Model: CH4K81L

Blind Rivet Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Head Style
Flat countersunk reverse keyed
Head Diameter
0.263 inches
Key Length
0.051 inches
Head Height
0.051 inches
Locking Feature
Prevailing torque all metal design
Nut Style
Blind rivet w/smooth round shank
Nut Diameter
Between 0.151 inches and 0.155 inches
Nut Length
Between 0.355 inches and 0.385 inches
Nut Grip Range
+0.050/+0.081 inches
Unable To Decode
+0.050 to 0.081 inches
Shank End Type
Open
Thread Series
Unc
Thready Qty Per Inch (tpi)
40
Thread Size
4.000 inches
Head Countersink Angle
Between 99.00 degrees and 101.00 degrees
Material
Steel comp 4037
Material Specification
Astm a547 assn standard single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 2, class 3 federal specification single treatment response
Specification Data
80205-nas1330 professional/industrial association standard
NSN
5310-00-625-8298
Part Number
CH4K81L
Description
Nut,self-locking,blind Rivet
CAGE
03481

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 CH4K81L NSN 5310-00-625-8298

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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:

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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