Model: ST3M642A5M25-87

Pin-rivet

Special Features:

8-32unjc-3b thread size, 0.990 in. Length of threads along the longitudinal axis from the head end, 0.120 in. Slot length, 0.060 in. Slot width located 0.930 in. From top of head to center of slot, 0.369 in. Second shank diameter

Properties:

Thread Class
3a
Thread Direction
Right-hand
Fastener Length
Between 1.958 inches and 1.983 inches
Head Style
Flush countersunk
Shank Diameter
0.3826 inches
Shank Style
Pin-rivet, tapered, threaded
Head Major Diameter
0.552 inches
Tip Diameter
0.351 inches
Lubrication
Cetyl alcohol
Grip Length
Between 1.552 inches and 1.567 inches
Thready Qty Per Inch (tpi)
20
Thread Size
0.500 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
5320-01-004-6512
Part Number
ST3M642A5M25-87
Description
Pin-rivet
CAGE

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 ST3M642A5M25-87 NSN 5320-01-004-6512

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:
CRITL:
X

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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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