Model: FT1200-12-3-4

Panel Screw Assembly

Special Features:

Includes aluminum knurled knob over ferrule

Properties:

Thread Class
3a
Thread Direction
Right-hand
Fastener Length
Between 0.550 inches and 0.600 inches
Head Style
Knurled no. 1
Head Diameter
Between 0.516 inches and 0.546 inches
Head Height
Between 0.515 inches and 0.545 inches
Internal Drive Style
Slot
Material Accommodated Thickness
Between 0.094 inches and 0.155 inches
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Material
Aluminum alloy 6061 stand-off
Material
Steel comp 1050 primary washer
Material
Steel comp 301 secondary washer
Material
Steel comp 303 fastener
Material
Steel comp 302 spring
Material Specification
Aisi assn standard single material response primary washer
Material Specification
Astm a493 assn standard single material response fastener
Material Specification
Mil-s-5059 military specification single material response secondary washer
Material Specification
Qq-a-225/8 federal specification single material response stand-off
Material Specification
Qq-w-423 cond b federal specification single material response spring
Surface Treatment
Anodize stand-off
Surface Treatment
Cadmium primary washer and chromate primary washer
Surface Treatment
Passivate fastener
Surface Treatment
Passivate secondary washer
Surface Treatment
Passivate spring
Surface Treatment Specification
Mil-a-8625 type 1 cl 1 military specification single treatment response stand-off
Surface Treatment Specification
Qq-p-35 federal specification single treatment response fastener
Surface Treatment Specification
Qq-p-35 federal specification single treatment response secondary washer
Surface Treatment Specification
Qq-p-35 federal specification single treatment response spring
Surface Treatment Specification
Qq-p-416 type 2 class 2 federal specification single treatment response primary washer
Thread Series Designator
Unf
NSN
5305-01-271-1868
Part Number
FT1200-12-3-4
Description
Screw Assembly,panel
CAGE

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.

Part FT1200-12-3-4 NSN 5305-01-271-1868

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
33044
FIIG:
A003B0
Concept No.:
App. Key:
SU
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 7318152000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment

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