Model: WTFFS093

Panel Screw Assembly

Special Features:

Dflat washer 0.215 od x 0.120 id x 0.009 in. Mim, 0.012 in max thk; bushing 0.137 in min, 0.143 in max.Dia; in 0.172 in.Dia hole; split lockwasher 0.212 od x 0.115 id x 0.017 in min, 0.033 in max thk;

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.420 inches and 0.500 inches
Fastener Length
Between 0.470 inches and 0.500 inches
Head Style
Pan
Head Diameter
Between 0.205 inches and 0.219 inches
Internal Drive Style
Slot
Thread Diameter
0.112 inches
Thready Qty Per Inch (tpi)
40
Material
Copper alloy 260 stand-off
Material
Copper alloy 510 primary washer or copper alloy 524 primary washer or copper alloy 544 primary washer
Material
Steel comp 303 fastener
Material
Steel comp 303 secondary washer
Material Specification
Astm a582 assn standard single material response fastener
Material Specification
Astm a582 assn standard single material response secondary washer
Material Specification
Qq-b-750 federal specification single material response primary washer
Material Specification
Qq-b-626 federal specification single material response stand-off
Surface Treatment
Nickel primary washer
Surface Treatment
Nickel stand-off
Surface Treatment
Passivate fastener
Surface Treatment
Passivate secondary washer
Surface Treatment Specification
Qq-n-290 federal specification single treatment response stand-off
Surface Treatment Specification
Qq-n-290 federal specification single treatment response primary washer
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
Thread Series Designator
Unc
NSN
5305-01-293-9550
Part Number
WTFFS093
Description
Screw Assembly,panel
CAGE
10400

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 WTFFS093 NSN 5305-01-293-9550

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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