Model: PSN632-78FWS

Assembled Washer Screw

Special Features:

Washer shall be captive on screw, and free to turn.

Properties:

Thread Class
2a
Thread Direction
Right-hand
Fastener Length
Between 0.843 inches and 0.875 inches
Head Style
Pan
Head Diameter
Between 0.2560 inches and 0.2700 inches
Head Height
Between 0.0870 inches and 0.0970 inches
Washer Quantity
1
Internal Drive Style
Cross recess type 1
Thread Diameter
0.138 inches
Thready Qty Per Inch (tpi)
32
Primary Washer Outside Diameter
Between 0.370 inches and 0.390 inches
Primary Washer Style
Flat
Primary Washer Material Thickness
Between 0.036 inches and 0.065 inches
Material
Stainless steel
Material Specification
Qq-s-763 federal specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35, type vi or vii. Federal specification single treatment response
Thread Series Designator
Unc
NSN
5305-01-383-8928
Part Number
PSN632-78FWS
Description
Screw,assembled Washer
CAGE
1GP79

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

Part PSN632-78FWS NSN 5305-01-383-8928

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

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