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Datasheet. 803-2178494-A-29 specification
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.
0.500in. ⁓1/2"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
truss
The national stock number or the identification information of the end equipment for which the item is a part.
4 inch ball valve, straight line, naval ship systems command
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
0.250in. ⁓1/4"
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
20
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.
self locking
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 304
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
QQ-S-763 fed std single material response or FFS092, TY1, sty 6 mil spec single material response
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
Steel comp 304
20
Truss
Schedule B number: 7318152000
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5305 ⁓ Screws
NSN 5305-01-487-5845 SCREW,CAP,SOCKET HEAD
Used on 4 inch ball valve, straight line, naval ship systems command. unc thread series self locking 20 thread quantity per inch truss head style
- NIIN
- 014875845
- NIIN Date
- 08/10/01
- Schedule B
- 7318152000
- Name Code
- 16282
- 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. | 2178494B-0029 | Cage 96169 |
| 2. | 2178494B-0029 | Cage 96169 |
| 3. | 2178494B-0029 | Cage 96169 |
Major End Users Countries and entities
- - United Kingdom
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803-2178494-A-29 / Screw,cap,socket headWhat is the formal definition of this item?
An externally threaded fastener whose threaded portion is of one nominal diameter. the head has an internal socket or multiple spline for use with an inserted driver. a locking feature may be incorporated in the design of the head or threads. excludes items with bevel (conical) heads. see bolt, internal wrenching. excludes screw, shoulder; and screw, machine.
