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Locking Devices, Keys & Keyways

AS 81935 | NAS 513 | NAS 1193

Keys as represented here are metallic locking devices that, when assembled into keyways and keyslots, prevent relative motion between mating components of bearing linkage assemblies. NHBB does not manufacture keys, nuts or lock wire as separate items. These items are readily available from other sources. Keyways and keyslots are optional. To specify, add suffix “W” to NHBB catalog rod end part number.

NAS 559 Type A Key


A Female keyslot


B Male keyway

Notes: NAS 559 TYPE A KEY

  1. The keyways and keyslots used in conjunction with these keys are shown in A and B. The NAS 559 keys are available for thread sizes 1/4 through 2-1/4 inches.
  2. Keyway flat may vary from standard on smaller size rod ends but shall extend at least beyond minimum thread length in all cases.

 

Thread Size 1
(D)
+.005
-.000
(E)
+.005
-.000
(F)
+.000
-.005
(R)
±.010

.250

.312

.375

.437

.500

.056

.056

.056

.069

.069

.06

.062

.093

.093

.093

.201

.260

.311

.370

.436

.255

.255

.255

.255

.255

.562

.625

.750

.875

1.000

.077

.077

.077

.086

.094

.125

.125

.125

.156

.156

.478

.541

.663

.777

.900

.255

.255

.255

.318

.318

1.125

1.250

1.375

1.500

1.625

.094

.116

.116

.116

.129

.187

.187

.250

.250

.250

1.010

1.136

1.236

1.361

1.477

.382

.382

.445

.445

.445

1.750

1.875

2.000

2.125

2.250

.129

.129

.129

.129

.129

.312

.312

.312

.312

.312

1.589

1.714

1.839

1.955

2.080

.508

.508

.508

.508

.508

 

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AS81935 KEY

A Female Keyslot

B Male Keyway

Notes: AS81935

  1. AS81935/3 keys are used on AS81935 sizes -3 through -8 when optioned. The keyways and keyslots used in conjunction with these keys are shown in A and B.
  2. *AS81935/3 keys are available for thread sizes 1/4 through 1/2 inches.
*Thread
(Male)
(E)
+.005
-.000
(F)
+.000
-.005
1/4-28UNJF-3A
.062
.207
5/16-24UNJF-3A
.062
.268
3/8-24UNJF-3A
.093
.319
7/16-20UNJF-3A
.093
.383
1/2-20UNJF-3A
.093
.445

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NAS 513 KEY

A Female Keyslot

B Male Keyway

Notes: NAS 513 KEY

  1. NAS 513 keys are used on AS81935 sizes -10 through -16 rod ends when optioned. The keyways and keyslots used in conjunction with these keys are shown in A and B.
  2. * For female rod ends with deep square slot keyslot option AS81935 designation "W", the slot depth is modified as detailed in A. This deep slot "W" is also compatible with NASM14198, SAE-AS14227, NAS 1193 and NAS 559 keyways.
  3. **NAS 513 keys are available for thread sizes 1/4 through 2-1/4 inches.
Thread Size 3**
(D)
+.005
-.000
(DD) 2*
+.005
-.000
(E)
+.005
-.000
(F)
+.000
-.005

.250

.312

.375

.437

.500

.056

.056

.056

.069

.069

.110

.110

.110

.110

.110

.062

.062

.093

.093

.093

.201

.260

.311

.370

.436

.562

.625

.750

.875

1.000

.077

.077

.077

.086

.094

-

.125

.125

.156

.156

.125

.125

.125

.156

.156

.478

.541

.663

.777

.900

1.125

1.250

1.375

1.500

1.625

.094

.116

.116

.116

.129

-

-

-

-

-

.187

.187

.250

.250

.250

1.010

1.136

1.236

1.361

1.477

1.750

1.875

2.000

2.125

2.250

.129

.129

.129

.129

.129

-

-

-

-

-

.312

.312

.312

.312

.312

1.589

1.714

1.839

1.955

2.080

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NAS 1193 KEY

Notes: NAS 1193 KEY

  1. NAS 1193 keys are for positive indexing. They are used in applications in which a fine adjustment is required, within .001.
  2. These keys can be used in conjunction with NAS 513, NAS 559 and AS81935/3 keyways or keyslots and are available for thread sizes 1/4 through 2-1/4 inches.