Model: 8512799

Thumbscrew

Special Features:

Slotted protrusion on top of head 0.312 in. Diameter by 0.125 in. High

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.500 inches
Fastener Length
2.063 inches
Head Style
Knurled no. 2
Head Diameter
0.687 inches
Head Height
1.000 inches
First Diameter From Head
0.312 inches
Second Diameter From Head
0.140 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.188 inches
Distance From Largest Bearing Surface Of Head To End Of Second Diameter
1.375 inches
Point Style
Cone
Thread Diameter
0.190 inches
Thready Qty Per Inch (tpi)
24
Material
Copper alloy 360 fastener
Material
Plastic top of head
Material Specification
Qq-b-626 federal specification single material response fastener
Thread Series Designator
Unc
NSN
5305-00-535-8437
Part Number
8512799
Description
Thumbscrew
CAGE
18876

An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use screw (as modified) or bolt (as modified).

Part 8512799 NSN 5305-00-535-8437

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06673
FIIG:
A003B0
Concept No.:
App. Key:
SR
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:
U
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:
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: 7415338550
  • SITC: 69433
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Other copper screws (not for wood) bolts and nuts

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