Model: 24T20-2-42-1AA

Panel Screw Assembly

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.148 inches and 0.178 inches
Fastener Length
Between 0.400 inches and 0.440 inches
Head Style
Pan
Head Diameter
0.260 inches
Head Height
0.070 inches
Internal Drive Style
Cross recess type 1
Material Accommodated Thickness
0.059 inches
Thread Diameter
0.138 inches
Thready Qty Per Inch (tpi)
32
Color
Black head
Color
Black stand-off
Material
Aluminum alloy 7075 stand-off
Material
Steel comp 303 fastener
Material
Steel comp 302 spring
Material Specification
Qq-a-225, t6 federal specification single material response stand-off
Material Specification
Qq-w-423 federal specification single material response spring
Surface Treatment
Oxide head
Surface Treatment
Oxide stand-off
Surface Treatment
Passivate fastener
Surface Treatment
Passivate spring
Surface Treatment Specification
Mil-a-8625, type 2, class 2 military specification single treatment response stand-off
Surface Treatment Specification
Mil-c-13924, class 3 military specification single treatment response head
Surface Treatment Specification
Qq-p-35 federal specification single treatment response fastener
Surface Treatment Specification
Qq-p-35 federal specification single treatment response spring
Thread Series Designator
Unc
NSN
5305-01-246-6899
Part Number
24T20-2-42-1AA
Description
Screw Assembly,panel
CAGE
71286

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 24T20-2-42-1AA NSN 5305-01-246-6899

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:
AY
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:
093486
UFC:
48950
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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