Model: 11438307-18

Panel Screw Assembly

Special Features:

Supply with 2 spring washers, carbon steel per aisi 1050; wave shaped; finish cadmium per qq-p-416, type 2 cl 2

Properties:

Thread Class
2a
Thread Direction
Right-hand
Fastener Length
Between 0.872 inches and 0.912 inches
Head Style
Flat chamfer
Head Diameter
0.451 inches
Head Height
0.520 inches
Internal Drive Style
Cross recess type 1
Material Accommodated Thickness
Between 0.218 inches and 0.279 inches
Thread Diameter
0.190 inches
Thready Qty Per Inch (tpi)
32
Material
Aluminum alloy 6061 head
Material
Steel comp 301 primary washer
Material
Steel comp 301 secondary washer
Material
Steel comp 303 fastener
Material
Steel comp 302 spring or steel comp 304 spring or steel comp 305 spring or steel comp 316 spring or steel comp 321 spring or steel comp 347 spring
Material
Steel comp 304 stand-off
Material Specification
Astm a580 assn standard all material responses spring
Material Specification
Astm a582 assn standard single material response fastener
Material Specification
Mil-s-5059 military specification single material response primary washer
Material Specification
Mil-s-5059 military specification single material response secondary washer
Material Specification
Qq-a-225/8 federal specification single material response head
Material Specification
Qq-s-763 federal specification single material response stand-off
Surface Treatment
Anodize head
Surface Treatment
Passivate fastener
Surface Treatment
Passivate primary washer
Surface Treatment
Passivate secondary washer
Surface Treatment
Passivate spring
Surface Treatment
Passivate stand-off
Surface Treatment Specification
Mil-a-8625 type 1 cl 1 military specification single treatment response head
Surface Treatment Specification
Qq-p-35 federal specification single treatment response fastener
Surface Treatment Specification
Qq-p-35 federal specification single treatment response primary washer
Surface Treatment Specification
Qq-p-35 federal specification single treatment response secondary washer
Surface Treatment Specification
Qq-p-35 federal specification single treatment response spring
Surface Treatment Specification
Qq-p-35 federal specification single treatment response stand-off
Thread Series Designator
Unf
NSN
5305-01-250-3293
Part Number
11438307-18
Description
Screw Assembly,panel
CAGE
18876

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 11438307-18 NSN 5305-01-250-3293

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:
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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