Model: D7900-4-B-2

Panel Screw Assembly

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.203 inches
Fastener Length
0.390 inches
Head Style
Pan no. 2
Head Diameter
0.219 inches
Head Height
0.068 inches
Material Accommodated Thickness
Between 0.063 inches and 0.125 inches
Thread Diameter
0.112 inches
Thready Qty Per Inch (tpi)
40
Hardness Rating
34.0 rockwell c fastener and 38.0 rockwell c fastener
Material
Copper alloy 360 stand-off
Material
Steel comp 4037 fastener
Surface Treatment
Nickel fastener
Surface Treatment
Nickel stand-off
Surface Treatment Specification
Qq-n-290 cl 1 federal specification single treatment response fastener
Surface Treatment Specification
Qq-n-290 cl 1 federal specification single treatment response stand-off
Thread Series Designator
Unc
NSN
5305-01-016-4554
Part Number
D7900-4-B-2
Description
Screw Assembly,panel
CAGE
D9182

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 D7900-4-B-2 NSN 5305-01-016-4554

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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:
066440
UFC:
36960
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
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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