Model: NAS1731-4-3

Blind Rivet Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Head Style
Serrated with pilot
Head Diameter
0.353 inches
Head Height
Between 0.020 inches and 0.030 inches
Locking Feature
Prevailing torque all metal design
Nut Style
Blind rivet w/smooth round shank
Nut Diameter
Between 0.325 inches and 0.327 inches
Nut Length
Between 0.377 inches and 0.407 inches
Nut Grip Range
+0.120/+0.160 inches
Shank End Type
Open
Tempurature Rating
450.0 degrees fahrenheit
Thread Series
Unjf
Thready Qty Per Inch (tpi)
28
Thread Size
0.250 inches
Material
Steel comp 304 or steel comp 305
Material Specification
Qq-s-763 federal specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Specification Data
80205-nas1731 professional/industrial association standard
NSN
5310-01-396-1786
Part Number
NAS1731-4-3
Description
Nut,self-locking,blind Rivet
CAGE
80205

A metallic headed fastener having internal threads for a portion of the full length. It may have a smooth, hexagon or splined shank with an open or closed end. It is designed to be expanded tightly against the material it is being installed in by means of a special tool. The item must have a specified grip range. The grip range is the thickness of the material the item is being installed in. An integral feature is incorporated for locking on the threads of a mating member.

Part NAS1731-4-3 NSN 5310-01-396-1786

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29724
FIIG:
A021A0
Concept No.:
1
App. Key:
BJ
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:
SX
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: 7318160000
  • SITC: 69421
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Nuts of iron or steel

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