Model: 152-55

Thumbscrew

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.187 inches
Fastener Length
1.166 inches
Head Style
Knurled no. 5
Head Diameter
0.187 inches
Head Height
0.184 inches
Shoulder Diameter
0.140 inches second shoulder
Shoulder Diameter
0.250 inches first shoulder
Shoulder Length
0.400 inches first shoulder
Shoulder Length
0.485 inches second shoulder
Point Length
0.031 inches
Point Diameter
0.100 inches
Point Style
Flat
Thread Diameter
0.125 inches
Thready Qty Per Inch (tpi)
44
Point Chamfer Angle
45.0 degrees
Shoulder Shape
Round all shoulders
Material
Steel comp 302 or steel comp 303se
Material Specification
Ams 5636 assn standard 1st material response or ams 5640 assn standard 2nd material response
Surface Treatment
Passivate
Thread Series Designator
Unf
NSN
5305-01-418-3423
Part Number
152-55
Description
Thumbscrew
CAGE
35918

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 152-55 NSN 5305-01-418-3423

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:
SX
CRITL:
X

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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