Model: 407278-1

Thumbscrew

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.312 inches
Fastener Length
1.000 inches
Head Style
Knurled no. 1
Head Diameter
0.312 inches
Head Height
0.250 inches
First Diameter From Head
0.093 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.625 inches
Point Style
Cone
Thread Diameter
0.138 inches
Thready Qty Per Inch (tpi)
32
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 303
Material Specification
Qq-s-764, cond a federal specification single material response
Surface Treatment
Passivate
Thread Series Designator
Unc
NSN
5305-00-978-8611
Part Number
407278-1
Description
Thumbscrew
CAGE
96214

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 407278-1 NSN 5305-00-978-8611

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:
O
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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