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Datasheet. BACS12N10-12 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3a
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.
RIGHT-Hand
The dimension,measured along a line parallel to the longitudinal axis,from the largest bearing surface of the fastener head to the extreme opposite end,or as specifically designated for other type fasteners.
0.750in. ⁓3/4"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
flat countersunk
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
0.390in.
The number of washers included on the item.
1
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.
cross recess type 1
The national stock number or the identification information of the end equipment for which the item is a part.
fixed wing aircraft, boeing MODEL757
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
0.190in. (UTS #10)
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
32
The included angle of the countersink.
99.0 degrees and 101.0 degrees
0.640in. and 0.660in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the primary washer.
dome internal teeth
0.015in. and 0.021in.
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.
subassembly is equipment INSTL-Misc emer; refer to boeing i.p.c. BOE2319 25-64-53-33 no. 120
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 1022 fastener
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 1050 primary washer
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unf
The document designator of the specification or standard which established the item of supply.
BACS212N manufacturers specification
Answers.
Unf
Steel comp 1050 primary washer
Steel comp 1022 fastener
32
Flat countersunk
Right-hand
3a
Schedule B number: 7318152000
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5305 ⁓ Screws
NSN 5305-01-523-5655 SCREW,ASSEMBLED WASHER
Used on fixed wing aircraft, boeing model757. unf thread series subassembly is equipment instl-misc emer; refer to boeing i.p.c. BOE2319 25-64-53-33 no. 120 32 thread quantity per inch flat countersunk head style right-hand 3a thread class
- NIIN
- 015235655
- NIIN Date
- 09/08/04
- Schedule B
- 7318152000
- Name Code
- 06660
- FIIG
- A003B0
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- No precious metals
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
Major End Users Countries and entities
- - Brazil
- - New Zealand
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BACS12N10-12 / Screw,assembled washerWhat is the formal definition of this item?
A screw, (as modified) to which has been assembled one or more nonremovable washer(s).
