Model: 2548656-2

Thumbscrew

Special Features:

40 t p i straight knurl

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.202 inches and 0.212 inches
Fastener Length
0.750 inches
Head Diameter
0.312 inches
Head Height
0.310 inches
Point Length
0.094 inches
First Diameter From Head
Between 0.115 inches and 0.125 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.444 inches
Point Style
Cone
Thread Diameter
0.164 inches
Thready Qty Per Inch (tpi)
32
Externally Relieved Body Diameter Quantity
1
Point Chamfer Angle
Between 85.0 degrees and 95.0 degrees
Material
Steel comp 303
Material Specification
Qq-s-763 federal specification single material response
Thread Series Designator
Unc
NSN
5305-00-852-7314
Part Number
2548656-2
Description
Thumbscrew
CAGE
10001

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 2548656-2 NSN 5305-00-852-7314

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:
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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