Model: 841581-75

Panel Screw Assembly

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.235 inches and 0.280 inches
Fastener Length
Between 1.110 inches and 1.140 inches
Head Style
Pan
Head Diameter
Between 0.186 inches and 0.199 inches
Head Height
Between 0.100 inches and 0.124 inches
Internal Drive Style
Cross recess type 1
Material Accommodated Thickness
Between 0.086 inches and 0.106 inches
Thread Diameter
0.190 inches
Thready Qty Per Inch (tpi)
32
Material
Steel comp 301 secondary washersteel comp 302 primary washersteel comp 302 springsteel comp 304 stand-offsteel comp 302 fastener
Material Specification
Mil-s-5059 military specification single material response secondary washerastm a 493 assn standard single material response primary washerams 5688 assn standard single material response springqq-s-763 federal specification single material response stand-offastm a 493 assn standard single material response fastener
Surface Treatment
Oxide secondary washeroxide primary washerpassivate springoxide stand-offoxide fastener
Surface Treatment Specification
Mil-c-13924 military specification single treatment response secondary washermil-c-13924 military specification single treatment response primary washerqq-p-35 federal specification single treatment response springmil-c-13924 military specification single treatment response stand-offmil-c-13924 military specification single treatment response fastener
Thread Series Designator
Unc
NSN
5305-01-374-5393
Part Number
841581-75
Description
Screw Assembly,panel
CAGE
06481

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

Part 841581-75 NSN 5305-01-374-5393

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
33044
FIIG:
A003B0
Concept No.:
App. Key:
SU
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:
--
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:
573
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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