Model: HSG7900-3D4

Panel Screw Assembly

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.410 inches
Fastener Length
Between 0.975 inches and 1.005 inches
Head Style
Hexagon
Head Height
Between 0.105 inches and 0.120 inches
Width Between Flats
Between 0.305 inches and 0.312 inches
Internal Drive Style
Slot
Material Accommodated Thickness
Between 0.267 inches and 0.277 inches
Thread Diameter
0.190 inches
Thready Qty Per Inch (tpi)
32
Part Name Assigned By Controlling Agency
Navy special project
Material
Iron alloy 660 fastener
Material
Steel comp 304 spring or steel comp 302 spring or steel comp 305 spring or steel comp 310 spring or steel comp 316 spring or steel comp 321 spring or steel comp 347 spring
Material
Steel comp 304 stand-off
Material Specification
Ams 5737 assn standard single material response fastener
Material Specification
Qq-s-763 federal specification single material response stand-off
Material Specification
Qq-w-423 federal specification all material responses spring
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Thread Series Designator
Unjf
NSN
5305-01-309-7059
Part Number
HSG7900-3D4
Description
Screw Assembly,panel
CAGE
0HDW7

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 HSG7900-3D4 NSN 5305-01-309-7059

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

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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