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Datasheet. 56997-1 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.
2.589in. ⁓2-19/32"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
hexagon
A measurement from the bottom to the top of the head,in distinction from depth.
1.310in. ⁓1-5/16"
0.750in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.
hexagon
The national stock number or the identification information of the end equipment for which the item is a part.
apache attack helicopter
The shortest straight line between flats,perpendicular to the height.
0.500in. ⁓1/2"
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 303 locking feature
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 303 STAND-Off
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 630 fastener
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 631 spring
Answers.
Steel comp 631 spring
Steel comp 630 fastener
Steel comp 303 stand-off
Steel comp 303 locking feature
Hexagon
Schedule B number: 7318152000
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5305 ⁓ Screws
NSN 5305-01-470-8303 SCREW ASSEMBLY,PANEL
Used on apache attack helicopter. hexagon head style
- NIIN
- 014708303
- NIIN Date
- 01/11/00
- Schedule B
- 7318152000
- Name Code
- 33044
- 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
- - United Kingdom
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56997-1 / Screw assembly,panelWhat is the formal definition of this item?
A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. attached to panel by threaded bushing or by flaring end of stand-off, or bushing. used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. may be spring loaded.
