Appendix
71
Trompeter General Material/Finish Specifications
TFS-1: Finish Specifications
TFS-1A
.0001- .0003 max thk Bright Nickel per QQ-N-290, Class1, Form SB (over)
.000080-.000150 thk Bright Copper per MIL-C-14550 (over) .0005 max
Electroless Nickel per AMS-2404C, Class 1 (On Aluminum Only)
Trompeter Finish Specification -1
(TFS-1) Notes:
(2) Bright Gold plate on all connector center contacts, pins, sockets, shall be .000050 min - .000070 max thk, Class 1
(3) Thickness is in accordance with MIL-G-45204B, Para 6.3 "Strikes and Underplating"
(4) Copper Alloy articles on which a nickel undercoat is not used shall not be used for continuous service at temperatures above 149°C
(300°F) QQ-S-365, Para. 3.3.5.
TFS-1B
.000020 - .000030 thk Bright Gold2 per MIL-G-45204, Type II, Grade C,
Class3 (over)
.000050-.000180 thk Bright Nickel3 per QQ-N-290, Class1 (over)
.000080-.000150 thk Bright Copper3 per MIL-C-14550
(5) For use on Brass and Beryllium Copper body (shell) and accessory components when 500 hour salt spray test is specified. (For test
conditions, refer to MIL-C-38999, Para. 3.16 and 4.7.12.2, [Method 1001.1 of MIL-STD-1344])
(6) Plating thickness variations, critical and noncritical areas must be plated to within specified lower limits, except where
surfaces cannot be contacted by A .75 inch dia ball, noncritical areas total plating thickness may exceed the specified upper limits
by .000150 maximum.
TFS-1D
.0001min - .000120 max thk Electroless Nickel per AMS 2404C (over)
.000080 min - .000150 max thk Bright Copper per MIL-C-14550
Materials
Alloy or Type
FED/MIL Spec.
Usage
TFS-1E
.0002 min -.0003 max thk Bright Electro Tin per MIL-T-10727, Type 1 and
solder test per Para. 4.6.3.1
ABS
Moldings Type 2
MIL-STD-1803
L-P-1883B
Looping plug handles, lock pins
TFS-1M4
Acetal
Dupont Delrin
2024-T351
6061-T6
L-P-392
Insulators, cases, bushings
Backbars, cases
.000200 min - .000300 max thk Silver per QQ-S-365, Type II (Semi-bright)
Grade A (Chromate post treatment)
(over) .000080 min - .000150 max thk Bright Copper
per MIL-C-14550
Aluminum
QQ-A255/6
QQ-A200/8
QQ-A250/11
QQ-A200/8
ASTM-B-194
ASTM-B-196 &197
ASTM-B-36
ASTM-B-16
Stiffener bars
6061-T6
Patch panels
TFS-1T5
.000050 -.000100 Bright Tin per MIL-T-10727, Type I (Electro Deposited)
(over) .000150-.00020 Sulfamate Nickel per MIL-P-27418
(over) .00010-.00150 Copper per MIL-C-14550, Class 4
6061-T6511
17200 (Bar)
17300 (Flat)
C26000
Backbars, cases
Beryllium Copper
Brass
Contact & crescent springs
Contact sockets, fingersprings, washers
Ground lugs, washers
TFS-1U5
.00020-.00030 thk Sulfamate Nickel per MIL-P-27418
(over) .000080-.000150 max thk Copper
per MIL-C-14550
C36000
Connector bodies, coupling sleeves, clamp
nuts, hex mtg. nuts, ctr. contact pins, cases
TFS-1V3
.000200-.000300 max thk Silver per QQ-S-365, Type I (Matte), Grade A (over)
.000050-.000180 max thk Sulfamate Nickel per MIL-P-27418, (over)
.000080 min-.000150 max thk Bright Copper
per MIL-C-14550
Dupont Acetal Resin #500TL
Homopolymer General Purpose w/
1.5% Teflon Micropower
Moldings
Fluorinated Ethylene
Propylene
(FEP)
ASTM-D-2116
Insulators
Hyflon
MFA Grade 640
Alternate material dielectric
Loctite
495 (Zinc Iridite per ASTM-B633)
QQ-2-325 Type 2 Class 2 Finish
L-P-410A
Nylon
6/6 or 6/12
(PFA)
Insulating bushings
Perfluoroalkoxy
Phenolic
ASTM-D-3307
L-P-513 PBE
Cable jackets
XXX
Patch panels, backbars
Contact springs, lockwashers
Dielectrics, insulators
Sealing Sleeves
Phosphor Bronze
Polytetrafluoroethylene
Polyvinylidene Flouride
Rubber
Alloy 544
(PTFE)
ASTM-B-139
ASTM-D-1710
MIL-I-23053/8
ZZ-R-765
Silicone
Gaskets, O-rings, sealing members
Solder
Sn60, 62, 63, or 96
C1010-1018
Music Wire
Type 17-4PH
303
QQ-S-571
Steel
QQ-S-636
MPN cases
ASTM-A228 SAE J178
AMS-5643 Tubing
QQ-S-763
Tension springs
Steel CRS
Corrosion Resistant Steel
Connector bodies, coupling sleeves, hex
mtg. nuts
302
QQ-S-766
Designation strips
301
ASTM-484, A582
MIL-M-24519
ASTM-D-635
ASTM-D-635
ASTM-B-240/B-86
Thermo-plastic Polyester
Vinyl
Glass Filled
Clear Rigid-Self ext.
Opaque Rigid-Self ext.
Alloy #3
Heat resistant molded insulators
Designation strip window
Designation strip marking strip
Selected non-functional parts
Zinc
TFS = Trompeter Finish Specifications
Connectors
Patching
Frequency Range
VSWR
BNC
TNC
70 Series
150 Series
0-500 MHz
450 Series
WE Standard
WE Miniature
RCA Standard
0-4 GHz
1.30 Max.
0-11 GHz
0-500 MHz
Not Rated
0-2 MHz
0-1 GHz
0-1 GHz
0-200 MHz
1.04 @ 75 MHz
1.12 @ 100 MHz
1.18 @ 500 MHz
500 VRMS @ Sea Level
Not Rated
1.06 Max.
1.05 @ 50 MHz
1.09 @ 100 MHz
1.33 @ 500 MHz
500 VRMS @ Sea Level
-
-
Voltage Rating
500 VRMS@ Sea Level
500 VRMS @ Sea Level
400 VRMS @ Sea Level
250 VRMS @ Sea Level
150 VRMS @ Sea Level
Not Rated
250 VRMS @ Sea Level
125 VRMS @ 70,000 ft.
125 VRMS @ 70,000 ft.
100 VRMS @
70,000 ft.
62.5 VRMS @
70,000 ft.
Temperature Range
-65°C to 165°C
-65°C to 200°C
-65°C to 165°C
-65°C to165°C
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