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KFN541L

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K-FAST® SYSTEMS ENGINEERING COMMITTEE

K-FAST IS A REGISTERED TRADEMARK OF 17 LICENSEES:

KAYNAR, A MICRODOT COMPANY DEUTSCH FASTENER CORPORATION VOI-SHAN / A DIVISION OF VSI CORP. SPS TECHNOLOGIES INCORPORATED SIMMONDS S.A., FRANCE

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MATERIAL: ALLOY STEEL.

HEAT TREAT: Rc. 39-43.

FINISH: CADMIUM PLATED PER FED. SPEC. QQ-P-416, TYPE II, CLASS 3, AND KAYLUBE MOLYBDENUM DISULFIDE DRY LUBRICANT COATED.

PERFORMANCE: KFS 1009.

APPLICATION: FOR USE ON STANDARD TO .032 OVERSIZE SHANK BOLTS. PACKAGING: PARTS ARE NORMALLY SUPPLIED IN BULK PACKAGING.

ADD “S” AFTER DASH NUMBER FOR SPINDLE PACKAGED NUTS FOR USE WITH K-FAST AUTOMATIC TOOLS. EXAMPLE: KFN541L3FS.

K.E.C.

K-FAST® ENGINEERING COMMITTEE

TITLE

PART NUMBER

800 SOUTH STATE COLLEGE BLVD.

NUT – 6 POINT, SELF-LOCKING, 160 KSI, 450°F

KFN541L(*)F

FULLERTON, CALIFORNIA 92631

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REDRAWN

REDRAWN

BLe

BLe

APPROVAL DATE

APPROVAL DATE

REVISION

REVISION

16

16

17

17

BLe 11-15-82 11-26-84

BLe 11-15-82 11-26-84

K-FAST PART NO

THREADS PER MIL-S-8879

A

MAX

B

MIN

C

MAX

D

H

MIN

M

W

APPROX WEIGHT

LBS/100

MIN

MAX

MAX

MIN

MAX

MIN

KFN541L

08F

.1640-32UNJF-3B

.290

.273

.242

.202

.197

.235

.112

.102

.220

.212

.15

3F

.1900-32UNJF-3B

.330

.300

.277

.228

.223

.245

.112

.102

.251

.243

.21

4F

.2500-28UNJF-3B

.425

.400

.348

.288

.283

.295

.117

.107

.313

.305

.41

5F

.3125-24UNJF-3B

.525

.497

.419

.350

.345

.355

.127

.117

.376

.367

.68

6F

.3750-24UNJF-3B

.605

.577

.491

.413

.408

.406

.127

.117

.439

.420

.96

7F

.4375-20UNJF-3B

.705

.677

.561

.476

.471

.455

.142

.132

.502

.492

1.52

8F

.5000-20UNJF-3B

.806

.777

.631

.538

.533

.525

.142

.132

.564

.553

2.13

K-FAST PART NO

THREADS PER MIL-S-8879

A

MAX

B

MIN

C

MAX

D

H

MIN

M

W

APPROX WEIGHT

LBS/100

MIN

MAX

MAX

MIN

MAX

MIN

KFN541L

08F

.1640-32UNJF-3B

.290

.273

.242

.202

.197

.235

.112

.102

.220

.212

.15

3F

.1900-32UNJF-3B

.330

.300

.277

.228

.223

.245

.112

.102

.251

.243

.21

4F

.2500-28UNJF-3B

.425

.400

.348

.288

.283

.295

.117

.107

.313

.305

.41

5F

.3125-24UNJF-3B

.525

.497

.419

.350

.345

.355

.127

.117

.376

.367

.68

6F

.3750-24UNJF-3B

.605

.577

.491

.413

.408

.406

.127

.117

.439

.420

.96

7F

.4375-20UNJF-3B

.705

.677

.561

.476

.471

.455

.142

.132

.502

.492

1.52

8F

.5000-20UNJF-3B

.806

.777

.631

.538

.533

.525

.142

.132

.564

.553

2.13

663

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