Model: 8008427

Thumbscrew

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.359 inches and 0.391 inches
Fastener Length
Between 1.078 inches and 1.109 inches
Head Style
Knurled no. 1
Head Diameter
Between 1.234 inches and 1.266 inches
Head Height
Between 0.359 inches and 0.391 inches
Shoulder Diameter
0.625 inches first shoulder
Shoulder Length
0.250 inches first shoulder
Point Length
Between 0.109 inches and 0.141 inches
First Diameter From Head
Between 0.229 inches and 0.239 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
Between 0.578 inches and 0.609 inches
Point Style
Flat
Thread Diameter
0.312 inches
Thready Qty Per Inch (tpi)
18
Externally Relieved Body Diameter Quantity
1
Point Chamfer Angle
45.0 degrees
Shoulder Shape
Round first shoulder
Material
Steel comp 416
Material Specification
Qq-s-764, cond a federal specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Mil-std-171, finish no.5.4.1, type 3 military standard single treatment response
Thread Series Designator
Unc
NSN
5305-00-800-8427
Part Number
8008427
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 8008427 NSN 5305-00-800-8427

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:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
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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