If Space permits, use the larger cross sections listed in these tables.
Diameters between those listed and diameters larger than those listed are available on request.
in-between cross sections and larger cross sections are available.
Metric sizes are also available.
3/16"
Nominal Cross Section
G=.281/.291
G1=.334/.344
G2=.424/.434
Size
Dash
No.
Military
L=.186/.188
Spring Ring
400A
103A
RP
Back- Up Rings
Industrial
L=.188/.190
A
Dia.
+.002
-.000
B
Dia.
+.000
-.002
A
Dia.
+.002
-.000
B
Dia.
+.000
-.002
313
.870
.498
N
O
T
A
V
A
I
L
A
B
L
E
I
N
3/16"
C
R
O
S
S
S
E
C
T
I
O
N
.875
.500
314
.932
.560
.937
.562
315
.995
.623
1.000
.625
316
1.057
.685
1.062
.687
317
1.120
.745
1.125
.750
318
1.182
.810
1.187
.812
319
1.245
.873
1.250
.875
320
1.307
.935
1.312
.937
321
1.370
.998
1.375
1.000
322
1.495
1.223
1.500
1.125
323
1.620
1.248
1.625
1.250
324
1.745
1.373
1.750
1.375
325
1.870
1.498
1.875
1.500
326
1.995
1.623
2.000
1.625
327
2.120
1.748
2.125
1.750
328
2.245
1.873
2.250
1.875
329
2.370
1.998
2.375
2.000
330
2.495
2.123
2.500
2.125
331
2.620
2.248
2.625
2.250
332
2.745
2.373
2.750
2.375
333
2.870
2.498
2.875
2.500
334
2.995
2.623
3.000
2.625
335
3.120
2.748
3.125
2.750
336
3.245
2.873
3.250
2.875
337
3.369
2.997
3.375
3.000
338
3.494
3.122
3.500
3.125
339
3.629
3.247
3.625
3.250
340
3.744
3.372
3.750
3.375
341
3.869
3.497
3.875
3.500
342
3.994
3.622
4.000
3.625
343
4.119
3.747
4.125
3.750
344
4.244
3.872
4.250
3.875
345
4.369
3.997
4.375
4.000
346
4.494
4.122
4.500
4.125
347
4.619
4.247
4.625
4.250
348
4.744
4.372
4.750
4.375
349
4.869
4.497
4.875
4.500
350
4.997
4.625
5.000
4.625
351
5.122
4.750
5.125
4.750
352
5.247
4.875
5.250
4.875
353
5.372
5.000
5.375
5.000
354
5.497
5.125
5.500
5.125
355
5.622
5.250
5.625
5.250
356
5.747
5.375
5.750
5.375
357
5.872
5.500
5.875
5.500
358
5.997
5.625
6.000
5.625
359
6.122
5.750
6.125
5.750
360
6.247
5.875
6.250
5.875
361
6.372
6.000
6.375
6.000
362
6.622
6.250
6.625
6.250
363
6.872
6.500
6.875
6.500
364
7.122
6.750
7.125
6.750
365
7.372
7.000
7.375
7.000
366
7.622
7.250
7.625
7.250
367
7.872
7.500
7.875
7.500
368
8.122
7.750
8.125
7.750
369
8.372
8.000
8.375
8.000
370
8.622
8.250
8.625
8.250
371
8.872
8.500
8.875
8.500
372
9.122
8.750
9.125
8.750
373
9.372
9.000
9.375
9.000
374
9.622
9.250
9.625
9.250
375
9.872
9.500
9.875
9.500
376
10.122
9.750
10.125
9.750
377
10.372
10.000
10.375
10.000
378
10.872
10.500
10.875
10.500
379
11.372
11.000
11.375
11.000
380
11.872
11.500
11.875
11.500
381
12.372
12.000
12.375
12.000
1/4"
Nominal Cross Section
G=.375/.385
G1=.475/.485
G2=.579/.589
Size
Dash
No.
Military
L=.238/.241
Spring Ring
400A
103A
RP
Back- Up Rings
Industrial
L=.250/.253
A
Dia.
+.003
-.000
B
Dia.
+.000
-.003
A
Dia.
+.003
-.000
B
Dia.
+.000
-.003
409
2.977
2.500
N
O
T
A
V
A
I
L
A
B
L
E
I
N
1/4"
C
R
O
S
S
S
E
C
T
I
O
N
3.000
2.500
410
3.102
2.625
3.125
2.625
411
3.227
2.750
3.250
2.750
412
3.352
2.875
3.375
2.875
413
3.477
3.000
3.500
3.000
414
3.602
3.125
3.625
3.125
415
3.727
3.250
3.750
3.250
416
3.852
3.375
3.875
3.375
417
3.977
3.500
4.000
3.500
418
4.102
3.625
4.125
3.625
419
4.227
3.750
4.250
3.750
420
4.352
3.875
4.375
3.875
421
4.477
4.000
4.500
4.000
422
4.602
4.125
4.625
4.125
423
4.727
4.250
4.750
4.250
424
4.852
4.375
4.875
4.375
425
4.974
4.497
5.000
4.500
426
5.099
4.622
5.125
4.625
427
5.224
4.747
5.250
4.750
428
5.349
4.872
5.375
4.875
429
5.474
4.997
5.500
5.000
430
5.599
5.122
5.625
5.125
431
5.724
5.247
5.750
5.250
432
5.849
5.372
5.875
5.375
433
5.974
5.497
6.000
5.500
434
6.099
5.622
6.125
5.625
435
6.224
5.747
6.250
5.750
436
6.349
5.872
6.375
5.875
437
6.474
5.997
6.500
6.000
438
6.724
6.247
6.750
6.250
439
6.974
6.497
7.000
6.500
440
7.224
6.747
7.250
6.750
441
7.474
6.997
7.500
7.000
442
7.724
7.247
7.750
7.250
443
7.974
7.497
8.000
7.500
444
8.224
7.747
8.250
7.750
445
8.474
7.997
8.500
8.000
446
8.974
8.497
9.000
8.500
447
9.474
8.997
9.500
9.000
448
9.974
9.497
10.000
9.500
449
10.474
9.997
10.500
10.000
450
10.974
10.497
11.000
10.500
451
11.474
10.997
11.500
10.00
452
11.974
11.497
12.000
11.500
453
12.474
11.997
12.500
12.000
454
12.974
12.497
13.000
12.500
455
13.47
12.997
13.500
13.000
456
13.974
13.497
14.000
13.500
457
14.474
13.997
14.500
14.000
458
14.974
14.497
15.000
14.500
459
15.474
14.997
15.500
15.000
460
15.974
15.497
16.000
15.500
Note
If Space permits, use the larger cross sections listed in these tables.
Diameters between those listed and diameters larger than those listed are available on request.
in-between cross sections and larger cross sections are available.
Metric sizes are also available.