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Datasheet. 4685196-0028 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2a
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.
2.250in. ⁓2-1/4"
The national stock number or the identification information of the end equipment for which the item is a part.
used on trident sub missile tube mussle hatch mechanical assy
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
0.750in. ⁓3/4"
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
10
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.
head to be drilled to 0.125 in dia for lockwiring
The chemical compound or mechanical mixture properties of which the item is fabricated.
nickel alloy and copper alloy
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unc
Answers.
Unc
Nickel alloy and copper alloy
10
Right-hand
2a
FSC 5305 ⁓ Screws
NSN 5305-01-562-9444 SCREW,CAP,HEXAGON HEAD
Used on trident sub missile tube mussle hatch mechanical assy. unc thread series head to be drilled to 0.125 in dia for lockwiring 10 thread quantity per inch right-hand 2a thread class
- NIIN
- 015629444
- NIIN Date
- 04/25/08
- Schedule B
- Name Code
- 18257
- 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
Other Part Numbers Parts with same form, fit, and function by other manufacturers
| 1. | 87861-1509-0028 | Cage 53711 |
Major End Users Countries and entities
- - United Kingdom
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4685196-0028 / Screw,cap,hexagon headWhat is the formal definition of this item?
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.
