1547B Keystone Electronics, 1547B Datasheet - Page 2
![SPACER/STANDOFF](/photos/6/31/63114/1547b_sml.jpg)
1547B
Manufacturer Part Number
1547B
Description
SPACER/STANDOFF
Manufacturer
Keystone Electronics
Type
Round, Threaded, Female/Femaler
Specifications of 1547B
Wire Diameter
9.525mm
Body Plating
Zinc
Overall Length
9.5mm
Thread Size - Imperial
4-40
Spacer Material
Brass
Thread Length
9.5mm
Body Diameter
6.4mm
Size
0.250" (6.35mm) 1/4" Outer Dia
Thread/screw/hole Size
4-40 Thread
Length - Overall
0.375" (9.53mm) 3/8"
Color
Natural
Plating
Zinc
Between Board Height
0.375" (9.53mm) 3/8"
Length
0.375 in
Outside Diameter
0.25 in
Thread Size
4-40
Features
Spacers Over 1.000 Long Are Tapped .375 Deep Each End
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
1547BK
46
Made of flat strip aluminum and rolled on precision equipment.
Assures maximum bearing surface, square ends.
Aluminum: Per 5052-H34 per QQ-A-250/8b
MATERIAL:
•
•
•
•
A unique reusable fastener made
of NYLON which contains a
threaded brass nut. Finger
pressure or light tap seals it in a
pre-drilled hole. The nut is drawn
up causing a Nylon bulge behind
the workpiece. Screw may be
removed or replaced.
A comprehensive range of precision made metric hex spacers.
MATERIAL:
SPACER
Tight Joint on Outside Diameter
EASY ASSEMBLY
DAMPENS VIBRATION
ELIMINATES INSULATING WASHER
HI-DIELCTRIC STRENGTH
CAT. NO.
FOR
METRIC HEX THREADED STANDOFFS
#4
#6
#8
Description and Tol.
4341
4342
4343
CAT. NO.
BLIND CAPTIVE NUTS — PRESS FIT
4390
4391
4392
4393
4394
ALUMINUM ECONOMY SPACERS
MOUNT CHASSIS, PANELS, HEAT SINKS, SOCKETS
5mm HEX*
±.005
.125
.151
.178
I.D.
Molded Nylon with Brass threaded insert.
Brass, ASTM-B16,
Nickel plated (QQ-N-290)
THREAD
4-40
6-32
8-32
• PRECISION FORMED• NO BURRS
— ± .007
O.D.
.167
.193
.232
10mm
15mm
20mm
25mm
5mm
"L"
SIZE REQ/D.
HOLE
.250
.312
.406
"H"
Length
1.000
1.250
1.500
1.750
2.000
.187
.250
.312
.375
.437
.500
.625
.750
.875
L
31-07 20th Road
e-mail: kec@keyelco.com
#4 Screw
THICKNESS
CAT. NO.
SHEET
IDEAL
CAT. NO.
397
398
399
400
401
402
403
418
419
420
421
422
.047
.078
.093
4395
4396
4397
4398
4399
5.5mm HEX*
#6 Screw
CAT. NO.
405
406
407
408
409
410
425
426
427
428
429
430
.312
.375
.500
A
SPACERS & STANDOFFS
•
Astoria, New York 11105-2017
10mm
15mm
20mm
25mm
5mm
"L"
#8 Screw
CAT. NO.
.030
.030
.030
T
412
413
414
415
416
417
432
433
434
435
436
437
43
•
8
WebSite: keyelco.com
• 4-40 thread on 1/2" and over tapped 1/4" each end
• 6-32 & 8-32 thread on 1" and over tapped 3/8" each end
HEX STAINLESS THREADED STANDOFFS
Class 303
MATERIALS:
Brass: ASTM-B16, Nickel plate (QQ-N-290)
Aluminum: Iridite Finish (MIL-C-5541)
CLEARENCE HOLE:
•
•
MATERIAL:
MATERIAL:
CAT. NO.
• Corrosion Resistant
1 1/2 (1.500)
5060-2
5060-3
5061-2
5061-3
5062-2
5062-3
5063-2
5063-3
5064-2
5064-3
5065-2
5065-3
.120 for #4 screw
.140 for #6 screw
1/4 (.250)
1/2 (.500)
3/4 (.750)
3/8(.375)
1 (1.000)
2 (2.000)
LENGTH
Length
1.000
1.500
2.000
1.000
1.500
2.000
1.000
1.500
2.000
Inches
.125
.250
.375
.500
.625
.750
.875
.125
.250
.375
.500
.625
.750
.875
.125
.250
.375
.500
.625
.750
.875
L
L
ROUND SWAGE CLEAR SPACERS
HEIGHT
.250
.250
.375
.375
.500
.500
.250
.250
.375
.375
.500
.500
Stainless Steel per ASTM-A581/A582,
Brass, ASTM-B16, Nickel plate (QQ-N-290)
H
ROUND CLEAR SPACERS
CAT. NO.
1921
1921A
1921B
1921C
1921D
1921E
1921F
HOLE
.120
.120
.120
.120
.120
.120
.120
.120
.120
.120
.140
.140
.140
.140
.140
.140
.140
.140
.140
.140
.171
.171
.171
.171
.171
.171
.171
.171
.171
.171
Thread
4-40
•
THICKNESS
FOR PANEL
(718) 956-8900
BRASS OR ALUMINUM
1/16
3/32
1/16
3/32
1/16
3/32
1/16
3/32
1/16
3/32
1/16
3/32
CAT. NO.
BRASS
CAT. NO.
1922
1922A
1922B
1922C
1922D
1922E
1922F
1454A
1454B
1454C
1454D
1545E
1457A
1457B
1457C
1957D
1457E
1909
1919
1920
1924
1925
1934
1935
1936
1937
1938
1942
1480
1481
1482
2032
1483
2033
1484
2034
2035
Thread
6-32
HOLE
.120
.120
.120
.120
.120
.120
.140
.140
.140
.140
.140
.140
C
ALUMINUM
CAT. NO.
CAT. NO.
1923
1923A
1923B
1923C
1923D
1923E
1923F
2036
3457
3458
3459
2314
3460
3402
3461
3462
3463
3403
3464
3465
3466
3429
3467
3438
3468
3469
3470
4258
3471
3472
3473
4259
3474
4260
3475
3476
3477
Thread
8-32
•
FAX (718) 956-9040
.109
.141
.109
.141
.109
.141
.109
.141
.109
.141
.109
.141
L
CLEARENCE HOLE:
•
•
•
.120 for #4 screw
.140 for #6 screw
.171 for #8 screw