Model: 03A249S3-D-6

Panel Screw Assembly

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.235 inches and 0.265 inches
Fastener Length
Between 0.895 inches and 0.925 inches
Head Style
Pan no. 2
Head Diameter
Between 0.350 inches and 0.380 inches
Head Height
Between 0.090 inches and 0.120 inches
Internal Drive Style
Slot
Material Accommodated Thickness
Between 0.188 inches and 0.250 inches
Thread Diameter
0.190 inches
Thready Qty Per Inch (tpi)
32
Material
Steel comp 304 stand-offiron alloy 660 fastener
Material Specification
Astma493 assn standard single material response stand-off or qq-s-763 federal specification single material response stand-offams5732 assn standard single material response fastener or ams5736 assn standard single material response fastener or ams5737 assn standard single material response fastener
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Thread Series Designator
Unf
NSN
5305-01-352-1218
Part Number
03A249S3-D-6
Description
Screw Assembly,panel
CAGE
76823

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 03A249S3-D-6 NSN 5305-01-352-1218

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
096640
UFC:
50600
LTL:
70.0
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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