KFN587

K-FAST® SYSTEMS ENGINEERING
COMMITTEE

K-FAST IS A REGISTERED TRADE MARK OF LICENSEES:

KAYNAR, A MICRODOT COMPANY DEUTSCH FASTENER CORPORATION

VIO-SHAN / A DIVISION OF VSI CORP.

SPS TECHNOLOGIES INCORPORATED SIMMONDS S. A., FRANCE

MATERIAL: 7075 ALUMINUM ALLOY PER QQ-A-225/9. HEAT TREAT: AGE TO T73 CONDITION PER MIL-H-6088.

FINISH: ANODIZED PER MIL-A-8625, TYPE II, CLASS 2, DYE COLOR ORANGE. AND CETYL ALCOHOL PER
MIL-L-87132, TYPE I, GRADE A.

➁ PERFORMANCE:
KFS1008, EXCEPT REC’M
SEATING TORQUE AS TABULATED AND ONE CYCLE USE.

➁ NOTES: 1. PARTS ARE NORMALLY SUPPLIED IN BULK
PACKAGING, ADD “S” FOR SPINDLE PACKAGED NUTS FOR USE WITH K-FAST AUTOMATIC TOOLS.

(EXAMPLE: KFN587-5S).

K.E.C.

K-FAST® ENGINEERING COMMITTEE

TITLE

PART NUMBER

800 SOUTH STATE COLLEGE BLVD.

NUT – 6 POINT, SELF-LOCKING

KFN587 – (*)

FULLERTON, CALIFORNIA 92631

SHEAR APPLICATION

KAYLOCK PART NO

THREADS PER MIL-S-8879

A

C

MIN

D

H

MAX

M

W

AXIAL TENSILE STRENGTH LBS MIN

REC’M SEATING TORQUE IN-LBS

08

.1640-32UNJC-3B

.292

.288

.242

.173

.169

.230

.092

.082

.220

.212

1,400

15.25

3

.1900-32UNJF-3B

.307

.303

.277

.200

.198

.240

.092

.082

.251

.243

1,800

25-35

4

.2500-28UNJF-3B

.412

.408

.348

.261

.257

.280

.097

.087

.313

.305

3,000

60-80

KFN587-

5

.3125-24UNJF-3B

.518

.512

.419

.325

.319

.325

.102

.092

.376

.367

5,000

110-140

6

.3750-24UNJF-3B

.628

.622

.491

.388

.382

.365

.102

.092

.439

.430

7,000

180-200

7

.4375-20UNJF-3B

.713

.707

.561

.450

.444

.415

.107

.097

.502

.492

9,500

220-280

8

.5000-20UNJF-3B

.815

.809

.631

.513

.507

.445

.107

.097

.564

.553

12,500

340-410

KAYLOCK PART NO

THREADS PER MIL-S-8879

A

C

MIN

D

H

MAX

M

W

AXIAL TENSILE STRENGTH LBS MIN

REC’M SEATING TORQUE IN-LBS

08

.1640-32UNJC-3B

.292

.288

.242

.173

.169

.230

.092

.082

.220

.212

1,400

15.25

3

.1900-32UNJF-3B

.307

.303

.277

.200

.198

.240

.092

.082

.251

.243

1,800

25-35

4

.2500-28UNJF-3B

.412

.408

.348

.261

.257

.280

.097

.087

.313

.305

3,000

60-80

KFN587-

5

.3125-24UNJF-3B

.518

.512

.419

.325

.319

.325

.102

.092

.376

.367

5,000

110-140

6

.3750-24UNJF-3B

.628

.622

.491

.388

.382

.365

.102

.092

.439

.430

7,000

180-200

7

.4375-20UNJF-3B

.713

.707

.561

.450

.444

.415

.107

.097

.502

.492

9,500

220-280

8

.5000-20UNJF-3B

.815

.809

.631

.513

.507

.445

.107

.097

.564

.553

12,500

340-410