Model: 51983

Thumbscrew

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
1.328 inches
Fastener Length
1.375 inches
Head Style
Knurled no. 1
Head Diameter
0.500 inches
Head Height
0.250 inches
Point Length
0.031 inches
First Diameter From Head
0.250 inches
Second Diameter From Head
0.047 inches
Point Style
Flat
Thread Diameter
0.312 inches
Thready Qty Per Inch (tpi)
24
Point Chamfer Angle
90.0 degrees
Material
Copper alloy
Material Specification
Qq-b-611, comp b canc federal specification single material response
Precious Material
Silver
Surface Treatment
Silver
Thread Series Designator
Unf
NSN
5305-00-298-1110
Part Number
51983
Description
Thumbscrew
CAGE
24930

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 51983 NSN 5305-00-298-1110

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:
S
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
096630
UFC:
50590
LTL:
70.0
LCL:
70.0
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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