Model: DMSWW7500-8-A-4

Panel Screw Assembly

Special Features:

Straight knurl on head

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.483 inches
Fastener Length
0.545 inches
Head Style
Flat chamfer
Head Diameter
0.420 inches
Head Height
0.495 inches
Internal Drive Style
Slot
Material Accommodated Thickness
Between 0.066 inches and 0.100 inches
Thread Diameter
0.164 inches
Thready Qty Per Inch (tpi)
32
Hardness Rating
85.0 rockwell b primary washer and 90.0 rockwell b primary washer
Part Name Assigned By Controlling Agency
Navy special project
Material
Aluminum alloy 6061 head
Material
Steel comp 1075 primary washer
Material
Steel comp 302 fastener or steel comp 305 fastener or steel comp 316 fastener
Material
Steel comp 304 stand-off
Material Specification
Astm a493 assn standard single material response fastener
Material Specification
Mil-s-23195 military specification single material response stand-off
Material Specification
Qq-a-225/8 federal specification single material response head
Material Specification
Sae assn standard single material response primary washer
Surface Treatment
Anodize head
Surface Treatment Specification
Mil-a-8625, type 1 cl 1 military specification single treatment response head
Surface Treatment Specification
Qq-p-416 federal specification single treatment response primary washer
Surface Treatment Specification
Qq-p-35 federal specification single treatment response fastener
Surface Treatment Specification
Qq-p-35 federal specification single treatment response stand-off
Thread Series Designator
Unc
NSN
5305-01-235-8318
Part Number
DMSWW7500-8-A-4
Description
Screw Assembly,panel
CAGE
17446

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 DMSWW7500-8-A-4 NSN 5305-01-235-8318

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:
--
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:
093490
UFC:
50270
LTL:
50.0
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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