Model: 6439554-1

Panel Fastener Screw

Properties:

Thread Class
3a
Thread Length
0.190 inches
Fastener Length
0.560 inches
Head Style
Flat fillister
Head Diameter
0.3075 inches
Head Height
Between 0.180 inches and 0.190 inches
Internal Drive Style
Hexagon
End Application
1920-01-298-7770
Thread Diameter
0.190 inches
Width Across Flats
0.157 inches
Thready Qty Per Inch (tpi)
32
Material
Steel
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35, type vii federal specification single treatment response
Thread Series Designator
Unrf
NSN
5305-01-465-8956
Part Number
6439554-1
Description
Screw,panel Fastener
CAGE
1JNU9

A headed, threaded fastening device with special square threads, which is designed to be attached to a panel by means of a retaining washer. The screw fastener is used in conjunction with a speed nut to facilitate fastening two items.

Part 6439554-1 NSN 5305-01-465-8956

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
19665
FIIG:
A003B0
Concept No.:
App. Key:
SJ
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:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
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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