Model: FIT7833-4-2

Thumbscrew

Special Features:

0.112 diameter hole for plug at threaded end, 0.035 in. To 0.045 in. Wide by 0.024 in. To 0.034 in. Deep spline 3 places, spaced 120 degrees apart

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.487 inches
Fastener Length
1.059 inches
Head Style
Thumb no. 6
Head Height
0.625 inches
Width Between Flats
Between 0.076 inches and 0.079 inches
Shoulder Diameter
0.247 inches first shoulder and 0.249 inches first shoulder
Shoulder Length
0.150 inches first shoulder and 0.290 inches first shoulder
Point Style
Pointless
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Shoulder Shape
Round first shoulder
Material
Steel comp 302b top of head or steel comp 303 top of head or steel comp 303 plus x top of head or steel comp 303se top of head or steel comp 303cu top of head or steel comp 303ma top of head or steel comp 304 top of head or steel comp 304l top of head
Material
Steel comp 8740 fastener or steel comp 4140 fastener
Material Specification
Mil-s-6049 military specification single material response fastener or mil-s-5626 military specification single material response fastener
Surface Treatment
Cadmium fastener and chromate fastener
Surface Treatment
Passivate top of head
Surface Treatment Specification
Qq-p-35 federal specification single treatment response top of head
Surface Treatment Specification
Qq-p-416 type 2 cl 2 military specification single treatment response fastener
Thread Series Designator
Unf
NSN
5305-01-174-0519
Part Number
FIT7833-4-2
Description
Thumbscrew
CAGE
58998

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 FIT7833-4-2 NSN 5305-01-174-0519

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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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