Model: 91753488

Panel Screw Assembly

Properties:

Thread Direction
Right-hand
Fastener Length
0.350 inches
Head Style
Knurled no. 1
Head Diameter
0.420 inches
Head Height
0.290 inches
Internal Drive Style
Slot
Material Accommodated Thickness
Between 0.087 inches and 0.158 inches
Thread Diameter
4.0 millimeters
Thread Pitch In Millimeters
0.7
External Thread Tolerance Class
4h
Material
Aluminum alloy 6061 stand-off
Material
Steel comp 301 primary washer
Material
Steel comp 302 secondary washer
Material
Steel comp 302 spring
Material
Stainless steel fastener
Surface Treatment
Anodize stand-off
Surface Treatment
Passivate fastener
Surface Treatment
Passivate primary washer
Surface Treatment
Passivate secondary washer
Surface Treatment
Passivate spring
Thread Series Designator
M
NSN
5305-01-256-5801
Part Number
91753488
Description
Screw Assembly,panel
CAGE
F0057

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 91753488 NSN 5305-01-256-5801

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

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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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