Model: 855561

Assembled Washer Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.437 inches and 0.453 inches
Fastener Length
Between 0.531 inches and 0.562 inches
Head Style
Hexagon
Head Height
Between 0.140 inches and 0.156 inches
Width Between Flats
Between 0.328 inches and 0.344 inches
Washer Quantity
1
Internal Drive Style
Slot
Thread Diameter
0.216 inches
Thready Qty Per Inch (tpi)
28
Primary Washer Style
Split helical ring
Material
Steel comp 1020 or steel comp 1022 or steel comp 1025 or steel comp 1026 or steel comp 1021 or steel comp 1527 or steel comp 1023 or steel comp 1030
Material Specification
Qq-s-634 federal specification 1st material response or qq-s-633 federal specification 2nd material response or qq-s-631 federal specification 3rd material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416 type 2 cl 3 federal specification single treatment response
Thread Series Designator
Unf
NSN
5305-00-358-5376
Part Number
855561
Description
Screw,assembled Washer
CAGE
89749

A screw, (as modified) to which has been assembled one or more nonremovable washer(s).

Part 855561 NSN 5305-00-358-5376

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06660
FIIG:
A003B0
Concept No.:
App. Key:
SA
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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
50.0
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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