Gang Channel – FBL10050 Series
Material:
Nut: 4140 or 8740 Alloy Steel per MIL-S-5626 or MIL-S-6049.
Channel: 7075 Aluminum Alloy per QQ-A-200/11, QQ-A-250/12 or
QQ-A-250/13.
Clip: 302 CRES Steel per AMS 5688 or ARMCO 18-2MN* CRES.
Heat Treat:
Nut: Per MIL-H-6875.
Channel: Aged to T6 temp per MIL-H-6088.
Finish:
Nut: Cadmium plated per QQ-P-416, Type I, Class 2, and dry film lube per MIL-L-46010.
Channel: Anodized per MIL-A-8625, Type II, Class 1.
Clip: Passivated per QQ-P-35.
|
THREADSIZE |
COUNTERBORE DEPTH |
ASSEMBLY PART NUMBER |
ASSEMBLY HEIGHT MAX. |
B MAX. |
C REF. |
D DIA. MIN. |
H MAX. |
M ±0.005 |
M 1 ±0.005 |
N REF. |
|
.1900-32 UNJF-3B |
0.070 |
FBL10050-31-( )( )( )( ) |
0.250 |
0.445 |
0.484 |
0.194 |
0.250 |
0.224 |
0.255 |
0.040 |
|
0.125 |
FBL10050-32-( )( )( )( ) |
0.312 |
||||||||
|
0.188 |
FBL10050-33-( )( )( )( ) |
0.375 |
||||||||
|
0.250 |
FBL10050-34-( )( )( )( ) |
0.438 |
||||||||
|
0.313 |
FBL10050-35-( )( )( )( ) |
0.500 |
||||||||
|
0.375 |
FBL10050-36-( )( )( )( ) |
0.562 |
||||||||
|
.2500-28 UNJF-3B |
0.070 |
FBL10050-41-( )( )( )( ) |
0.298 |
0.547 |
0.584 |
0.254 |
0.298 |
0.285 |
0.325 |
0.040 |
|
0.125 |
FBL10050-42-( )( )( )( ) |
0.360 |
||||||||
|
0.188 |
FBL10050-43-( )( )( )( ) |
0.422 |
||||||||
|
0.250 |
FBL10050-44-( )( )( )( ) |
0.484 |
||||||||
|
0.313 |
FBL10050-45-( )( )( )( ) |
0.546 |
||||||||
|
0.375 |
FBL10050-46-( )( )( )( ) |
0.608 |
||||||||
|
.3125-24 UNJF-3B |
0.070 |
FBL10050-51-( )( )( )( ) |
0.347 |
0.643 |
0.720 |
0.317 |
0.344 |
0.348 |
0.386 |
0.050 |
|
0.125 |
FBL10050-52-( )( )( )( ) |
0.403 |
||||||||
|
0.188 |
FBL10050-53-( )( )( )( ) |
0.464 |
||||||||
|
0.250 |
FBL10050-54-( )( )( )( ) |
0.527 |
||||||||
|
0.313 |
FBL10050-55-( )( )( )( ) |
0.589 |
||||||||
|
0.375 |
FBL10050-56-( )( )( )( ) |
0.652 |
*Note: “ARMCO 18-2MN” is a registered trademark of ARMCO Steel Corportaion, Middletown, Ohio.
Nut Spacing
For Three Thread Sizes (Use for 2nd dash number in assembly part number)
Notes:
- Threads per MIL-S-8879 except in locking area and prior to lubrication.
- Anti-seize compund per MIL-A-907 applied to internal thread.
- Float, minimum total; “V” = 0.030; “W” = 0.060. Nut shall be capable of engagement with a bolt in the maximum misaligned position.
- The assembly shall provide a bearing surface for the nut within the channel.
- Minimum Assembly Height is not specified, limited only by strength requirements.
- Shape within the envelope shown optional.
- Locking torque: The nut element of these assemblies shall be capable of 250 seated, usable cycles when tested per the requirements of CAL-STD-0232.
|
NUT SPACING +0.010 |
NUMBER OF NUTS |
SECOND DASH NO. FOR THREAD SIZES: |
||
|
.1900-32 |
.2500-28 |
.3125-24 |
||
|
0.625 |
2 TO 115 |
-5 |
– |
– |
|
0.750 |
2 TO 96 |
-6 |
-6 |
– |
|
0.875 |
2 TO 82 |
-7 |
-7 |
– |
|
1.000 |
2 TO 72 |
-8 |
-8 |
-8 |
|
1.125 |
2 TO 64 |
-9 |
-9 |
-9 |
|
1.250 |
2 TO 57 |
-10 |
-10 |
-10 |
|
1.375 |
2 TO 52 |
-11 |
-11 |
-11 |
|
1.500 |
2 TO 48 |
-12 |
-12 |
-12 |
|
1.750 |
2 TO 41 |
-14 |
-14 |
-14 |
|
2.000 |
2 TO 36 |
-16 |
-16 |
-16 |
|
2.250 |
2 TO 32 |
-18 |
-18 |
-18 |
|
2.500 |
2 TO 28 |
-20 |
-20 |
-20 |
|
3.000 |
2 TO 24 |
-24 |
-24 |
-24 |
|
NUT SPACING +0.010 |
NUMBER OF NUTS |
SECOND DASH NO. FOR THREAD SIZES: |
||
|
.1900-32 |
.2500-28 |
.3125-24 |
||
|
0.625 |
2 TO 115 |
-5 |
– |
– |
|
0.750 |
2 TO 96 |
-6 |
-6 |
– |
|
0.875 |
2 TO 82 |
-7 |
-7 |
– |
|
1.000 |
2 TO 72 |
-8 |
-8 |
-8 |
|
1.125 |
2 TO 64 |
-9 |
-9 |
-9 |
|
1.250 |
2 TO 57 |
-10 |
-10 |
-10 |
|
1.375 |
2 TO 52 |
-11 |
-11 |
-11 |
|
1.500 |
2 TO 48 |
-12 |
-12 |
-12 |
|
1.750 |
2 TO 41 |
-14 |
-14 |
-14 |
|
2.000 |
2 TO 36 |
-16 |
-16 |
-16 |
|
2.250 |
2 TO 32 |
-18 |
-18 |
-18 |
|
2.500 |
2 TO 28 |
-20 |
-20 |
-20 |
|
3.000 |
2 TO 24 |
-24 |
-24 |
-24 |
Part Number Callout Example:
FBL10050 – ( )( ) – ( )( ) ( )( )
|
THREADSIZE |
T +0.030 -0.000 |
U +0.030 -0.000 |
REPLACEMENT COMPONENTS |
|
|
NUT ELEMENT |
RETAINING CLIP |
|||
|
.1900-32 UNJF-3B |
0.350 |
0.590 |
FBL10041-3-1 |
FBL10059-3R |
|
FBL10041-3-2 |
||||
|
FBL10041-3-3 |
||||
|
FBL10041-3-4 |
||||
|
FBL10041-3-5 |
||||
|
FBL10041-3-6 |
||||
|
.2500-28 UNJF-3B |
0.400 |
0.640 |
FBL10041-4-1 |
FBL-10059-4R |
|
FBL10041-4-2 |
||||
|
FBL10041-4-3 |
||||
|
FBL10041-4-4 |
||||
|
FBL10041-4-5 |
||||
|
FBL10041-4-6 |
||||
|
.3125-24 UNJF-3B |
0.450 |
0.720 |
FBL10041-5-1 |
FBL10059-5R |
|
FBL10041-5-2 |
||||
|
FBL10041-5-3 |
||||
|
FBL10041-5-4 |
||||
|
FBL10041-5-5 |
||||
|
FBL10041-5-6 |
||||
|
THREADSIZE |
T +0.030 -0.000 |
U +0.030 -0.000 |
REPLACEMENT COMPONENTS |
|
|
NUT ELEMENT |
RETAINING CLIP |
|||
|
.1900-32 UNJF-3B |
0.350 |
0.590 |
FBL10041-3-1 |
FBL10059-3R |
|
FBL10041-3-2 |
||||
|
FBL10041-3-3 |
||||
|
FBL10041-3-4 |
||||
|
FBL10041-3-5 |
||||
|
FBL10041-3-6 |
||||
|
.2500-28 UNJF-3B |
0.400 |
0.640 |
FBL10041-4-1 |
FBL-10059-4R |
|
FBL10041-4-2 |
||||
|
FBL10041-4-3 |
||||
|
FBL10041-4-4 |
||||
|
FBL10041-4-5 |
||||
|
FBL10041-4-6 |
||||
|
.3125-24 UNJF-3B |
0.450 |
0.720 |
FBL10041-5-1 |
FBL10059-5R |
|
FBL10041-5-2 |
||||
|
FBL10041-5-3 |
||||
|
FBL10041-5-4 |
||||
|
FBL10041-5-5 |
||||
|
FBL10041-5-6 |
||||
Number of Nuts.
(To be used only when less than the maximum number
of nuts shown in nut spacing table are required.) Prefix ‘0’ if less than ‘10.’ Example: FBL10050-( )( )-( )( )05.
Second Dash No. for nut spacing.
‘Dash’ signifies channel having cut-offs per dimension ‘T’ on both ends.
Insert letter ‘L’ in lieu of dash to signify a channel having cut-offs per dimension ‘U’ on both ends.
Insert letter ‘F’ in lieu of dash to signify a channel having cut-offs per dimension ‘T’ on on one end and cut-off per dimension ‘U’ on the opposite end.
Two digits shown as 1st dash number tabulated; first digit refers to thread size; second digit refers to counterbore depth.