1032J | 66533 | ||
| 1/4-20 | 1/2-13 | 0.37 | 26334 | KNHXH420J | 66334 |
| 1/4-28 | 26534 | KNHXH428J | 66534 | ||
| 5/16-18 | 9/16-12 | 0.43 | 26335 | KNHXH5184J | 66335 |
| 5/16-24 | 26535 | KNHXH524J | 66535 | ||
| 3/8-16 | 5/8-11 | 0.50 | 26336 | KNHXH616J | 66336 |
| 3/8-24 | 26536 | KNHXH624J | 66536 | ||
| 9/16-12 | 13/16-16 | 0.81 | 26339 | KNHXH912J | 66339 |
| 9/16-18 | 26539 | KNHXH918J | 66539 | ||
| 5/8-11 | 7/8-14 | 0.87 | 26340 | KNHXH1011J | 66308 |
| 5/8-18 | 26540 | KNHXH1018J | 66508 | ||
| 3/4-10 | 1 1/8-12 | 1.12 | 26341 | KNHXH1210J | 66309 |
| 3/4-16 | 26541 | KNHXH1216J | 66509 | ||
| 7/8-9 | 1 1/4-12 | 1.25 | 26342 | KNHXH1409J | 66310 |
| 7/8-14 | 26542 | KNHXH1414J | 66510 | ||
| 1-8 | 1 3/8-12 | 1.37 | 26343 | KNHXH1608J | 66311 |
| 1-12 | 26543 | KNHXH1612J | 66511 |
Thinwall - Metric Series -Carbon Steel
| Internal Thread | External Thread | Length | Distributor | Fairchild | Others |
| M5-8 | M8-1.25 | 8.0 | 26151 | KNM5x0.8F | 65951 |
| M6-1 | M10-1.25 | 10.0 | 25952 | KNM6x1F | 65952 |
| M8-1.25 | M12-1.25 | 12.0 | 25953 | KNM8x1.25F | 65953 |
| M8-1 | 26153 | KNM8x1F | 66153 | ||
| M10-1.5 | M14-1.5 | 14.0 | 25955 | KNM10x1.5F | 65955 |
| M10-1.25 | 26155 | KNM10x1.25F | 66155 | ||
| M12-1.75 | M16-1.5 | 16.0 | 25956 | KNM12x1.75F | 65956 |
| M12-1.25 | 26156 | KNM12x1.25F | 66156 |