Model: 841581-71

Panel Screw Assembly

Special Features:

Straight knurl head

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.194 inches and 0.239 inches
Fastener Length
Between 0.860 inches and 0.890 inches
Head Style
Pan
Head Diameter
Between 0.350 inches and 0.380 inches
Head Height
Between 0.118 inches and 0.148 inches
Internal Drive Style
Cross recess type iii
Material Accommodated Thickness
Between 0.015 inches and 0.045 inches
Thread Diameter
0.190 inches
Thready Qty Per Inch (tpi)
32
Color
Black fastener
Color
Black secondary washer
Color
Black primary washer
Color
Black stand-off
Material
Steel comp 301 secondary washer
Material
Steel comp 302 fastener or steel comp 304 fastener or steel comp 305 fastener or steel comp 316 fastener or steel comp 384 fastener
Material
Steel comp 302 primary washer or steel comp 304 primary washer or steel comp 305 primary washer or steel comp 316 primary washer or steel comp 384 primary washer
Material
Steel comp 302 spring
Material
Steel comp 304 stand-off
Material Specification
Ams 5688 assn standard single material response spring
Material Specification
Mil-s-5059 military specification single material response secondary washer
Material Specification
Qq-s-763 federal specification single material response stand-off
Surface Treatment
Oxide fastener
Surface Treatment
Oxide primary washer
Surface Treatment
Oxide secondary washer
Surface Treatment
Oxide stand-off
Surface Treatment
Passivate spring
Surface Treatment Specification
Mil-s-13924 cl2 military specification single treatment response fastener
Surface Treatment Specification
Mil-s-13924 cl2 military specification single treatment response primary washer
Surface Treatment Specification
Mil-s-13924 cl2 military specification single treatment response secondary washer
Surface Treatment Specification
Mil-s-13924 cl2 military specification single treatment response stand-off
Surface Treatment Specification
Qq-p-35 federal specification single treatment response spring
Thread Series Designator
Unf
NSN
5305-01-334-2824
Part Number
841581-71
Description
Screw Assembly,panel
CAGE

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 841581-71 NSN 5305-01-334-2824

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:
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:
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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