Model: 581622-1

Thumbscrew

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.750 inches
Fastener Length
3.000 inches
Head Style
Knurled no. 4
Head Diameter
0.750 inches
Head Height
0.250 inches
Shoulder Diameter
0.356 inches first shoulder
Shoulder Length
1.000 inches first shoulder
Point Style
Pointless
Thread Diameter
0.500 inches
Thready Qty Per Inch (tpi)
40
Shoulder Shape
Round first shoulder
Material
Steel comp 302
Material Specification
Qq-s-763 federal specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Mil-s-130 military specification single treatment response
Thread Series Designator
Uns
NSN
5305-01-256-0954
Part Number
581622-1
Description
Thumbscrew
CAGE
3B150

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 581622-1 NSN 5305-01-256-0954

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:
A
ESD:
ESD:
MMAC:
IM
CRITL:
X

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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