Model: 841581-26

Panel Screw Assembly

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.170 inches and 0.215 inches
Fastener Length
Between 0.797 inches and 0.827 inches
Head Style
Knurled no. 2
Head Diameter
Between 0.250 inches and 0.280 inches
Head Height
Between 0.082 inches and 0.112 inches
Internal Drive Style
Slot
Material Accommodated Thickness
Between 0.063 inches and 0.125 inches
Thread Diameter
0.138 inches
Thready Qty Per Inch (tpi)
32
Material
Steel comp 301 secondary washer
Material
Steel comp 302 fastener
Material
Steel comp 302 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
Astm a493 assn standard single material response fastener
Material Specification
Astm a493 assn standard single material response primary washer
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-c-13924 military specification single treatment response primary washer
Surface Treatment Specification
Mil-c-13924 military specification single treatment response secondary washer
Surface Treatment Specification
Mil-c-13924 military specification single treatment response fastener
Surface Treatment Specification
Mil-c-13924 military specification single treatment response stand-off
Surface Treatment Specification
Qq-p-35 federal specification single treatment response spring
Thread Series Designator
Unc
NSN
5305-01-334-6656
Part Number
841581-26
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 841581-26 NSN 5305-01-334-6656

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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