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Liquid Tight Conduit, Tubing & Fittings

®

2-17

1-800-526-4182 • 732-286-1800 (NJ) • FAX: 732-244-8843 • www.heyco.com

Stamped Steel Nut

Zinc Die-cast Nut

Nickel-Plated Brass

Extruded Nut

A

B

Heyco® Metal Locknuts

NPT Thread–Straight NPS Threads for use with NPT Threaded Fittings

THREAD TYPE

PART NO.

DESCRIPTION

PART DIMENSIONS

AND SIZE

AB

Thickness

Wrenching Flats

in.

mm.

in.

mm.

PG 7

2257

Brass LN PG 7

.110

2,8

.591

15,0

PG 9

2258

Brass LN PG 9

.110

2,8

.709

18,0

PG 11

2259

Brass LN PG 11

.118

3,0

.827

21,0

PG 13.5

2260

Brass LN PG 13

.118

3,0

.906

23,0

PG 16

2261

Brass LN PG 16

.118

3,0

1.024

26,0

PG 21

2262

Brass LN PG 21

.138

3,5

1.261

32,0

PG 29

2263

Brass LN PG 29

.158

4,0

1.615

41,0

PG 36

2268

Brass LN PG 36

.197

5,0

2.009

51,0

PG 42

2269

Brass LN PG 42

.197

5,0

2.364

60,0

PG Thread–Nickel-Plated Brass

Metric Thread–Nickel-Plated Brass

THREAD TYPE

PART NO.

DESCRIPTION

PART DIMENSIONS

AND SIZE

AB

Thickness

Wrenching Flats

in.

mm.

in.

mm.

M6 x 1

2243

Brass LN M6

.110

2,8

.354

9,0

M8 x 1,25

2244

Brass LN M8

.110

2,8

.433

11,0

M10 x 1,5

2245

Brass LN M10

.110

2,8

.512

13,0

M12 x 1,5

2246

Brass LN M12

.118

3,0

.591

15,0

M16 x 1,5

2247

Brass LN M16

.118

3,0

.748

19,0

M20 x 1,5

2248

Brass LN M20

.138

3,5

.945

24,0

M25 x 1,5

2249

Brass LN M25

.157

4,0

1.181

30,0

M32 x 1,5

2253

Brass LN M32

.157

4,0

1.417

36,0

M40 x 1,5

2254

Brass LN M40

.197

5,0

1.811

46,0

M50 x 1,5

2255

Brass LN M50

.217

5,5

2.165

55,0

*Wrenching flats are not crenellated

**Features wider thread engagement area than standard Stamped Steel locknuts

TRADE

STAMPED STEEL

EXTRUDED**

ZINC DIE-CAST

SIZE

PART NO.

DESCRIPTION

PART NO.

DESCRIPTION

PART NO.

DESCRIPTION

3/8

2242

LN 3/8*

–

––

–

1/2

2250

LN 1/2

2250EX

LN 1/2 EXT

9800

LN 1/2 DC

3/4

2251

LN 3/4

2251EX

LN 3/4 EXT

9801

LN 3/4 DC

1

2252

LN 1

2252EX

LN 1 EXT

9802

LN 1 DC

1-1/4

9806

LN 1-1/4

––

9803

LN 1-1/4 DC

1-1/2

9807

LN 1-1/2

––

9804

LN 1-1/2 DC

2

9808

LN 2

––

9805

LN 2 DC

2-1/2

9809

LN 2-1/2

––

–

–

3

9810

LN 3

––

–

–

• DFARS Compliant

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