Model: ST3M350A4-31

Pin-rivet

Properties:

Thread Class
3a
Thread Direction
Right-hand
Fastener Length
Between 2.308 inches and 2.333 inches
Head Style
Flush countersunk
Shank Diameter
0.3275 inches
Head Major Diameter
0.465 inches
Tip Diameter
0.2903 inches
Lubrication
Cetyl alcohol
Grip Length
Between 1.927 inches and 1.942 inches
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
18000 pounds per square inch
Thread Size
0.250 inches
Shear Strength
108000 single pounds per square inch
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Material
Steel comp 8740 or steel comp e4340
Material Specification
Mil-s-6049 military specification 1st material response or mil-s-5000 military specification 2nd material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, class 2 federal specification single treatment response
Thread Series Designator
Unjf
NSN
5320-01-091-4603
Part Number
ST3M350A4-31
Description
Pin-rivet
CAGE
76301

A metallic or nonmetallic item, headed at one end, with a cylindrically shaped shank which may be tapered, grooved, or threaded. a locking collar or sleeve may be provided to perform the same holding action as the clinching portion of a conventional rivet. the shank may include an external wrenching facility which breaks off at a predetermined applied torque.

Part ST3M350A4-31 NSN 5320-01-091-4603

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
67165
FIIG:
A528U0
Concept No.:
App. Key:
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:
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:
M
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
106510
UFC:
54760
LTL:
50.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7318230000
  • SITC: 69422
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Rivets of iron or steel

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