Model: 3M249A4-12

Pin-rivet

Properties:

Thread Class
3a
Thread Direction
Right-hand
Fastener Length
Between 1.190 inches and 1.210 inches
Head Style
Flush countersunk
Width Between Flats
Between 0.095 inches and 0.097 inches
Shank Diameter
Between 0.249 inches and 0.250 inches
Shank Style
Pin-rivet, straight, threaded
Head Major Diameter
Between 0.390 inches and 0.395 inches
Grip Length
0.775 inches
Min. Tensile Strength (psi)
160000 pounds per square inch
Thread Size
0.250 inches
Shear Strength
95000 single pounds per square inch
Countersink Angle
100.0 degrees
Material
Steel comp 4140 or steel comp 8740 or steel comp 4130
Material Specification
Mil-s-5626 military specification 1st material response or mil-s-6049 military specification 2nd material response or mil-s-6758 military specification 3rd material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response
Thread Series Designator
Unjf
NSN
5320-00-728-8481
Part Number
3M249A4-12
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 3M249A4-12 NSN 5320-00-728-8481

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
106510
UFC:
54760
LTL:
50.0
LCL:
50.0
WCC:
576
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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